HomeMy WebLinkAboutResolution - 4061 - Contract - Williams & Peters Construction Inc - 1993 Street Maintenance Program - 01_14_1993Resolution No. 4061
January 14, 1993
Item # 20
RESOLUTION
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
THAT the Mayor of the City of Lubbock BE and is hereby authorized and
directed to execute for and on behalf of the City of Lubbock a Contract by and
between the City of Lubbock and Williams & Peters Construction Company, Inc.
for the sealing and two -course asphalt surface on existing City of Lubbock
streets, attached herewith, which shall be spread upon the minutes of the
Council and as spread upon the minutes of this Council shall constitute and be
la part of this Resolution as if fully copied herein in detail.
Passed by the City Council this
ATTEST:
S�7_ 0-64e—
Sally Stil Abbe, Acting City
Secretary
APPROVED AS TO CONTENT:
�'t i 6 TL'--'$Inlv X - A 4 � �
ictor Kilftn, cting urc as ng
Manager
APPROVED AS TO FORM:
,-,jr., iria
aw:j:/WMS&Pxas.RES.
D2-Agenda/rev. January 7, 1993
i
LUBBOCK TEXAS
CITY OF LUBBOCK
SPECIFICATIONS
FOR
1993 STREET MAINTENANCE PROGRAM
BID NO. 12336
4�4 X.
Odra
CITY OF LUBBOCK, TEXAS
SPECIFICATIONS AND CONTRACT DOCUMENTS
FOR
1993 STREET MAINTENANCE PROGRAM
David Langston, Mayor
City Council
Maggie Trejo Max Ince
T.J. Patterson Randy Neugebauer
M.J. "Bud" Adderton Alex "Ty" Cook
Bob Cass, Interim City Manager
Jim Bertram, Assistant City Manager of Development Services
Larry Hoffman, Director of Transportation
Street Department
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F
r
INDEX
NOTICE TO BIDDERS
ADVERTISEMENTS FOR BIDS
GENERAL INSTRUCTION TO BIDDERS (SECTION 11
1. Scope of Work
2. Contract Documents
3. Plans For Use by Bidders
4. Time and Order for Completion
5. Payment
6. Affidavits of Bills Paid
7. Materials and Workmanship
8. Guarantees
9. Plans for the Contractor
10. Protection of the Work
11. Texas State Sales Tax
12. Protection of Subsurface Lines
and Structures
13. Barricades and Safety Measures
14. Explosives
15. Contractor's Representative
16. Insurance
17. Provisions Concerning Escalator Clauses
18. Preparation or Proposal
19. Bound Copy of Contract Documents
20. Working Flours
21. Subcontractor
LIST OF SUBCONTRACTORS
BID PROPOSAL
CONTRACT
PAYMENT BOND
PERFORMANCE BOND
CERTIFICATE OF INSURANCE
GENERAL CONDITIONS OF THE AGREEMENT
1. Owner
2. Contractor
3. Owner's Representative
4. Contract Documents
5. Interpretation of Phases
6. Subcontractor
7. Written Notice
8. Work
Page
I-4
I-4
I-5
I-5
I-5
I-6
I-6
I-7
I-7
I-8
(SECTION II)
9. Substantially Completed
10. Layout of Work
11. Keeping of Plans and
Specifications Accessible
12. Right of Entry
13. Lines and Grades
14. Owner's Representative's Authority
and Duty
15. Superintendence and Inspection
16. Contractor's Duty and Superintendence
17. Contractor's Understanding
18. Character of Workers
19. Construction Plant
20. Sanitation
21. Observation and Testing
22. Defects and Remedies
23. Changes and Alterations
24. Extra Work
25. Discrepancies and Omissions
26. Right of Owner to Modify Methods
and Equipment
27. Protection Against Accident to Employees
and the Public
28. Contractor's Insurance
29. Protection Against Claims of Subcontractors,
Laborers, Materialmen, Furnishers of
Machinery, equipment & Supplies
30. Protection Against Royalties
or Patent Invention
31. Laws and Ordinances
32. Assignment and Subletting
33. Time of Completion and Liquidated Damages
34. Time and Order of Completion
35. Extension of Time
36. Hindrance and Delays
37. Quantities and Measurements
38. Protection of Adjoining Property
39. Price for Work
40. Payments
41. Partial Payments
42. Final Completion and Acceptance
43. Final Payment
44. Correction of Work Before Final
Payment for Work
45. Correction of Work After Final Payment
46. Payment Withheld
47. Time of Filing Claims
48. Arbitration
49. Abandonment by Contractor
50. Abandonment by Owner
51. Bonds
52. Special Conditions
53. Losses from Natural Causes
54. Independent Contractor
II-3
II-3
II-3
II-3
II-4
II-10
II-11
LI-12,13
II-13
11-20
II-20
II-20
II-21
II-21
I1-22,23
II-24
II-25
II-25
II-25
II-26
6
55.
Cleaning
II-26
up
SPECIAL CONDITIONS (SECTION I I I )
1.
Changes in the Work
III-1
2.
Superintendence
III-1
3.
Prosecution of Work
III-2
4.
Barricades & Danger, Warning,
Detour Signs & Traffic Handling
III-3
5.
Maintenance of Detours
III-4
6.
Public Safety and Convenience
III-4
7.
Water
III-5
8.
Restrictions and Requirements
for Construction
III-5,6,7
l
`
9.
Removing Obstructions
III-8
10.
Test of Materials
III-8
11.
Subcontractor
III-9
12.
Underground Utilities
III-10
13.
Partial Payment
III-10
14.
15.
Correction of Work After Final Payment
Labor
III-10
III-11
Wage Rates
List of Street Improvements
r
IV)
t ;
MATERIALS
OF CONSTRUCTION (SECTION
l
1.
GENERAL (Concrete)
IV-1
2.
CONCRETE
IV-1
A. Cement
IV-1
B. Aggregate
IV-1
C. Water
IV-2
D. Concrete Materials Test
IV-2
E. Concrete Design
IV-3
F. Classification
IV-4
G. Mixing
H. Curing
IV-5
IV-5
3.
STEEL REINFORCING
IV-5
A. Wire Mesh
IV-5
B. Bar Reinforcing
IV-6
4.
JOINT MATERIAL
IV-6
A. Expansion Joint Materials
IV-6
B. Joint Sealing Material
IV-6
f
f
5.
FORMS
IV-6
6.
FLEXIBLE BASE (CALICHE)
IV-7
r`
A. Description
IV-7
B. Material
IV-7
7. ASPHALT STABILIZED BASE -PLANT MIX
(THD ITEM 292)
A. Description
B. Materials
C. Asphaltic Materials
8. MIXING PLANTS - EQUIPMENT
(BLACK BASE & HOT MIX)
A. Weigh Batch Type
B. Continuous Mixing Type
C. Drum Mix Plant
D. Asphaltic Material Heating Equipment
E. Spreading & Finishing Machine
F. Rollers
G. Stockpiles, Storage, Proportioning & Mixing
H. Construction Methods
I. Compacting
J. Surface Finish
K. Protection of the Work & Opening to Traffic
L. Surface Density Test
9. ASPHALTS
10. HOT MIX ASPHALTIC CONCRETE SURFACE
A. Aggregate
B. Asphaltic Material
C. Paving Mixtures
D. Laboratory Control
E. Tolerances
F. Extraction and Gradation Tests
11. SILO STORAGE
12. BARRICADES AND SIGNS
13. SEAL COAT AND TWO -COURSE MAINTENANCE`
A. General (Two -Course)
B. Asphalt
C. Asphalt Heaters
D. Aggregates for Seal and
Two -Course Purposes
DETAILS OF CONSTRUCTION (SECTION V)
1. CONCRETE
A. Curb and Gutter (Class A Concrete)
B. Reinforced Concrete 30" Separate
Gutter (Class E Concrete)
C. Reinforced Concrete Valley
Gutters (Class C & E Concrete)
D. Reinforced Valley Paving Slab
& Alley Returns (Class E Concrete)
E. Reinforced Concrete Median
Curb (Class A Concrete)
IV-7
IV-8
IV-8
IV-9
IV-10
IV-10-12
IV-13,14
IV-15,16
IV-17
IV-17
IV-18,19
IV-20-22
IV-23,24
IV-25
IV-26
IV-26
IV-26
IV-26
IV-27
IV-27,28
IV-29
IV-30
IV-31
IV-32
IV-33
IV-34
IV-34
IV-35
IV-35
IV-35
IV-35
IV-36 --
V-1
V-1-5
V-5
V-5
V-6-8
V-7
r
7
7
r
7
F. Reinforced Concrete Railroad
Crossing (Class F Concrete)
G. Reinforced Concrete Drainage
Slabs (Class A Concrete)
H. Concrete Pavement (Class C Concrete)
I. Concrete Mixing and Placing
2. EARTH WORK
A. Subgrade Preparation for curb and gutter,
streets,paving, (asphalt and concrete),
alley returns, alley paving, valley
gutters, and earth work.
B. Embankment
3. BASE COURSE
A. Hauling and Placing
B. Processing
C. Finishing
4. HOT MIX ASPHALTIC CONCRETE SURFACE
A. Description
Temperature Requirements
5. CLEANUP
6. PROTECTION OF EXISTING UTILITIES
A. Adjustments of Valves and Manholes
B. Installation, Adjustments, and
Protection of Utilities and
Traffic Installation
7. SALVAGING AND REPLACING BASE
A. Description
B. Construction Methods
8. SALVAGING AND STOCKPILING BASE MATERIAL
A. Description
B. Construction Methods
9. SEALING AND TWO -COURSE SURFACE TREATMEN
A. Preparation of Surface
B. Handling and Applying Asphalt
C. Rate of Application of Materials
D. Handling and Applying Aggregates
E. Handling & Applying Asphalt &
Aggregates for Night Work
F. Required Rolling (1 hour per 1000 S.Y.
of Surface Sealed)
G. Patching Ahead of Seal or Two -Course
Maintenance
H. Cleanup
SITE WORK METHODS AND PAYMENT (SECTION VI)
W"
V-10
V-10-22
V-22-30
V-30
V-30-33
V-33-36
V-36
V-37
V-37
V-38
V-39
V-39
V-39-45
V-45
V-46
V-46
V-46-48
V-49
V-49
V-49
V-50
V-50
V-50
V-50
V-50
V-50,51
V-52
V-52
V-53
V&t=
V-54
V-55
GENERAL
1,2 & 3 Asphalt Applied for Sealing
and Two -Course
4 & 5
Aggregate for Seal Coat & Two -Course
6
Patching with 3" of Black Base
7
Patching with 6" of Black Base
8
Patching with 9" of Black Base
9
Patching with 6" of 3-Sack
Stabilized Caliche
10
Patching with 1-1/2 inches of hot -mix
11
Curb and Gutter
12
Valley Gutter
13
4" Sidewalk and Driveway Adjustment
CONSTRUCTION DETAIL ILLUSTRATIONS
1. Trailer Mounted Sign
2. Type "A" Barricade
3. Panel Barricade
4. Construction Signs
5. Flagmen Detail
1
1
1
1
2
2
2
2
2
3
3
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7
NOTICE TO BIDDERS
BID # 12336
Sealed proposals addressed to Ron Shuffield, Buyer, City of
Lubbock, Texas, will be received at the office of the Purchasing
Manager, 1625 13th St., Room L-04, Lubbock, Texas, 79401, until
2:00 o'clock p.m. on the 16th day of December,__1992, or as
changed by the issuance of formal addenda to all planholders, to
furnish all labor and materials and perform all work for the
construction of the following described project:
1993 STREET MAINTENANCE PROGRAM
r
After the expiration of the time and date above first
written, said sealed proposals will be opened by the Buyer at his
office and publicly read aloud.
It is the sole responsibility of the bidder to insure that
his bid is actually in the office of Ron Shuffield, Buyer, for
r the City of Lubbock, prior to the expiration of the date above
first written.
The City of Lubbock will consider the bids on the 14th day
of January, 1993. at Municipal Bldg., Lubbock, Texas, or as soon
thereafter as may be reasonably convenient, subject to the right
to reject any or all bids and waive any formalities. The
r' successful bidder will be required to furnish a performance bond
and payment bond in accordance with Article 5160, Vernon's Ann.
Civil St., in the amount of 100% of the total contract price in
the event that said contract price exceeds $25,000.00. Said
statutory bonds should be issued by a company carrying a current
Best Rating of P or superior, as the rating of the bond company
is a factor that will be considered in determination of the
lowest responsible bidder. If the contract price does not exceed
$25,000.00 the said statutory bonds will not be required.
Bidders are required, whether or not a payment or
performance bond is required, to submit a cashier's or certified
check issued by a bank satisfactory to the City of Lubbock, or a
proposal bond from a reliable surety company, -payable without
recourse to the order of the City of Lubbock in an amount not
less than 5% of the total amount of the bid submitted as a
guarantee that bidder will enter into a contract and execute all
necessary bonds (if required) within 10 days after notice of
award of the contract to him.
It shall be each bidders sole responsibility to inspect the
site of the work and to inform himself regarding all local
conditions under which the work is to be done. It shall be
understood and agreed that all such factors have been thoroughly
investigated and considered in the preparation of the bid
submitted.
The plans, specifications, proposal forms and contract
documents may be examined at the office of the Purchasing Manager
for the City of Lubbock, Texas.
Attention of each bidder is particularly called to the
schedule of general prevailing rate of per diem wages included in
the contract documents on file in the office of the Purchasing
Manager of the City of Lubbock, which document is specifically
referred to in this notice to bidders. Each bidder's attention
is further directed to provision of Article 5159a, Vernon's Ann.
Civil St., and the requirements contained therein concerning the
above wage scale and payment by the contractor of the prevailing
rates of wages as heretofore established by owner in said wage
scale.
The City of Lubbock hereby notifies all bidders that in
regard to any contract entered into pursuant to this
advertisement, minority and women business enterprises will be
afforded equal opportunities to submit bids in response to this
invitation and will not be discriminated against on the grounds
of race, color, sex, disability, or national origin in
consideration for an award.
.There will be a pre -bid conference on 3rd day of December.
1992, at 10:00 o'clock a.m., Committee Conference Room #103,
Municipal Building, 1625 13th Street.
CITY OF LUBBOCK
BUYER
BID # 12336
Sealed proposals addressed to Ron Shuffield, Buyer, City of
Lubbock, Texas, will be received at the office of the Purchasing
Manager, Municipal Building, 1625 13th Street, Room L-04,
Lubbock, Texas, 79401 until 2:00 o'clock p.m. on the 16tb day of
December, 1992, or as changed by the issuance of formal addenda
to all planholders, to furnish all labor and materials and
perform all work for the construction of the following described
project:
1993 STREET MAINTENANCE PROGRAM
After the expiration of the time and date above first
written, said sealed proposals will be opened by Ron Shuffield,
Buyer at his office and publicly read aloud.
The plans, specifications, proposal forms and contract
documents may be examined at the office of the Purchasing Manager
for the City of Lubbock, Texas.
Attention of each bidder is particularly called to the
Schedule of General Prevailing Rate of Per Diem Wages included in
the contract documents on file in the office of the Purchasing
Manager of the City of Lubbock, Texas. Each bidder's attention
is further directed to the provisions of Article 5159a, Vernon's
Ann. Civil St., and the requirements contained therein concerning
such wage scales and payment by the contractor of the prevailing
rates of wages as heretofore established by the City of Lubbock.
The City of Lubbock hereby notifies all bidders that in
regard to any contract entered into pursuant to this
k advertisement, minority and women business enterprises will be
` afforded equal opportunities to submit bids in response to this
invitation and will not be discriminated against on the grounds
of race, color, sex, disability, or national origin in
consideration for an award.
There will be a prebid conference on 3rd day of December,
1992, at 10:00 o'clock a.m., Committee Conference Room 103,
Municipal Building, 1625 13th Street.
i
BY: Ron Wffield
BUYER
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GENERAL INSTRUCTIONS TO BIDDERS
GENERAL INSTRUCTION TO BIDDERS
1. SCOPE OF WORK
The work to be done under the contract documents shall
consist of the following: sealing and two -course maintenance
and patching.
The Contractor shall furnish all labor, superintendence,
machinery, equipment and all materials necessary to complete
this project in accordance with contract documents.
2. CONTRACT DOCUMENTS
All work covered by this contract shall be done in accordance
with contract documents described in the General Conditions.
All bidders shall be thoroughly familiar with all of the
requirements set forth on the contract documents for the
construction of this project and shall be responsible for the
satisfactory completion of all work contemplated by said
contract documents.
3. PLANS FOR USE BY BIDDERS
It is the intent of the City of Lubbock that all parties with
an interest in submitting a bid on the project covered by the
contract documents be given a reasonable opportunity to
examine the documents and prepare a bid without charge or
forfeiture of deposit. The contract documents may be examined
without charge as noted in the Notice to Bidders.
4. TIME AND ORDER FOR COMPLETION
The construction covered by the contract documents shall be
fully completed within the time schedule described below, and
as set forth in the Bid Proposal - Bid for Unit Price.
(A) The patching, with locations and materials as
designated by the City's representative, may
begin as soon as the Contractor receives the
Notice to Proceed.
(B) The sealing and two -course application shall
not begin until June 1, 1993, and shall be
completed by September 1, 1993. All sealing and
two -course application shall cease on
September 1, 1993. All remaining streets or
designated areas not completed shall be
carried -over and completed after June 1, 1994,
at the original bid price. The Contractor shall
I-1
pay to the owner $200.00 per day for each calendar
day after September 1, 1993, until acceptance of the
project as liquidated damages. No credit will be
given for bad weather days or other delays occuring
before September 1, 1993. Any additional base
failures, those in addition to the areas originally
marked and measured by the Owners's Representative,
that appear after September 1, 1993, and before the
sealing and two -course is applied in 1994, shall be
the responsibility of the Contractor. The Contractor
shall make a prompt and diligent effort to repair
these failures, and shall bear all expense related to
the repair of these additional failures. The
Contractor shall submit, within two weeks after
the award of the contract, a progress schedule of
the work contemplated by the contract documents.
In the event it is determined by the City that
the progress of the work is not in accordance
with the progress schedule so submitted, the City
may direct the Contractor to take such action as the
City deems necessary to insure completion of the
project within the time specified.
r 5. PAYMENT
" All payments due to Contractor shall be made in accordance
with the provisions of the General Conditions of the contract
documents.
F
6. AFFIDAVITS OF BILLS PAID
The City of Lubbock, prior to final acceptance of this
project, requires the Contractor to execute an affidavit that
all bills for labor, materials and incidentals incurred in
the construction of the improvements contemplated by the
contract documents have been paid in full and that there are
no claims pending, of which the Contractor has been notified.
7. MATERIALS AND WORKMANSHIP
The intent of these contract documents is that only materials
and workmanship of the best quality and grade will be
furnished. The fact that the specifications may fail to be
sufficiently complete in some detail will -not relieve the
Contractor of full responsibility for providing materials of
high quality and for protecting them adequately until
incorporated into the project. The presence or absence of a
representative of the City on the construction site will not
relieve the Contractor of full responsibility"of complying
with this provision. The specifications for materials and
methods set forth in the contract documents provide minimum
I-2
standards of quality which the Owner believes necessary to
procure a satisfactory project. The City of Lubbock
laboratory test results shall be the sole consideration for
approval of materials, mix designs, adequacy of procedures,
etc.. The results of such testing shall be evaluated and
final approval given by the City Engineer.
8. GUARANTEES
All equipment and materials incorporated in the project and
all construction shall be guaranteed against defective
materials and workmanship. Prior to final acceptance, the
Contractor shall furnish to the Owner, a written general —
guarantee which shall provide that the Contractor shall
remedy any defects in the work, and pay for any and all
damages of any nature whatsoever resulting in such defects,
when such defects appear within one year from date of final
acceptance of the work as a result of defective materials or
workmanship, at no cost to the Owner (City of Lubbock).
9. PLANS FOR THE CONTRACTOR
The Contractor will be furnished five (5) sets of drawings, --
specifications, and related contract documents for his use
during construction. Plans and specifications for use during
construction will only be furnished directly to the
Contractor. The Contractor shall then distribute copies of
plans and specifications to suppliers, subcontractors, or
others, as required for proper prosecution of the work
contemplated by the Contractor.
10. PROTECTION OF THE WORK
The Contractor shall be responsible for the care,
preservation, conservation, and protection of all materials,
supplies, machinery, equipment, tools, apparatus,
accessories, facilities, and all means of construction, and
any and all parts of the work, whether the Contractor has
been paid, partially paid, or not paid for such work, until
the date the City issues its certificate of completion to the
Contractor. The City reserves the right, after the bids have
been opened and before the contract has been awarded, to
require a bidder the following information:
(A) The experience record of the bidder showing
completed jobs of a similar nature to the one
covered by the proposed contract and all work
in progress with bond amounts and percentage
completed.
I-3
(C) Equipment schedule.
11. TEXAS STATE SALES TAX
This contract is issued by an organization which qualifies
for exemption provisions pursuant to provisions of Article
20.04 of the Texas Limited Sales, Excise and Use Tax Act.
The Contractor must -obtain a limited sales, excise and use
tax permit which shall enable him to buy the materials to be
incorporated into the work without paying the tax at the time
of purchase.
12. PROTECTION OF SUBSURFACE LINES AND STRUCTURES
It shall be the Contractor's responsibility to prosecute the
work contemplated by the contract documents in such a way as
to exercise due care to locate and prevent damage to all
underground pipelines, utility lines, conduits or other
E underground structures which might or could be damaged by the
Contractor during the construction of the project
�^- contemplated by these contract documents. The City of Lubbock
agrees that it will furnish the Contractor, upon request, the
location of all such underground lines and utilities of which
it has knowledge. However, such fact shall not relieve the
Contractor of his responsibilities aforementioned. All such
underground lines or structures cut or damaged by the
Contractor during the prosecution of the work contemplated by
this contract shall be repaired immediately by the Contractor
to the satisfaction of the City of Lubbock, Texas, at the
Contractor's expense.
13. BARRICADES AND SAFETY MEASURES
4
The Contractor shall, at his own expense, furnish and erect
such barricades, fences, lights, and danger signals, and
shall take such other precautionary measures for the
protection of persons, property and the work as may be
necessary.
The Contractor will be held responsible for all damage to the
work due to failure of barricades, signs, -and lights to
protect it, and when damage is incurred, the damaged portion
shall be immediately removed and replaced by the Contractor
at his own expense. The Contractor's responsibility for
maintenance of barricades, signs, and lights shall not cease
until the date of issuance to the Contractor of City's
certificate of acceptance of the project.
I-4
F
14. EXPLOSIVES
The use of explosives will not be permitted unless written
permission to do so is obtained by the Contractor from the
City. In all cases where written permission is obtained for
the use of explosives, the Contractor shall assume full
responsibility for all damage which may occur as a direct or
indirect result of the blasting. In addition in all cases
where explosives are authorized to be used, the Contractor
shall use utmost care so as not to endanger life or property
and the Contractor shall further use only such methods as are
currently utilized by persons, firms, or corporations engaged
in similar type of construction activity. Explosive materials
shall not be stored or kept at the construction site by the
Contractor.
In all cases where explosives are to be used during the
construction of the project contemplated by this contract, it
shall be the duty of the Contractor to notify each utility
company having structures (above or below the ground) in
proximity to the site of the work of the Contractor's
intention to use explosives, and such notice shall be given
sufficiently in advance to enable the companies to take such
steps as they may deem necessary to protect their property
from injury. Such notice however, shall not relieve the
Contractor of responsibility for any damage resulting from
his blasting operation.
15. CONTRACTOR'S REPRESENTATIVE
The successful bidder shall be required to have a responsible
local representative available at all times while the work is
in progress under this contract. The successful bidder shall
be required to furnish the name, address and telephone number
where such local representative may be reached during the
time that the work contemplated by this contract is in
progress
16. INSURANCE
The Contractor shall not commence work under this contract
until he has obtained all insurance as required in the
General Conditions of the contract documents, from an
underwriter authorized to do business in the State of Texas
and satisfactory to the City. Proof of coverage shall be
furnished to the City and written notice of cancellation or
any material change will be provided ten (10) days in advance -
of cancellation or change. All policies shall contain an
agreement on the part of the insurer waiving the rights to
subrogation.
I-5
E
The insurance certificates furnished shall name the City as
an additional insured and shall further state that all
subcontractors are named as additional insured, or in the
alternative shall be accompanied by a statement from the
p Contractor to the effect that no work on this particular
project shall be subcontracted.
17. PROVISIONS CONCERNING ESCALATOR CLAUSES
F
Proposals submitted containing any conditions which provide
for changes in the stated bid price due to increases or
decreases in the cost of materials, labor or other items
required for the project will be rejected and returned to the
bidder without being considered.
18. PREPARATION OF PROPOSAL
The bidder shall submit his proposal on forms furnished by
the City. All blank spaces in the form shall be correctly
filled in and the bidder shall state the price both in words
and numerals, for which he proposes to do the work
contemplated or furnish the materials required. Such prices
shall be written in ink, distinctly and legibly, or
typewritten. In case of discrepancy between the price written
in words and the price written in figures, the price written
in words shall govern. If the proposal is submitted by an
individual, his name must be signed by him or his duly
authorized agent. If a proposal is submitted by a firm,
association, or partnership, the name and address of each
member must be given and the proposal signed by a member of
the firm, association or partnership, or person duly
authorized. If the proposal is submitted by a company or
corporation, the company or corporate name and business
address must be given, and the proposal signed by an official
or duly authorized agent. Powers of attorney authorizing
agents or others to sign proposals must be properly certified
and must be in writing and submitted with the proposal. The
proposal shall be executed in ink.
Each proposal shall be enclosed in a sealed envelope,
addressed as specified in the Notice to Bidders, and endorsed
on the outside of the envelope in the following manner:
(A) Bidder's name.
(B) Proposal for (description of the project).
Bid proposals may be withdrawn and resubmitted at any time
prior to the time set for opening of the bids, but no
proposal may be withdrawn or altered thereafter.
I-6
19. BOUND COPY OF CONTRACT DOCUMENTS
Bidder understands and agrees that the contract to be
executed by bidder shall be bound and include the following: _
(A) Notice to Bidders.
(B) General Instructions to Bidders.
(C) Bidder's Proposal and List of Subcontractors.
(D) Statutory Bond (if required).
(E) Contract Agreement.
(F) General` Conditions.
(G)Special Conditions (if any).
(H) Specifications.
(I) Insurance Certificates.
(J) All other documents made available to bidder
for his inspection in accordance with the
Notice to Bidders.
If plans and Specification are too bulky or cumbersome to be
physically bound, they are to be considered incorporated by'
reference into the aforementioned contract documents.
20. WORKING HOURS
Construction work under this contract requiring an inspector
will not be performed on weekends or holidays unless the
following conditions exist:
(1) The project being constructed is essential to
the City of Lubbock's ability to provide the
necessary service to its citizens.
(2) Delays in construction are due to factors
outside the control of the Contractor. The
Contractor is approaching the penalty
provisions of the contract and the Contractor ^
can show he has made a diligent effort to
complete the contract within the allotted
time.
Before construction work requiring an inspector
is to be performed on weekends or holidays the
;Contractor must notify the Owner's
Representative not less than three full working
days prior to the weekend or holiday he desires
to do the work and obtain written permission
from the Owner's Representative to do such
work. The final decision on whether to allow
construction work requiring an inspector on
weekends or holidays will be made by the
Owner's Representative.
1-7
F1,
rr
BIA
n
r-
pA
e
P
In any event, if a condition should occur or
arise at the site of this project or from the
work being done under this contract which is
hazardous or dangerous to property or life, the
Contractor shall immediately commence work
regardless of the day of the week or the time
of the day, to correct or alleviate such
condition so that it is no longer dangerous to
property or life.
No work will be allowed from November 1st
through January 2nd unless approved by the
Engineer.
21. SUBCONTRACTOR
The Contractor may utilize the services of specialty
subcontractors on those parts of the work which, under normal
contracting practices, are performed by specialty
subcontractors.
The Contractor shall not award any work to any subcontractor
without prior written approval of the Owner, which approval
will not be given until the Contractor submits to the owner a
written statement concerning the proposed award to the
subcontractor, which statement shall contain such information
as the Owner may require.
The Contractor shall be as fully responsible to the owner for
the acts and omissions of his subcontractors, and of persons
either directly or indirectly employed by them, as he is for
the acts and omissions of persons directly employed by him.
The Contractor shall cause appropriate provisions to be
inserted in all subcontracts relative to the work to bind
subcontractors to the Contractor by the terms of the General
Conditions and other contract documents insofar as applicable
to the work of subcontractors and to give the Contractor the
same power as regards terminating any subcontract that the
Owner may exercise over the Contractor under any provision of
the contract documents.
Nothing contained in this contract shall create any
contractual relation between any subcontractor and the Owner
and said subcontractor will look exclusively to the
Contractor for any payments due the subcontractor.
The Contractor is required to list the subcontractors to be`
utilized on the work on the forms included in these
documents. This form shall be completed and submitted with
the Bidder*s Proposal.
I-8
LIST OF SUBCONTRACTORS
This form is to be completed and submitted with the Bidder's
Proposal.
i • }{ u� C ITV f AVEP.S
a.
3. -
4.
5.
6.
7.
8.
9.
10.
104,
[_._._ L-- L- [___, L- I-- L- L- L_ L- L- i®' L._.._ C-_.., L t - t- -. t --- L__..
THIS PAGE LEFT BLANK INTENTIONALLY
BID PROPOSALS
BID FOR UNIT PRICE
PLACE: 7�_
DATE:
PROJEC NO:
Proposal of WIL41fitxi f ftlgA
(hereinafter called "Bidder
To the Honorable Mayor and City Council
City of Lubbock, Texas (hereinafter called Owner)
Gentlemen:
The Bidder, in compliance with your invitation for bids for the sealing
and two -course asphalt surface on existing streets, having carefully
examined the plans, specifications, instructions to bidders, notice to
bidders and all other related contract documents and the site of the
proposed work, and being familiar with all of the conditions surrounding
the construction of the proposed work, and being familiar with all of
the conditions surrounding the construction of the proposed project
including the availability of materials and labor, hereby proposes to
furnish all labor, materials, and supplies; and to construct the project
in accordance with the plans, specifications and contract documents,
within the time set forth therein and at the prices stated in Exhibit
The bidder binds himself on acceptance of his proposal to execute a
contract and any required bonds, according to the accompanying forms,
for performing and completing the said work within the time stated and
for the prices stated in Exhibit "A" on this proposal.
After the contract is awarded, the bidder will furnish the Street
Superintendent, within two weeks, a list of the above units as to the
starting and completion date on each unit listed in the contract. The
Superintendent will set certain priorities on the order of the streets
to be reconstructed.
Bidder hereby agrees to commence the work on the above project on or
before a date to be specified in a written "Notice to Proceed" of the
Owner and to fully complete the sealing and two -course asphalt surface,.; t�
between June 1, 1993 and September 1, 1993.
The Bidder further agrees that all two -course application shall 'tease on
September 1, 1993; and that all remaining streets or designated:areas. "
not completed shall be carried -over and completed after June 1,`,1994,-at`
the original bid price. ` `
The Bidder also agrees to pay the Owner as liquidated damages, the sumr .
of $200.00 (two -hundred dollars) for each consecutive calendar day
starting on September 2, 1993, and ending on the day of acceptance of
the project by the City Council. Bidder hereby certifies that he is
aware of and agrees to no credit being given on the liquidated damages
for bad weather days, materials supply difficulties or other delays
occurring before September 1, 1993. Any additional base failures, those
in addition to the areas originally marked and measured by the Owner's
Representative, that appear after September 1, 1993, and before the
sealing and two -course is applied in 1994, shall be the responsibility
of the Contractor. The Contractor shall make a prompt and diligent
effort to repair these failures, and shall bear all expenses related to
the repair of these additional failures.
Bidder understands and agrees that this bid proposal shall be completed
and submitted in accordance with instruction number 20 of the General
Instructions to Bidders.
Bidder understands that the Owner reserves the right to reject any or
all bids and to waive any formality in the bidding.
The undersigned Bidder hereby declares that he has visited the site of
the work and has carefully examined the plans, specifications, and
contract documents pertaining to the work covered by this bid, and he
further agrees to commence work on or before the date specified in the
written notice to proceed, and to substantially complete the work on
which he has bid; as provided in the contract documents.
Enclosed with this proposal is a Cashier's Check or Certified Check
for
Dollars ($ ) or a Proposal Bond
in the sum of 5
Dollars ($ ), which it is
agreed shall be collected and retained by the Owner as liquidated'
damages in the event the proposal is accepted by the Owner and the
undersigned fails to execute the necessary contract documents and the
required bond (if any) with the Owner within ten (10) days after the
date of receipt of written notification of acceptance of said proposal;
otherwise said check or bond shall be returned to the undersigned upon
demand.
Bidder understands and agrees that the contract to be executed by Bidder
shall be bound and include all contract documents made available to him
for his inspection in accordance with the Notice to Bidders.
WIu.IArns � Pees e-W5 2acnCD. JWC.
Contractor
BY: /
�RE51 MFA) T
' i(Seal if Bidder is a Corporation)
ATTEST:
cret y
EXHIBIT A, PAGE 1
BID PROPOSAL
BID OF UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price Amount
-------------------------------------------------------------------------------------
1.
(a) 209,674.0 GALS. AC-5 polymerized asphalt +3% latex by
volume (2% by weight); for course #1,
MATERIALS ONLY; per gallon;
DOLLARS ($ )
==Z=T �, 1. CENTS
(b) 209,674.0 GALS. Application of Item 1(a), including all items
such as labor, equipment, preparation of
existing surface, etc.; per gallon;
DOLLARS ($ Q. O )
CENTS
(c) 209,674.0 GALS. Total in -place cost for Items 1(a) and 1(b);
per gallon;
DOLLARS ($ )
CENTS
2.
(a) 265,589.0 GALS. AC-5 polymerized asphalt +3% latex by volume
(2% by weight); for course #2, MATERIALS
ONLY; per gallon;
F(b) 265,589.0 GALS.
r_
11
�t DOLLARS ( f� • �. s )
CENTS
Application of Item 2(a), including all items
such as labor, equipment, preparation of
of existing surface, etc.; per gallon;
DOLLARS ($ 5 Q )
CENTS
EXHIBIT A, PAGE 2
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price Amount
---------------------------------------------------------------------------------------
(c) 265,589.0 GALS. Total in -place cost for Items 2(a) and 2(b);
per gallon;
DOLLARS ($ /. / S '
CENTS o !
3.
(a) 36,531.0 GALS. AC-5 polymerized asphalt +3% latex by volume
(2% by weight); for Single Course, MATERIALS
ONLY; per gallon;
DOLLARS ($
4 _5? CENTS
(b) 36,531.0 GALS. Application Item 3(a), including all items such
as labor, equipment, preparation of existing
surface; per gallon;
-::�2z-e— DOLLARS ($ S—d )
CENTS
(c) 36,531.0 GALS. Total in -place cost for Items 3(a) and 3(b);
per gallon;
DOLLARS ($J. _)
CENTS $1sL�
4.
(a) 9,580.0 C.Y. Surface aggregate (THD P.B. Grade No. 4
pre -coated crushed gravel, with a minimum of
90•/ crushed faces and meeting soundness tests,
or, precoated crushed stone meeting sliver count
and soundness tests) including loading and
freight at stockpiles in the City of Lubbock,
MATERIALS ONLY; per cubic yard;
DOLLARS ($ e a )
--yam.— CENTS
� y 4
D. w-
EXHIBIT A, PAGE 3
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities
Total
No. & Units
Description of Item & Unit Price
Amount
---------------------------------------------------------------------------------------
(b) 9,580.0 C.Y.
Application of Item No. 4(a), including all items such
as labor, equipment, unloading, brooming, blading, and
rolling (one hour per 1000 square yards); per cubic yard;
' DOLLARS ($ f1, o o )
CENTS
(c) 9,580.0 C.Y.
Total in -place cost for Items 4(a) and 4(b);
per cubic yard;
DOLLARS (E
��''--- CENTS
E a - .
5.
(a) 11,802.0 C.Y.
Surface aggregate (THD P.B. Grade No. 2
pre -coated crushed gravel, with a minimum of
90% crushed faces and meeting soundness tests,
or, precoated crushed stone meeting sliver count
nt
and soundness tests) including loading and
freight at stockpiles in the City of Lubbock,
MATERIALS ONLY; per cubic yard;
OLLARS
✓?��--- CENTS
(b) 11,802.0 C.Y.
Application of Item No. 5(a), including all items such
as labor, equipment, unloading, brooming, blading, and
rolling (one hour per 1000 square yards); per cubic yard;
�zr-- DOLLARS (s . c 3 }
-ram- CENTS
..�
(c) 11,802.0 C.Y.
Total in -place cost for Items 5(a) and 5(b);
per cubic yard;
— '7 DOLLARS (S_)
CENTS
EXHIBIT A, PAGE 4
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price Amount
---------------------------------------------------------------------------------------
6.
(a) 3,000.O S.Y. Patching with Black Base, 3" depth (excavation of
4 1/2", with replacement of 3" black base and
1 1/2" Type "C" Hot Mix); MATERIALS ONLY; per
square yard;
!7==L,,_ , DOLLARS ($ 1 a o d )
CENTS
(b) 3,000.0 S.Y. Installation of Item 6(a), including all items such
as labor, equipment, removal and disposal of asphalt
surface, caliche base, and subgrade (if soft or unstable)
to a depth of 4 1/2" and replacing with 3" of black base
and 1 1/2" of Type "C" Hot Mix; per square yard;
(c)
.:zt.".'- DOLLARS ($ 1 :2 . t% e)
CENTS
3,000.0 S.Y. Total in -place cost for Items 6(a) and 6(b);
per square yard;
•�— DOLLARS ($ o O )
�?-u�.--- CENTS
12,000.0 S.Y. Patching with Black Base, 6" depth (excavation of
7 1/2", with replacement of 6" black base and
1 1/2" Type "C" Hot Mix); MATERIALS ONLY; per square yard;
DOLLARS ($�2_4 )
--�„ CENTS
(b) 12,000.0 S.Y. Installation of Item 1(a), including all items such
as labor, equipment,removal and disposal of asphalt
surface, caliche base, and subgrade (if soft or unstable)
to a depth of 1 1/2" and replacing with 6" of black base
and 1 1/2" Type "C" Hot Mix; per square yard;
DOLLARS ($ 12. T a )
CENTS
n
EXHIBIT A, PAGE 5
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price Amount
---------------------------------------------------------------------------------------
(c) 12,000.0 S.Y. Total in -place cost for Items 7(a) and 7(b);
per square yard;
DOLLARS ($
CENTS
8.
(a) 1,000.0 S.Y. Patching with Black Base, 9" depth (excavation of
10 1/2", with replacement of 9" black base and
1 1/2" Type "C" Hot Mix), MATERIALS ONLY;
per square yard;
�i 1!__ ram.--__-1 DOLLARS ($
f,.. CENTS
(b) 1,000.0 S.Y. Installation of Item 8(a), including all items such
as labor, equipment, removal and disposal of asphalt
surface, caliche base, and subgrade (if soft or unstable)
to a depth of 10 1/2" and replacing with 9" of black base
and 1'1/2" of Type "C" Hot Mix; per square yard;
DOLLARS (S '"o )
CENTS
(c) 1,000.0 S.Y. Total in -place cost for Items 8(a) and 8(b);
per square yard;
9.
(a) 500.0 S.Y.
i
r
r
L:
4_
L
DOLLARS ($ s b
CENTS
Patching with 3 sack cement stabilized caliche,
6" depth, (excavation of 7 1/2", with replacement
of 6" of 3 sack cement stabilized caliche and 1 1/2"
Type "C" Hot Mix); MATERIALS ONLY; per square yard;
a ," DOLLARS (E r )
Z •-�"—�` CENTS
o.c
EXHIBIT A, PAGE 6
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units , Description of Item & Unit Price Amount
---------------------------------------------------------------------------------------
(b) 500.0 S.Y. Installation of Item 9(a), including all items such
as labor, equipment, removal and disposal of asphalt
surface, caliche base, and subgrade (if soft or unstable)
to a depth of 7 1/2" and replacing with 6" of 3 sack
cement stabilized base and 1 1/2" Type "C" Hot Mix;
per square yard;
DOLLARS
CENTS
(c) 500.0 S.Y. Total in -place cost for Items 9(a) and 9(b);
per square yard;
DOLLARS ($ p p )
r
..__ CENTS $ o u e . ' �)
10.
(a) 7,000.0 S.Y. Patching with 1 1/2" Type "C" A. C. pavement i
with approved crushed stone or approved crushed !
gravel, MATERIALS ONLY; per square yard;
DOLLARS ($ . -a )
CENTS -
i
(b) 7,000.0 S.Y. Installation of Item 10(a), including all items such
as labor, equipment, removal and disposal of existing
surface (if applicable), including prime and tack coat; -
per square yard;
DOLLARS ($ c+ ) -
��-- CENTS
(c) 7,000.O S.Y. Total in -place cost for Items 10(a) and 10(b);
per square yard;
DOLLARS ($ — ) -
`11Z -G�_� CENTS�-
Ff
EXHIBIT A, PAGE-7
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price Amount
---------------------------------------------------------------------------------------
11.
(a) 400.0 L.F. Curb and Gutter: 6" concrete, Class E (3,000 psi @
7 days), 30" wide separate gutter or sawtooth curb
and gutter; MATERIALS ONLY; per linear foot;
&-c'� DOLLARS ($ U. e )
CENTS
(b) 400.0 L.F. Installation of Item 11(a), including all items such
as labor, equipment, removal and disposal of existing
C & G, subgrade.preparation, complete in place,
with location as directed by the Engineer;
per linear foot;
&'Z�-� DOLLARS ($�)
CENTS
(c) 400.0 L.F. Total in -place cost for Items 11(a) and 11(b);
per linear foot;
DOLLARS (5�. 1 a )
CENTS
12.
(a) 1,500.0 S.Y. Valley Gutter: 8" reinforced Class C concrete
(3,600 psi/28 days)(6x6-6/6 wire reinforcement);
MATERIALS ONLY; per square yard;
__ I,"' . T , DOLLARS ($
�-��- CENTS
(b) 1,500.0 S.Y. Installation of Item 12(b), including all items such
as labor, equipment, removal and disposal of existing
valley gutter, subgrade preparation, complete in
place with location as directed by the Engineer;
per square yard;
DOLLARS ($1�+r )
CENTS
EXHIBIT A, PAGE 8
BID PROPOSAL
BID FOR UNIT PRICE CONTRACTS
1993 Maintenance Program
Item Quantities Total
No. & Units Description of Item & Unit Price- Amount
---------------------------------------------------------------------------------------
(c) 1,500.0 S.Y. Total in -place cost for Items 12(a) and 12(b);
per square yard;
DOLLARS ($ a 14,
o )
���-- CENTS $n�or
i
13.
(a) 500.0 S.Y. 4" Class A Concrete sidewalk and driveway adjustment r
(3,000 psi/28 days), reinforced with 6x6 6/6 wire;
MATERIALS ONLY; per square yard;
DOLLARS ($ / a.
CENTS
(b) 500.0 S.Y. Installation of Item 13(a), including all items such
as labor, equipment, removal and disposal of existing
sidewalk and/or driveway, subgrade preparation, complete
in place with location as directed by the Engineer;
per square yard;
DOLLARS ($ / 4.)
CENTS
(c) 500.0 S.Y. Total in -place cost for Items 13(a) and 13(b);
per square yard;
DOLLARS
�1�Q-- CENTS S�ea-
EXHIBIT A, PAGE 9
BID PROPOSAL
BID OF UNIT PRICE CONTRACTS
1993 Maintenance Program
Total for Items
1(a)
through
13(a) MATERIALS ONLY
$. qo
Total for Items
1(b)
through
13(b) LABOR, EQUIPMENT, ETC.
$ —o o
Total for Items
1(c)
through
13(c)
$
TITLE: �QES I'1�F- I) -E
THIS PAGE LEFT BLANK INTENTIONALLY
MR
FIDELITY AND GUARANTY 0 NCE UNDERWRITERS, INC.
SM
(A Stock Company)
BID BOND
BOND NUMBER ......................................
KNOW ALL MEN BY THESE PRESENTS:
THAT ..Williams & Peters Construction Co., Inc.
....................................................................................................
...
X J3
.......................................................... Of ..... 7.94.5
......................................................................... . as Principal, and the other undersigned,
.................................................... as Surety, are held and firmly bound unto. ck
.............. .........................................................................................................
as Obligee, in the full and just sum of...... T..of Amount Bid
.........................................................
.................................................. ............................................................ Dollars,
lawful money of the United States, for the payment of which sum, well and truly to be made, we bind ourselves,
our heirs, executors, administrators, successors and assigns, jointly and severally, firmly by these presents.
WHEREAS, the said Principal is herewith submitting its proposal
1993 Street Maintenance Program
THE CONDITION OF THIS OBLIGATION is such that if the aforesaid Principal shall be awarded the
w:
contract the said Principal will, within the time required, enter into a formal contract and give a good and
sufficient bond to secure the performance of the terms and conditions of the contract, then this obligation to
be void; otherwise the Principal and Surety will pay unto the Obligee the difference in money between the
amount of the bid of the said Principal and the amount for which the Obligee legally contracts with another
party to perform the work if the latter amount be in excess of the former, but in no event shall liability hereunder
exceed the penal sum hereof.
Signed, sealed and delivered .12-16-92
...................
(Date)
...................................................... (SEAL)
•
................................................. (SEAL)
y
FIDELITY AND GUAR i INSURANCE UNDERWRITERS, INC.N
O
................................................... o Corporation)
....................................................
. • Tim Sampson Attorney -in -fact
Contract 500 (9-84)
t
t:
CERTIFIED COPY
t:
GENERAL POWER OF ATTORNEY
r NO. FG 116
KNOW ALL MEN BY THESE PRESENTS:
That FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC., a corporation organized and existing
� g g
under the laws of the State of Ohio, and having its principal office at 100 Light Street, Baltimore, Maryland 21203, does
r hereby constitute and appoint Evelyn Warwick and Tim Sampson
4
'.- of the City of Lubbock , State of Texas
its true and lawful Attome}sin-Fact, with power and authority to sign its name as surety to, and to execute, seal, acknowledge
and deliver any and all bonds, undertakings, recognizances or other written obligations in the nature thereof; and the said
FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC. hereby ratifies and confirms all of the acts of said
r' Attorney -in -fact, pursuant to these premises.
This appointment is made under and by authority of a by-law of the said FIDELITY AND GUARANTY INSURANCE
UNDERWRITERS, INC., a certified copy of which is hereto annexed and made a part of this Power of Attorney.
r �q
I IN WITNESS WHEREOF, the said FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC. has
caused this instrument to be sealed with its corporate seal, duly attested by the signatures of its Vice -President and Assistant
rSecretary, this 22nd day of December . 1988 .
FIDELITY AND GUARANTY INSURANCE
'QC/ ,I/ y o UNDERWRITERS, INC.
William F. Spliedt
(Signed) BY ............ ......... ..... ............ ..........
CIOif �7 1 ' We-Pnrident.
1T'/'���), ��� ,�ti� . (Signed) ....... L...L' . HPfe...........
i �rl�,�l•r./f 1 1l `` - ' AisrsfanrSecntary.
STATE OF MARYLAND ; ss:
BALTIMORE CITY -
On this 22nd day of December , 1988 , before me personally came
r William F. Spliedt , Vice President of FIDELITY AND GUARANTY
f INSURANCE UNDERWRITERS, INC. and L. L. Huffer Assistant
Secretary of said Corporation, with both of whom I am personally acquainted, who being by me severally sworn, said that
.. they, the said William F. Spliedt , and L. L. Hupfer
were respectively the Vice President and Assistant Secretary of the said FIDELITY AND GUARANTY INSURANCE
UNDERWRITERS, INC., the corporation described in and which executed the foregoing Power of Attorney; that they -each
knew the seal of said corporation; that the seal affixed to said Power of Attorney was such corporate seal; that it was so
affixed by authority of the by-laws of said corporation; and that they signed their names hereto by like authority as Vice
President and Assistant Secretary, respectively, of the Corporation.
r— My Commission expires the first day of July, 19 90
(SEAL) (Signed)
FS al (9-84)
Margaret M. Hurst ,
NOTARY PUBLIC
Copy of By -Law
No Text
THIS PAGE LEFT BLANK INTENTIONALLY
CONTRACT
STATE OF TEXAS
COUNTY OF LUBBOCK
This AGREEMENT, made and entered into this 14th day of January. A.D.
1993, by and between the City of Lubbock, County of Lubbock, State of
Texas, acting by and through David Langston, Mayor, thereunto authorized_
7 to do so, hereinafter referred to as OWNER, and Williams & Peters
Construction Co., Inc. of the City of Lubbock, County of Lubbock -and -
State of Texas, hereinafter termed CONTRACTOR.
WITNESSETH: That for and in consideration of the payments and
agreements hereinafter mentioned, to be made and performed by the OWNER
and under the conditions expressed in the bond bearing even date
herewith (if any) the CONTRACTOR hereby agrees with OWNER to commence
and complete the construction of certain improvements described as
follows:
1993 STREET MAINTENANCE PROGRAM PROJECT IN THE AMOUNT OF $1,595,331.10.
and all extra work in connection therewith, under the terms as stated in
the contract documents and at his (or their) own proper cost and expense
to furnish all materials, supplies, machinery, equipment, tools,
superintendence, labor, insurance and other accessories and services
necessary to complete the said construction in accordance with the
documents as defined in the General Construction of Agreement.
The CONTRACTOR hereby agrees to commence work within ten days after the
date written notice to do so shall have been given to him and to
substantially complete same within the time specified in the contract
documents.
The OWNER agrees to pay the CONTRACTOR in current funds for the
performance of the contract in accordance with the proposal submitted
therefore, subject to additions and deductions, as provided in the
contract documents and
IN WITNESS WHEREOF, the parties to these presents have executed this
contract in six (6) counterparts, each of which shall be deemed an
original, in the year and day first above mentioned.
PM
4
F
CITY OF
ATTEST:
Sim
City Seerletary
APPROVED AS TO CONTENT:
APPROVED AS T FORM:
CONTRACTOR: WILLIAMS & PETERS CONSTRUCTION
CO INC.
BY: j-2g .
TITLE SESI'DE&)T
ATTEST:
secr-et.a,fy
COMPLETE ADDRESS:
P.O. BOX 3907
P LUBBOCK, TEXAS 79452
Q
z
O
w
E4
z
I
THIS PAGE LEFT BLANK INTENTIONALLY
7
r
r
a
E
r
F
STATUTORY PAYMENT BOND PURSUANT TO ARTICLE 5160
OF THE REVISED CIVIL STATUTES OF TEXAS
AS AMENDED BY
ACTS OF THE 56TH LEGISLATURE, REGULAR SESSION,
1959
KNOW ALL MEN BY THESE PRESENTS, that
(hereinafter called the Principal(s), as J�
Principals) d �-
(hereinafter called the Surety(s), as Surety(s), are held and firmly
bound unto the Cit pf du�oc her�e�naer
the amount of nt`"AA . - � y
($���.(�) a fu mone of e S
wh re f, the said Principal and Surety bind
heirs, administrators, executors, successors
severally, firmly by these presents.
,5al&led the Obligee) , in
/bollars
a es for the payment
themselves, and their
and assigns, jointly and
WHEREAS, the Principal has entered i to a certa' written
cont act with the Obligee, dated the >Y day of ,
19q� to
and said Principal under the law is required before commencing the
work provided for in said contract to execute a bond in the amount of
said contract which contract is hereby referred to and made apart
hereof as fully and to the same extent as if copied at length herein.
NOW, THEREFORE, THE CONDITION OF THIS OBLIGATION IS SUCH, that if
the said Principal shall pay all claimants supplying labor and
material to him or a sub -contractor in the prosecution of the work
provided for in said contract, then, this obligation shall be void;
otherwise to remain in full force and effect;
PROVIDED, HOWEVER, that this bond is executed pursuant to the
provisions of Article 5160 of the Revised Civil Statutes of Texas as
amended by Acts of the 56th Legislature, Regular Session, 1959, and
all liabilities on this bond shall be determined in accordance with
the provisions of said Article to the same extent as if it were copied
at length herein.
IN WITNESS WHEREOF, the said
si ne and sealed this instrument
19q'i .
Principal
Principal.(s) and Surety (s) have
this day of
CONSTiCvcr(Q CD *2N C .
By: 4 12 - -- - f'i:ES�i
(Title)
By:
(Title)
By:
(Title)
*By: AAVa,
(Title)
The undersigned surety company represents that it is duly
uali -led o do business in Texas, and hereby designates
'agent resident in Lubbock County to whom any
'��e6l_'T`s`Ttd notices m be delivered and on whom service of process may
be had in matters arising out of such suretyship. -
F ",
Surety '
BOND CHECK _
/11 11% Al A, V�IKBEST RATING *By,4&
LICENSED IN TOM Title )
DATE t"'Up BY - —
Approved as to form:
Cit Lubbo
By:
it torney
*Note: If signed by an officer of the Surety Company there must be on
file a certified extract from the by-laws showing that this person has
authority to sign such obligation. If signed by an Attorney in Fact,
we must have copy of power of attorney for our files.
0
z
0
w
U
O
W
a
w
a
THIS PAGE LEFT BLANK INTENTIONALLY
7
I STATUTORY PERFORMANCE BOND PURSUANT TO ARTICLE 5160
` OF THE REVISED CIVIL STATUTES OF TEXAS AS
AMENDED BY
ACTS OF THE 56TH LEGISLATURE, REGULAR SESSION 1959
-
aihc�
KNOW ALL MEN BY THESE PRESENTS, that -(hereinafter called
the P incipa (s , as rin ipal(s), and _
r' (hereinafter called the Surety(s), as Surety(s), are held and firmly
bound unto th Ci `*�Lu bo k (he a qa ft r cal d the Obligee), in
the amount o - Dollars
($ ,I0 la u m ey f e Hite States for the payment
wh reo , the said Principal and Surety bind themselves, and their
heirs, administrators, executors, successors and assigns, jointly and
severally, firmly by these presents.
WHEREAS, the Principal has entered -into a certain written
and said principal under the law is required before commencing the
work provided for in said contract to execute a bond in the amount of
said contract which contract is hereby referred to and made a part
hereof as fully and to the same extent as if copied at length herein.
NOW, THEREFORE, THE CONDITION OF THIS OBLIGATION IS SUCH, that if
the said Principal shall faithfully perform the work in accordance
with the plans, specifications and contract documents, then this
obligation shall be void; otherwise to remain in full force and
effect.
-PROVIDED, HOWEVER, that this bond is executed pursuant to the
provisions of Article 5160 of the Revised Civil Statutes of Texas as
amended by Acts of the 56th Legislature, regular session 1959, and all
liabilities on this bond shall be determined in accordance with the
provisions of said article to the same extent as if it were copied at
length herein.
IN WITNESS WHEREOF, the said Principe (s) and Surety (s) have
si ed and sealed this instrument this �� ay of
19691
kj W LLI A M5 f FbEES fvmmLc nab
urety Principal
* By : zx.moo By :ZJ2.
(Title) PRES) 1)EN7"
(Title)
BOND CHECK _ BY:
BEST RATING
(Title)
LICENSED IN TEXAS
DATE 1-77-2;3 BY
By:
(Title)
Fr
CERTIFIED COPY
GENERAL POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
NO. FG 146
That FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC., a corporation organized and existing
under the laws of the State of Ohio, and having its principal office at 100 Light Street, Baltimore, Maryland 21203, does
hereby constitute and appoint Evelyn Warwick, Tim Sampson, Linda Attaway and Alan Henry
of the City of Lubbock , State of Texas
r its true and lawful Attorney -in -Fact, with power and authority to sign its name as surety to, and to execute, seal, acknowledge
and deliver any and all bonds, undertakings, recognizances or other written obligations in the nature thereof; and the said
FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC. hereby ratifies and confirms all of the acts of said
�., Attorney -in -fact, pursuant to these premises.
This appointment is made under and by authority of a by-law of the said FIDELITY AND GUARANTY INSURANCE
UNDERWRITERS, INC., a certified copy of which is hereto annexed and made a part of this Power of Attorney.
IN WITNESS WHEREOF, the said FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC. has
caused this instrument to be sealed with its corporate seal, duly attested by the signatures of its Vice -President and Assistant
Secretary, this 8th day of December , 1989
FIDELITY AND GUARANTY INSURANCE
UNDERWRITERS, INC.
(Signed) By William F. Spliedt
d,c ` Vice -President.
(SEAL) �-'' a (Signed) L. L. Hupfer
r ..............................
Assistant Secretary.
STATE OF MARYLAND ) .
BALTIMORE CITY ) ss.
On this 8th day of December 19 89 , before me personally came
I OM William F. Spliedt , Vice President of FIDELITY AND GUARANTY
INSURANCE UNDERWRITERS, INC. and L. L. Hupfer , Assistant
Secretary of said Corporation, with both of whom I am personally acquainted, who being by me severally sworn, said that
r- they, the said William F. Spliedt , and L. L. Hupfer
were respectively the Vice President and Assistant Secretary of the said FIDELITY AND GUARANTY INSURANCE
UNDERWRITERS, INC., the corporation described in and which executed the foregoing Power of Attorney; that they each
knew the seal of said corporation; that the seal affixed to said Power of Attorney was such corporate seal; that it was so
affixed by authority, of the by-laws of said corporation; and that they signed their names hereto by like authority as Vice
President and Assistant Secretary, respectively, of the Corporation.
r' My Commission expires the first day of July, 19 90
(SEAL)
d
Fs 91 (9-84)
(Signed) Margaret M. Hurst
NOTARY PUBLIC
Copy of By -Law
"Article VI, Section 7 - Execution of Instruments.
The Chairman of the Board, the President, any Executive Vice President, any
Vice President, including the Financial Vice President, or any Assistant Vice
President, in conjunction with the Secretary or an Assistant Secretary, shall have
power on behalf of the Company:
(a) to execute, acknowledge, verify and deliver all contracts, obligations, in-
struments and documents whatsoever in connection with its business, including,
without limiting the foregoing, any and all bonds, guarantees, undertakings,
recognizances, stipulations, policies of insurance, deeds, leases, mortgages, re-
leases, satisfactions and agency agreements;
(b) to appoint one or more persons for any or all of the purposes mentioned in
the preceding paragraph (a), including affixing the seal of the Company."
I, Michael P. Hammond , an Assistant Secretary of
FIDELITY AND GUARANTY INSURANCE UNDERWRITERS, INC., do hereby certify that the foregoing is a full, true and
correct copy of the original power of attorney given by said Company to Evelyn Warwick, Tim Sampson,
Linda Attaway and Alan Henry
of U.bbagk, Texas , authorizing and empowering them
to sigt bonds as jherein set forth, which power of attorney has never been revoked and is still in full force and effect.
Arid I do fu,-ther J crtify that said Power of Attorney was given in pursuance of a by-law of said Company, and that the
foregoing is a trura-and correct copy of said by-law.
-In Testimony Vrhe'reof, I have hereunto set my hand and the seal of FIDELITY AND GUARANTY INSURANCE UN-
DERWRITER% INC' this 18th day of January , 1993.
A
...... ........
Y...................
Assistant Secretary.
F
r
CERTIFICATE OF INSURANCE
r
THIS PAGE LEFT BLANK INTENTIONALLY
' w, tt�y „• a 4r ,y Mro• 7 Sh Pr Y ° 'r p, gY"b. S'� �4° +�
ISSUE DATE (MM/DDIYY)
`1r18-93
PRODUCER
mE',
T 15 CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND
CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS CERTIFICATE
Alan Henry Insurance
DOES NOT AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE
POLICIES BELOW.
P. O. Box 2399
Lubbock, Texas 79408-2399
COMPANIES AFFORDING COVERAGE
i COMPANY A LETTER Aetna Casualty & Surety Ins. Co.
COMPA
LE TERNY B Colonial Casualty Ins. CO.
INSURED
Williams & Peters Coust. Co., Inc.
LETTER COMPANY
C
P. O. Box 5215
Lubbock, Texas 79417
CO
LETTERNY D
COMPANY E
LETTER
COVERAGES a, s:._ t:. r;il�
,%+., r r?r."•e!+u6�U�t"., fir, M,; .r.� r .. ' t'" , ,
THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD
INDICATED, NOTWITHSTANDING ANY REOUIREMENT, TERM OR
CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS
CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS,
EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS.
CO
LTR TYPE OF INSURANCE POLICY NUMBER
I.
POLICY EFFECTIVE; POLICY EXPIRATION
DATE (MM/DD/YY) ! DATE (MM/DD/YY) I LIMITS
GENERAL LIABILITY
! GENERAL AGGREGATE ! S 2 QQQ QQQ
A X COMMERCIAL GENERAL LIABILITY i 071GL806012TCA
6-6-92 6-6-93 ! PRODUCTS-COMPIOP AGO. S 2,000,000
CLAIMS MADE X ' OCCUR.'
PERSONAL R ADV. INJURY 5 1, QQQ , 000
OWNER'S 6 CONTRACTOR'S PROT,
j EACH OCCURRENCE S 11000, 000
i I FIRE DAMAGE (Any one fire) ; S 50, QQQ
MED. EXPENSE (Any one person) S rj QQQ
AUTOMOBILE LIABILITY
COMBINED SINGLE a 11000,000
LIMIT
X ANY AUTO
A 071FJ1037601TCM
6-6-92 6-6-93
ALL OWNED AUTOS
BODILY INJURY !<
SCHEDULED AUTOS
(Per person)
X HIRED AUTOS
BODILY INJURY s
X NON -OWNED AUTOS 1
(Par occldenl)
GARAGE LIABILITY
I
?
PROPERTY DAMAGE S
i '
EXCESS LIABILITY
EACH OCCURRENCE 4 S rj WO, QQQ
A X UMBRELLA FORM ': 071XS022599305
6-6-92 6-6-93 AGGREGATE : S
, _. 5,000,000
OTHER THAN UMBRELLA FORM
Y
WORKER'S COMPENSATION i
B
I i STATUTORY LIMITS
WC920274
; 9-1-92 ' 9-1-93 EACH ACCIDENT s 500,000
AND
DISEASE —POLICY LIMIT SjQQ QQQ
EMPLOYERS' LIABILITY
DISEASE —EACH EMPLOYEE S 500 OW
OTHER
I
DESCR!PTION OF OPERATIONSILOCATIONS/VEHICLES/SPECIAL ITEMS
City of Lubbock - 1993 Street Maintenance
Program - Bid No. 12336
CERTIFICATE HOLDER ,;,: 'r !�'r. ,';'xy'.Y 1"k,�.dtis �>CANCEL TIOW'a !".t :; _6" , d,• r4
SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE
City of Lubbock
EXPIRATION DATE THEREOF, THE ISSUING COMPANY WILL ENDEAVOR TO
P. 0. BOX 2000
MAIL 10 DAYS WRITTEN NOTICE TO THE CERTIFICATE HOLDER NAMED TO THE
Lubbock, Texas 79457
v' :: LEFT, BUT FAILURE TO MAIL SUCH NOTICE SHALL IMPOSE NO OBLIGATION OR
ia
}`I LIABILITY OF ANY KIND UPON THE COMPANY, ITS AGENTS OR REPRESENTATIVES.
AVTHORIZ REPRESENTATIVE
L: I
;
ACORD 25-S (7/00)
IbACORD CORPORATION 1991
I
CERTIFICATE OF INSURANCE
FTO: CITY OF LUBBOCK
Lubbock, Texas
DATE: _
Type of
Project:
THIS IS TO CERTIFY THAT (Name and Address of Insured) is, at the date of this certificate, in-
sured by this Company with respect to the business operations hereinafter described, for the types of insurance and
in accordance with the provisions of the standard policies used by this Company, the further hereinafter described.
Exceptions to standard policy noted hereon.
TYPE OF INSURANCE
Policy No. Effective Expires
Limits of
Liability
--------------------------------------------------------------------------------------------------------------------
Workmen's
Compensation
....................................................................................................................
Owner's Protec-
Per Person
S
tive or Contin-
Per Occurrence
S
gent Liability
Property Damage
S
-----------------------------------------------------------------------------------•--------------------------------
Contractors
Per Person
$
Protective or
Per Occurrence
S
Contingent
Property Damage
S
Liability
--------------------------------------------------------------------------------------------------------------------
Per Person
S
Automobile
Per Occurrence
Property Damage
S
-----------------------------------------------------------------------------------
----- -----------
Comprehensive
General Liability
Umbrella Liability
..........................5
..
$
--------------------------------------------------------------------------------------------------------------------
a
The foregoing Policies (do) (do not) cover all sub -contractors.
19
I
Locations Covered
DESCRIPTION of Operations Covered
The above policies either in the body thereof or by appropriate endorsement provide that they may not be changed or
canceled by the insurer in less than the legal time required after the insured has received written notice of such
change or cancellation, or in case there is no legal requirement, in less than five days in advance of cancellation.
FIVE COPIES OF THIS CERTIFICATE
MUST BE SENT TO THE OWNER. (Name of Insurer)
By:
Title
THIS PAGE LEFT BLANK INTENTIONALLY
r
GENERAL CONDITIONS OF THE AGREEMENT
7
THIS PAGE LEFT BLANK INTENTIONALLY
7
GENERAL CONDITIONS OF THE AGREEMENT
r 1. OWNER
E' Whenever the owner, or the expression Party of the
First Part, or First Party, are used in this
contract, it shall be understood as referring to
the City of Lubbock, Texas.
2.
Whenever the word Contractor, or the expression
r• Party of the Second Part, or Second Party, is used,
it shall be understood to mean the person, persons,
co -partnership or corporation, to wit: Williams &
Peters Construction Co.. Inc., who has agreed to
!� perform the work embraced in this contract, or to
his or their legal representative.
3. OWNER'S REPRESENTATIVE
Whenever the word owner's Representative,
^, representative, or Engineer is used in this
contract, it shall be understood as referring to
Don Jennings, Street Superintendent, City Hall,
Lubbock, Texas, under whose supervision these
r' contract documents, including the plans and
specifications, were prepared, and who will inspect
constructions; or to such other representative,
r. supervisor, or inspector as may be authorized by
said Owner to act in any particular under this
agreement. Engineers, supervisors or inspectors
will act for the Owner under the direction of
Owner's Representative, but shall not directly
supervise the Contractor or men acting in behalf of
the Contractor.
4. CONTRACT DOCUMENTS
�,. The contract documents shall consist of the Notice
to Bidders, General Instructions to. Bidders,
Proposal, Signed Agreement, Statutory Bonds (if
required), General Conditions of the Agreement,
Special Conditions of the Agreement (if any),
Specifications, Plans, Insurance Certificate, and
all other documents made available to Bidder for
r. his inspection in accordance with the Notice to
Bidders.
5. INTERPRETATION OF PHRASES
Whenever the words "Directed," "Permitted,"
"Designated." "Required," "Considered Necessary,"
C"Prescribed," or words of like import are used, it
r
6.
shall be underst`bod that the direction,
requirement, permission, order, designation or
prescription of the Owner's Representative is
intended; and similarly, the words "Approved,"
"Acceptable," "Satisfactory," or words of like
import shall mean approved by or acceptable or
satisfactory to the Owner's Representative.
Whenever in the Specifications or drawings
accompanying this agreement, the terms of
description of various qualities relative to
finish, workmanship, or other qualities of similar
kind which cannot, from their nature, be
specifically and cleared described and specified,
but are necessarily described in general terms, the
fulfillment of which must depend on individual
judgment, then in all such cases, any question of
the fulfillment of said Specifications shall be
decided by the Owner's Representative, and said
work shall be done in accordance with his
interpretations of the meaning of the words, terms,
or clauses defining the character of the work.
The term Subcontractor, as employed herein,
includes only those having a direct contract with
the Contractor for performance of work on the
project contemplated by these contract documents.
Owner shall have no responsibility to any
Subcontractor employed by Contractor for
performance of work on the project contemplated by
these contract documents, but said Subcontractors
will look exclusively to contractor for any
payments due Subcontractor.
7. WRITTEN NOTICE
Written notice shall be deemed to have been duly
served if delivered in person to the individual or
to a member of the firm or to an officer of the
corporation for whom it is intended, or if
delivered at or sent certified mail to the last
business address known to him who gives the notice.
8. WORK
Unless otherwise stipulated, the Contractor shall
provide and pay for all materials, sullies,
machinery, equipment, tools, superintendence,
labor, insurance, and all water, light, power,
fuel, transportation and all other facilities
necessary for the execution and completion of the
work covered by the contract documents. Unless
7
work cover
ed by the contract documents. Unless
otherwise specified, all materials shall be new and
both workmanship and materials shall be of a good
quality. The Contractor shall, if required, furnish
satisfactory evidence as to the kind and quality of
materials. Materials or work described in words
which so applied have well known, technical or
trade meaning shall be held to refer such
recognized standards.
All work shall be done and all materials furnished
in strict conformity with the contract documents.
9. SUBSTANTIALLY COMPLETED
The term "Substantially Completed" is meant that
the structure or project contemplated by the
contract documents has been made suitable for use
or occupancy or the facility is in a condition to
serve its intended purpose, but still may require
minor miscellaneous work and adjustment.
10. LAYOUT OF WORK
Except as specifically provided herein, the
Contractor shall be responsible for laying out all
f work and shall accomplish this work in a manner
L acceptable to the Owner's Representative. The
Owner's Representative will check the Contractor's
layout of all major structures and any other layout
work done by the Contractor at Contractor's
request, but this check does not relieve the
Contractor of the responsibility of correctly
locating all work accordance with the Plans and
Specifications.
l 11. KEEPING OF PLANS AND SPECIFICATIONS ACCESSIBLE
The Contractor shall be furnished with 5 copies of
all Plans, Profiles and specifications without
E expense to him and he shall keep one copy of same
f consistently accessible on the job site.
12. RIGHT OF ENTRY
The Owner's Representative may make periodic visits
to the site to observe the progress and quality of
the executed work and to determine, in general, if
the work is proceeding in accordance with the
contract documents. He will not be required to make
exhaustive or continuous on -site inspections to
check the quality or quality of the work, nor will
he be responsible for the construction means,
r methods, techniques, sequences or procedures, or
7 II-3
the safety precautions incident thereto. His
efforts will be directed towards providing
assurances for the Owner that the completed project
will conform to the requirements of the contract
documents, but he will not be responsible for the
Contractor's failure to perform the work in `
accordance with the Contract Documents. On the
basis of his on -site observations, he will keep the
Owner informed of the progress of the work and will
endeavor to guard the Owner defects and
deficiencies in the work of the Contractor.
13. LINES AND GRADES
All lines and grades shall be furnished by the
Owner's Representative whenever necessary for the
commencement of the work contemplated by these
contract documents or the completion of the work
contemplated by these contract documents. Whenever
necessary, Contractor shall suspend his work in
order to permit Owner's Representative to comply
with this requirement, but such suspension will be
as brief as practical and Contractor shall be
allowed no extra compensation therefore. The
Contractor shall give the Owner's Representative
ample notice of the time and place where lines and
grades will be needed. All stakes, marks, etc.,
shall be carefully preserved by the Contractor, and
in case of careless destruction or removal by him,
his Subcontractors, or his employees, such stakes,
marks, etc., shall be replaced by the Owner's
Representative at Contractor's expense.
14. OWNER'S REPRESENTATIVE'S AUTHORITY AND DUTY
Unless otherwise specified, it is mutually agreed
between the parties to this agreement that the
Owner's Representative shall review all work
included herein. He has the authority to stop the
work whenever such stoppage may necessary to
insure the proper execution of the contract. In
order to permit delays and disputes and to
discourage litigation, it is further agreed that
the Owner's Representative shall, in all cases,
determine the amounts and quantities of the several
kinds of work which are to be paid for under this
contract. He shall determine all questions in
relation to said work and the construction thereof,
and shall in all cases, decide every question which
may arise relative to the execution of this
contract on the part of said Contractor. The
Owner's Representative's estimates and findings
shall be conditions precedent to the right of the
parties hereto to arbitration or to any action on
II-4
F
F
the contract, and to any rights of the Contractor
to receive any money under this contract; provided,
however, that should Owner's Representative render
any decision or give direction, which in the
opinion of either party hereto, is not in
accordance with the meaning and intent of this
contract, either party may file with said Owner's
Representative within 30 days his written
objection to the decision or direction so rendered,
and by such action may reserve the right to submit
the question so raised to arbitration as
hereinafter provided. It is the intent of this
agreement that there shall be no delay in the
execution of the work, therefore, written decisions
or direction of the Owner's Representative as
rendered shall be promptly carried out, and any
claim arising therefrom shall be adjusted to
arbitration as hereinafter provided.
15. SUPERINTENDENT AND INSPECTION
It is agreed by the Contractc
Representative shall be and i
appoint from time to time suc
engineers, supervisors, or it
Owner's Representative may de
the materials furnished and t
this agreement, and to see th
furnished and said work is do
the specifications therefore.
furnish all reasonable aid ar
by the subordinate engineers,
inspectors for the proper ins
examination of the work. The
regard and obey the direction
any subordinate engineers, sL
inspectors so appointed, wher
instructions are consistent A
this agreement and accompanvi
r that the Owner's
s hereby authorized to
h subordinate
spectors as the said
am proper to inspect
he work done under
at said material is
ne in accordance with
The Contractor shall
3 assistance required
supervisors, or
pection and
Contractor shall
s and instructions of
pervisors or
such directions and
ith the obligations of
nq plans and
specifications, provided, however, should the
Contractor object to any orders by any subordinate
engineer, supervisor or inspector, the Contractor
may within six (6) days make written appeal to the
Owner's Representatives for his decision.
16. CONTRACTOR'S DUTY AND SUPERINTENDENCE
The Contractor shall give personal attention to the
faithful prosecution and completion of this
contract and shall keep on the work, during its
progress, a competent superintendent and any
necessary assistants, all satisfactory to Owner's
Representative. The Superintendent shall represent
the Contractor in his absence and all directions
r
1.
II-5
given to him shall be binding as if given to the
Contractor. Adequate supervision by competent and
reasonable representatives of the Contractor is
essential to the proper performance of the work and
lack of such supervision shall be grounds for
suspending operations of the Contractor.
The work, from its commencement to completion,
shall be under the exclusive charge and control of
the Contractor and all risk in connection therewith
shall be borne by the Contractor.
The Owner or Owner's Representative will not be
responsible for the acts or omissions of the
Contractor, or any subcontractors, or any of his
agents or employees, or any other persons
performing any of the work.
17. CONTRACTOR'S UNDERSTANDING
It is understand and agreed that the Contractors
has, by careful examination, satisfied himself as
to the nature and location of the work, the -.
confirmation of the ground, the character, quality
and quantity of materials to be encounter, the
character of equipment and facilities needed
preliminary to and during the prosecution of the
work, and the general and local conditions, and all
other matters which in any way effect the work
under this contract. No verbal agreement or
conversation with any officer, agent, or employee
of the Owner, either before or after the execution
of this contract, shall effect or modify any of the
terms or obligations herein contained.
18. CHARACTER OF WORKERS
The Contractor agrees to employ only orderly and
competent workers skillful in the performance in
the type of work required under this contract, to
do the work; and agrees that whenever the Owner's
Representative shall inform him in writing that any
worker or workers on the work, are, in his opinion,
incompetent, unfaithful, or disorderly, such worker
or workers shall be discharged from the work and
shall not again be employed on the work without the
owner's Representative's written consent.
19. CONSTRUCTION PLANT
The Contractor shall provide all labor, tools,
equipment, machinery and materials necessary in the
prosecution and completion of this contract where
it is not otherwise specifically provided that the
II-6
Owner shall furnish same, and it is also understood
that the Owner shall not be held responsible for
the care, preservation, conservation, or protection
E of any materials, tools, equipment or machinery or
any part of the work until it is finally completed
and accepted.
The building of structures for the housing of men
�. or equipment will be permitted only at such places
as the Owner's Representative shall direct, and the
sanitary conditions of the grounds in or such
structure shall at all times be maintained in a
manner satisfactory to the Owner's Representative.
20. SANITATION
Necessary sanitary conveniences for the use of
laborers on the work site, properly secluded from
public observation, shall be constructed and
rmaintained by the Contractor in such manner and at
such points as shall be approved by the Owner's
Representative and their use shall be strictly
enforced.
21. OBSERVATION AND TESTING
The Owner or Owner's Representative shall have the
right at all reasonable times to observe and test
the work. Contractor shall make necessary
arrangements and provide proper facilities and
access for such observation and testing at any
location wherever work is in preparation or
progress. Contractor shall ascertain the scope of
any observation which may be contemplated by Owner
or Owner's Representative and shall give ample
notice as to the time each part of the work will be
ready for such observation. Owner or Owner's
Representative may reject any work found to be
defective or nor in accordance with the contract
documents, regardless of the stage of its
completion or the time or place of discovery of
such errors, any regardless of whether Owner's
Observer has previously accepted the work though
oversight or otherwise. If any work should be
covered without approval or consent of the Owner,
it must, if requested by Owner or Owner's
7
Representative be uncovered for examination at
Contractor's expense. In the event that any part of
the work is being fabricated or manufactured at a
location where it is not convenient for Owner or
owner's Representative go make observations of such
work or require testing of said work, then in such
event Owner or Owner's Representative may require
Contractor to furnish Owner or Owner's
II-7
Representative certificates of inspection, testing
or approval made by persons competent to perform
such tasks at the location where that part of the
work is being manufactured or fabricated. All such
tests will be in accordance with the methods
prescribed by the American Society for Testing and _
Materials or such other applicable organization as
may be required by law or the contract documents.
If any work which is required to be inspected,
tested, or approved, is covered up without written
approval or consent of the Owner's Representative,
it must, if requested by the Owner or Owner's �.
Representative, be uncovered for observation and
testing at the Contractor's expense. The cost of
all such inspections, tests, and approvals shall be
borne by the Contractor unless otherwise provided
herein. Any work which fails to meet the
requirements of any such,tests, inspections or
approval, and any work which meets the requirements
of any such tests or approval but does not meet the
requirements of the contract documents shall be
considered defective. Such defective work shall be _
corrected at the Contractor's expense.
Neither observations by the Owner or owner's
Representative, nor inspections, tests, or -
approvals made by Owner, Owner's Representative, or
other persons authorized under this agreement to
make such inspections, tests, or approvals, shall ,
relieve the Contractor from his obligation to
perform the work in accordance with the
requirements of the contract documents.
22. DEFECTS AND THEIR REMEDIES
It is further agreed that if the work or any part --
thereof, or any material brought on the site of the
work for use in the work or selected for the same,
shall be deemed by the Owner or Owner's
Representative as unsuitable or not in conformity
with plans, specifications and contract documents,
the Contractor shall, after receipt of written
notice thereof from the Owner Representative,
forthwith remove such material and rebuild or
otherwise remedy such work so that it shall be in
full accordance with this Contractor. It is further _
agreed that any remedial action contemplated as
hereinabove set forth shall be at Contractor's
expense.
II-8
r
6 23. CHANGES AND ALTERATIONS
The Contractor further agrees that the Owner may
make such changes and alterations as the Owner may
see fit, in the line, grade, form, dimensions,
r, plans or materials for the work herein
contemplated,- or any part thereof, either before or
after the beginning of the construction, without
affecting the validity of this contract and the
accompanying bond.
If such changes or alterations diminish the quality
of the work to be done, they shall not constitute
w the basis for a claim for damages, or anticipated
profits on the work that may be dispensed with. If
they increase the amount of work, and the increased
work can fairly be classified under the
specifications, such increase shall be paid
according to the quantity actually done and at the
unit price established for such work under this
contract; otherwise such additional work shall be
paid for as provided under Extra Work. In case the
r Owner shall make such changes or alternatives as
shall make unless any work already done or material
o already furnished or used in said work, then the
Owner shall recompense the Contractor for any
material or labor so used, and for any actual loss
occasioned by such change, due to actual expense
incurred in preparation for the work as originally
,. planned.
24. EXTRA WORK
r The term "extra work" as used in this contract
E shall be understood to mean and include all work
that may be required by the Owner or Owner's
Representative to be done by the Contractor to
accomplish any change, alteration or addition to
the work as shown on the plans and specifications
or contract documents and not covered by
Contractors' proposal, except as provided under
Changes and Alterations herein.
It is agreed that the Contractor shall perform all
extra work under the direction of the Owners
Representative when presented with a written work
order signed by the Owner's Representative,
subject, however, to the right of the Contractor to
require written confirmation of such extra work
order by the Owner. It is also agreed that the
r" compensation to be paid to the Contractor for
j performing said extra work shall be determined by
one or more of the following methods:
F II-9
Method (A) - By agreed unit prices; or
Method (B) - By agreed lump sum; or Method
(C) - If neither Method (A) or Method (B) Be
agreed upon before the extra work is
commenced, then the Contractor shall be paid
the actual field cost of the work, plus
Fifteen (15%) per cent.
In the event said extra work be performed and paid
for under Method (C), then the provision of this
paragraph shall apply and the "actual field cost"
is hereby defined to include the cost of all
workmen, such as foremen, timekeepers, mechanics
and laborers, and materials, supplies, teams,
trucks, rental on machinery and equipment, for the
time actually employed or used on such extra work,
plus actual transportation charges necessarily
incurred, together with all expenses incurred
directly on account of such extra work, including
Social Security, Old Age Benefits, Maintenance
Bonds, Public Liability and Property Damage and
Workmen's Compensation and all other insurance as
may be required by law or ordinance or directed by
the Owner or Owner's Representative, or by them
agreed to. Owner's Representative may direct the
form in which accounts of the actual field cost
shall be kept and records of these accounts shall _
be made available to the Owner's Representative.
The Owner's Representative may also specify in
writing, before the work commences, the method of -
doing the work and the type and kind of machinery
and equipment to be used; otherwise, these matters
shall be determined by the Contractor. Unless
otherwise agreed upon, the prices for the use of
machinery and equipment shall be determined by
using 100%, unless otherwise specified, of the
latest Schedule of Equipment and Ownership Expenses
adopted by the Associated General Contractors of
America. Where practical, the terms and prices for
the use of machinery and equipment shall be
incorporated in the written extra work order. The
fifteen per cent (15%) of the actual field cost to
be paid to Contractor shall cover and compensate
him for his profit, overhead, general
superintendence, and field office expense, and all
other elements of cost and expense not embraced
within the actual field cost as herein defined,
save that where the Contractor's Camp or Field
Office must be maintained primarily on account of
such Extra Work, then the cost to maintain and
operate the same shall be included in the 'actual
field cost."
No claim for extra work of any kind will be allowed
unless ordered in writings by the Owner's
Representative. In case any orders or instructions
appear to the Contractor to involve extra work for
which he should receive compensation or an
r►
adjustment in the construction time, he shall make
I'
written request to the Owner's Representative for a
"
written order authorizing such extra work. Should a
difference of opinion arise as to what does or does
rnot
constitute extra work, or as to the payment
L
therefore, and the Owner's Representative insists
upon its performance, the Contractor shall proceed
with the work after making written request for
written order and shall keep adequate and accurate
account of the actual field cost thereof, as
,.,
provided under Method (C). The Contractor will
thereby preserve the right to submit the matter of
payment to arbitration as herein below provided.
25. DISCREPANCIES AND OMISSIONS
It is further agreed that it is the intent of this
•• contract that all work described in this proposal,
the specifications, plans and other contract
documents, is to be done for the prices quoted by
the Contractor and that such price shall include
C all appurtenance necessary to complete the work in
accordance with the intent of these contract
documents as interpreted by Owner's Representative.
�^ If the Contractor finds any discrepancies or
omissions in these plans, specifications, or
contract documents, he should notify the Owner's
t^ Representative and obtain a clarification before
p the bids are received, and if no such request is
E received by the Owner's Representative prior to the
openings of bids, then it shall be considered that
the Contractor fully understands the work to be
included and has provided sufficient sums in his
proposal to complete the work in accordance with
these plans and specifications. It is further
understood that any request for clarification must
be submitted no later than five days prior to the
opening of bids.
26. RIGHT OF OWNER TO MODIFY METHODS AND EQUIPMENT
�^ If at any time the methods or equipment used by the
i Contractor are found to be inadequate to secure the
quality of work with the rate of progress required
under this contract, the Owner or Owner's
Representative may order the Contractor in writing
to increase their safety or improve their character
and efficiency and the Contractor shall comply with
such order.
If, at any time, the working force of the
Contractor is inadequate for securing the progress
herein specified. the Contractor shall, if so
ordered in writing, increase his force or
equipment, or both to such an extent as to give
reasonable assurance of compliance with the
schedule of progress.
27. PROTECTION AGAINST ACCIDENT TO EMPLOYEES AND THE --
PUBLIC
The Contractor shall take out and procure a policy
or policies of Workmen's Compensation Insurance
with an insurance licensed to transact business in
the State of Texas, which policy shall comply with
the Workmen's Compensation Laws of the State of
Texas. The Contractor shall at all times exercise
reasonable precaution for the safety of employees
and others on or near the work and shall comply
with all applicable provisions of federal, state
and municipal laws and building and construction
codes. All machinery and equipment and other
physical hazards shall be guarded in accordance
with the "Manual of Accident Prevention in
Construction" of Associated General Contractors of
America, except where incompatible with federal,
state or municipal laws or regulations. The
Contractor, his sureties and insurance carriers
shall defend, indemnity and save harmless the Owner
and all of its officers, agents and employees from
all suits, actions, or claims of any character
whatsoever, brought for or on account of any
injuries or damages received or sustained by any
person or persons or property, on account of any
negligent act or fault of the Contractor or any
subcontractor, their agents or employees, in the r
execution and supervision of said contract, and the
project which is the subject matter of this
contract, on account of the failure of Contractor
or any subcontractor to provide necessary
barricades, warning lights, or signs, and will be
required to pay any judgment with costs which may
be obtained against the Owner or any of its -,
officers, agents, or employees including attorney0s
fees.
The safety precautions taken shall be the sole
responsibility of the Contractor, in his sole
discretion as an Independent Contractor; inclusion
of this paragraph in the Agreement, as well as any
notice which may be given by the Owner, the Owner's
Representative concerning omissions under this
paragraph as the work progresses, are intended as
reminders to the Contractor of his duty and shall
not be constructed as any assumption of duty to
supervise safety precautions by either the
6 Contractor or any of his subcontractors.
28. CONTRACTOR'S INSURANCE
The Contractor shall procure and carry at his sole
cost and expense throughout the life of this
contract, insurance protection as hereinafter
specified. Such insurance shall be carried with an
insurance company licensed to transact business in
r
the State of Texas and shall cover all operations
(
in connection with this contract,.whether performed
by the Contractor or a subcontractor, or separate
r
policies shall be provided covering the operation
of each subcontractor.
(A) Workmen's Compensation and Employer's Liability
Insurance
As required by State statute covering all
employees employed on a work whether employed
by the Contractor or any subcontractor on the
job.
(B) Comprehensive General Liability Insurance
k
The Contractor shall have Comprehensive General
Liability Insurance with limits $500,000 Bodily
Injury and $300,OOO Property Damage per
occurrence to include:
Premises and Operations
Explosion and Collapse Hazard
Contractual Liability (Incidental)
Independent Contractors Coverage
Personal Injury (with exclusion "C"
waived)
The City is to be named as an additional
insured on this policy for this specific job
and a copy of the endorsement doing so is to be
attached to the Certificate of Insurance.
(C) Automobile Insurance
The Contractor shall procure automobile
insurance providing coverage as follows:
In an amount not less than $ 100,000.00 for
injuries, including accidental death, to any
one person, but not less than $ 300,000.00 per
occurrence, and in the amount of not less than
$ 100,000.00 for property damage.
(D) Excess or Umbrella Liability Insurance
The Contractor shall have Excess or Umbrella
Liability Insurance in the amount of $1,000,000
with coverage to correspond with Comprehensive
General Liability and Comprehensive Automobile
Liability coverages.
The City is to be named as an additional
insured on this policy for this specific job
and a copy of the endorsement doing so is to be
attached to the Certificate of Insurance.
(E) Proof of Coverage
Before work on this contract is commenced, each
Contractor and subcontractor shall submit to
the Owner for approval 6 certificates of
insurance covering each insurance policy
carried and offered as evidence of compliance
with the above insurance requirements, signed
by an authorized representative of the
insurance company setting forth:
(1) The name and address of the insured.
(2) The location of the operations to which the
insurance applies.
(3) The name of the policy and type or types of _
insurance in force thereunder on the date
borne by such certificate.
(4) The expiration date of the policy and the
limit or limits of liability thereunder on
the date borne by such certificate.
(5) A statement that the insurance of the type
afforded by the policy applies to all of
the operations of whatever character, which
are undertaken by the insured during the
performance of this contract, provided such
operations are required in the performance
of the contract. --
(6) A provision that the policy may be canceled
only by mailing written notice to the named
insured at the address shown in the policy
stating when, not less than ten (10) days
thereafter, cancellation of such policy
i
shall be effective, with a copy to the
r, Owner of said letter of intent.
i 29. PROTECTION AGAINST CLAIMS OF SUBCONTRACTORS,
LABORERS, MATERIALMEN, AND FURNISHERS OF
MACHINERY, EQUIPMENT AND SUPPLIES
The Contractor agrees that he will indemnity and
save the Owner harmless from all claims growing out
of any demands of subcontractors, laborers,
workmen, mechanics, materialmen and furnishers of
machinery and parts thereof, equipment, power
r tools, all suppliers, including commissary,
incurred in the furtherance of the performance of
this contract. When Owner so desires, the
r Contractor shall furnish satisfactory evidence that
all obligations of the nature hereinabove
designated have been paid, discharged or waived.
If during the progress of the work, Contractor
shall allow any indebtedness to accrue for work
furnished by any of those designated in the
preceding paragraph and shall fail to pay and
discharge any such indebtedness within five (5)
days after demand is made, then Owner may, during
the period for which such indebtedness shall remain
unpaid, withhold from the unpaid portion of this
contract, a sum equal to the amount of such unpaid
indebtedness or may apply the sum so withheld to
discharge any such indebtedness.
Any and all communications between any party under
this paragraph must be in writing.
30. PROTECTION AGAINST ROYALTIES OR PATENT INVENTION
The Contractor shall pay all royalties and license
[
fees, and shall provide for the use of any design,
device, material or process covered by letters
�-
patent or copyright by suitable legal agreement
with the Patentee or Owner thereof. The Contractor
shall defend all suits or claims for infringement
of any patent or copyrights and shall indemnity and
save the Owner harmless from any loss on account
t,
thereof, except that Owner shall defend all such
suits and claims and shall be responsible for all
such loss when a particular design, device,
material or process or the product of a particular
manufacturer or manufacturers is specified or
required in these contract documents by Owner;
provided, however, if choice of alternate design,
device, material or process is allowed to the
Contractor, then Contractor shall indemnify and
save Owner harmless from any loss on account
7 II-15
thereof. If the material or process specified or
required by Owner is ;an infringement, the
Contractor shall be responsible for such loss
unless he promptly gives written notice to the
Owner of such infringement.
31. LAWS AND ORDINANCES
The Contractor shall at all times observe and
comply with all federal, state and local laws,
ordinances and regulations, which in any manner
effect the contract or the work, and shall
indemnify and save the Owner against any claim
arising from the violation of any such laws,
ordinances, and regulations, whether by the
Contractor or his employees. If the Contractor
observes that the plans and specifications are at
various therewith, he shall promptly notify the
Owner's Representative in writing and any necessary
changes shall be adjusted as provided in the
contract for changes in the work. If the Contractor
performs any work knowing it to be contrary to such
laws, ordinances, rules and regulations, and
without such notice to the Owner's Representative,
he shall bear all costs arising therefrom.
The Owner is a municipal corporation of the State
of. Texas and the law from which it derives its
powers, insofar as the same regulates the objects
for which, or the manner in which, or the
conditions under which the Owner may enter into
contracts, shall be controlling, and shall be
considered as part of this contract to the same
effect as though embodied herein.
32. ASSIGNMENT AND SUBLETTING
The Contractor further agrees that he will retain
personal control and will give his personal
attention to the fulfillment of this contract. The
Contractor further agrees that subletting of any
portion or feature of the work, or materials
required in the performance of this contract, shall
not relieve the Contractor from his full
obligations to the Owner, as provided by this
contractual agreement.
33. TIME FOR COMPLETION AND LIQUIDATED DAMAGES
It is hereby understood and mutually agreed by and
between the Contractor and the owner, that the date
of beginning and time for completion as specified
in the contract; and it is further mutually
understood and agreed that the work embraced in
r
p
t.
this contract shall be commenced on a date to be
specified in the Notice to Proceed.
If the Contractor should neglect, fail, or refuse
to complete the work within the time herein
specified, or any proper extension thereof granted
by the Owner, then the Contractor does hereby agree
as part of the consideration for the awarding of
this contract, the owner may withhold permanently
from Contractor's total compensation, the sum of
two -Hundred Dollars ($200.00), not as a penalty,
but as liquidated damages for the breach of the
contract as herein set forth for each and every
calendar day that the Contractor shall be in
default after the time stipulated for completing
the work. (See Bid Proposal -Bid for Unit Price for
additional information).
It is expressly understood and agreed, by and
between Contractor and the Owner, that the time for
the completion of the work described herein is
reasonable time for the completion of the same,
taking into consideration the average climatic
change and conditions and usual industrial
conditions prevailing in this locality.
The amount is fixed and agreed upon by and between
the Contractor and the Owner because of the
impracticability and extreme difficulty in fixing
and ascertaining actual damages the Owner would in
such event sustain, and the amount is agreed to be
damages the Owner would sustain and shall be
retained by the Owner from current periodical
estimates for payments or from final payment.
It is further agreed and understood between the
Contractor and Owner that time is of the essence of
this contract.
34. TIME AND ORDER OF COMPLETION
It is the meaning and intent of this contract,
unless otherwise herein specifically provided, that
the Contractor shall be allowed to prosecute his
work at such time and sessions, in such order of
precedence, and in such manner as shall be
substantially completed as a whole and in part, in
accordance with this contract, the plans and
specifications, and within the time of completion
designated in the proposals; provided, also, that
when the owner is having other work done, either by
contract or by his own force, the Owner's
Representative may direct the time and manner of
constructing work done under this contract so that
r
II-17
conflicts will be avoided and the construction of
the various works being done for the Owner shall be
harmonized.
The Contractor shall submit, at such times as may
reasonably be requested by the Owner's
Representative, schedules which shall show the
order in which the Contractor proposes to carry on
the work, with dates at which the Contractor will
start the several parts of the work, and estimated '-
dates of completion of the several parts. (See
Special Conditions for additional information).
35. EXTENSION OF TIME
The Contractor agrees that he has submitted his
proposal in full recognition of the time required
for the completion of this project, taking into
consideration the average climatic range and
industrial conditions prevailing in this locality,
and has considered the liquidated damage provisions
of paragraph 33 hereinabove set forth and that he
shall not be entitled to, nor will he request, an
extension of time on this contract, except when his
work has been delayed by an act or neglect of the
Owner or other contractors employed by the Owner,
'or by changes ordered in the work, or by strike,
walk -outs, acts of God or the public enemy, fire or
flood. The Contractor may apply in writing for an
extension of time, submitting therewith all written
justification as may be required by Owner's
Representative for such an extension as requested
by Contractor. The Owner's Representative within
ten (10) days after receipt of a written request
for an extension of time by the Contractor
supported by all requested documentation shall then
submit such written request to the City Council of
the City of Lubbock for their consideration.
Should the Contractor disagree with the action of
City Council on granting an extension of time, such _
disagreement shall be settled by arbitration as
hereinafter provided.
36. HINDRANCE AND DELAYS
In executing the contract agreement, the Contractor
agrees that in undertaking to complete the work ,-
within the time herein fixed, he has taken into
consideration and made allowances for all
hindrances and delays incident to such work, r
whether growing out of delays in securing material
or workmen or otherwise. No charge shall be made by
the Contractor for hindrance or delays from any
cause during the progress of any part of the work
embraced in this contract except where the work is
stopped by order of the Owner or Owner's
Representative for the Owner's convenience in which
event such expense as in the judgment of the
Owner's convenience in which event such expense as
r in the judgment of the Owner's Representative that
is caused by such stoppage shall be paid by Owner
to Contractor.
37. QUANTITIES AND MEASUREMENTS
No extra or customary measurements of any kind will
be allowed, but the actual measured or computed
length, area, solid contents, number and weight
only shall be considered, unless otherwise
specifically provided.
In the event this contract is let on a unit price
basis, then Owner and Contractor agree that this
contract, including the specifications, plans and
i
other contract documents are intended to show
clearly all work to be done and material to be
furnished hereunder. Where the estimated quantities
are shown for the various classes of work to be
done and material to be furnished under this
.,
contract, they are approximate and are to be used
only as a basis for estimating the probable cost of
`
the work and for comparing their proposals offered
for the work. It is understood and agreed that the
actual amount of work to be done and the materials
to be furnished under this contract may differ
somewhat from these estimates, and that where the
••
basis for payment under this contract is the unit
price method, payment shall be for the actual
amount of work done and materials furnished on the
project.
38. PROTECTION OF ADJOINING PROPERTY
The Contractor shall take proper means to protect
the adjacent or adjoining property or properties in
any way encountered, which may be injured or
seriously affected by any process of construction
to be undertaken under this agreement, from any
damage or injury by reason of said process of
construction; and he shall be liable for any and
all claims for such damage on account of his
failure to fully protect all adjacent property.
The Contractor agrees to indemnify, save and hold
harmless the Owner against any claim or claims for
damages due to any injury to any adjacent or
adjoining property, arising or growing out of the
performance of this contract, but such indemnity
shall not apply to any claim of any kind arising
out of the existence or character of the work.
39. PRICE FOR WORK
In consideration of the furnishing of all necessary
labor, equipment and material and the completion of
all work by the Contractor, and on the delivery of
all materials embraced in this contract in full
conformity with the specifications and stipulations
herein contained, the Owner agrees to pay the
Contractor the price set forth in the proposal
attached hereto, which has been made a part of this
contract, and the Contractor hereby agrees to
receive such price in full for furnishing all
materials and all labor required for the aforesaid .-
work, also, for all expenses incurred by him and
for well and truly performing the same and the
whole thereof in the manner and according to this
agreement, the attached specifications, plans,
contract documents and requirements of Owner's
Representative.
40. PAYMENTS
No payments made or certificates given shall be
considered as conclusive evidence of the
performance of the contract, either wholly or in
part, nor shall any certificate or payment be
considered as acceptance of defective work.
Contractor shall at any time requested during the
progress of the work furnish the Owner or Owner's
Representative with a verifying certificate showing
the Contractor's total outstanding indebtedness in
connection with the work. Before final payment is
made, Contractor shall satisfy Owner, by affidavit
or otherwise, that there are no outstanding liens
against Owner's premises by reason of any work
under the contract. Acceptance by Contractor of
final payment of the contract price shall --
constitute a waiver of all claims against Owner
which have not theretofore been timely filed as
provided in this contract.
-41. PARTIAL PAYMENTS
On or before the tenth day of each month, the
Contractor shall submit to Owner's Representative
an application for partial payment. Owner's
Representative shall review said application for
partial payment and the progress of the work made
by the Contractor and if found to be in order shall
prepare a certificate for partial payment showing
II-20
I"
as completely as practical the total value of the
work done by the Contractor up to and including the
last day of the preceding month.
The Owner shall then pay the Contractor on or
before the fifteenth day of the current month the
total amount .of the Owner's Representative's
Certificate of Partial Payment, less 5% of the
amount thereof, which 5% shall be retained until
final payment, and further, less all previous
r payments and all further sums that may be retained
by Owner under the terms of this agreement. It is
understood, however, that in case the whole work be
near to completion, and this fact is certified to
by Owner's Representative and some unexpected and
some unusual delay occurs due to no fault or
negligence on the part of the Contractor, the Owner
may upon written recommendation of Owner's
Representative pay reasonable and equitable portion
of the retained percentage due Contractor.
42. FINAL COMPLETION AND ACCEPTANCE
r' Within thirty-one days (31) days after the
Contractor has given the Owner's Representative
written notice that the work has been completed or
r substantially completed, the Owner's Representative
and the Owner shall inspect the work and within
said time, if the work be found to be completed or
substantially completed in accordance with the
contact documents, the Owner's Representative shall
issue to the Owner and the Contractor his
certificate of completion, and thereupon it shall
be the duty of the Owner within thirty-one (31)
days to issue a certificate of acceptance of the
work to the Contractor.
43. FINAL PAYMENT
Upon the issue of the certificate of completion,
the Owner's Representative shall proceed to make
final measurement and prepare a final statement of
the value of all work performed and materials
r
furnished under the term of the agreement, and
shall certify same to the Owner, who shall pay to
the Contractor on or before the 31st day after the
date of certificate of completion,the balance due
r`
i
Contractor under the terms of this agreement,
provided he has fully performed his contractual
obligations under the terms of this contract; and
said payment shall become due in any event upon
said performance by the Contractor. Neither the
certificate of acceptance nor the final payment,
nor any provisions in the contract documents shall
relieve the Contractor of the obligation for
fulfillment of any warranty which may be required
in the special conditions (if any) of this contract
or required in the specifications made a part of
this contract.
44. CORRECTION OF WORK BEFORE FINAL PAYMENT FOR WORK
Contractor shall promptly remove from Owner's
premise all materials condemned by the Owner's
Representative on account of failure to conform to
the contract,, whether actually incorporated in the
work or not, and Contractor shall at his own
expense promptly replace such condemned material
with other materials conforming to the requirements
of this contract. Contractor shall also bear he
expense of restoring all work of other contractors
damaged by any such removal or replacement. If
Contractor does not remove and replace any such
condemned work within a reasonable time after a
written notice by the Owner or the Owner's
Representative. Owner may remove and replace it at
Contractor's expense.
45. CORRECTION OF WORK AFTER FINAL PAYMENT
Neither the final payment nor certificate nor any
provision in this contract shall relieve the
Contractor of responsibility for faulty materials
or workmanship, and he shall remedy and defects due
thereto and pay for any damage to other work
resulting therefrom, which shall appear within a
period of one (1) year from date of substantial
completion. The Owner or the Owner's Representative
shall give notice of observed defects with
reasonable promptness.
46. PAYMENT WITHHELD
The Owner may, on account of subsequently
discovered evidence, withhold or nullify the whole
or part of any certificate to such extent as may be
necessary to protect himself from loss.on account
of:
(A) Defective work not remedied.
(B) Claims filed or reasonable evidence indicating
possible filing of claims.
(C) Failure of the Contractor to make payments
promptly to subcontractors or for material or
labor.
II-22
(D) Damage to another contractor.
g
r When the above grounds are removed, or the
` Contractor provided a surety bond satisfactory to
the Owner, which will protect the Owner in the
r, amount withheld, payment shall be made for amounts
withheld because of them.
47. TIME OF FILING CLAIMS
It is further agreed by both parties hereto that
all questions of dispute or adjustment presented by
r
the Contractor shall be in writing and filed with
the Owner's Representative within fifteen (15) days
after the Owner's Representative has given any
directions, order or instruction to which the
Contractor desires to take exception. The Owner's
Representative shall reply to such written
exceptions by the Contractor and render his final
r.
decision in writing. In case the Contractor should
appeal from the decision of the Owner's
Representative, any demand for arbitration shall be
filled with the Owner's Representative and the
Owner in writing within ten (10) days after the
date of delivery to Contractor of the final
decision of the Owner's Representative. It is
further agreed that final acceptance of the work by
t
the Owner and the acceptance by the Contractor of
the final payment shall be a bar to any claim by
either party, except where noted otherwise in the
contract documents.
48. ARBITRATION
All questions of dispute under this agreement shall
be submitted to arbitration at the request of
ell
either party to the dispute.. The parties may .agree
upon one arbitration, otherwise, there shall be
three; one named in writing by each party and the
third chosen by the two arbiters selected; or if
j
the arbiters fail to select a third within ten (10)
c
days, he shall be chosen by the District Judge,
72nd Judicial District of Texas. Each arbiter shall
be a resident of the City of Lubbock. Should the
party demanding arbitration fail to name an arbiter
within ten (10) days of the demand, his right to
arbitrate shall lapse, and the decision of the
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Owner's Representative shall be final and binding
on him. Should the other party fail to choose an
arbiter within ten (10) days, the Owner's
Representative shall appoint such arbiter. Should
either party refuse or neglect to supply the
arbiters with any papers or information demanded in
II-23
writing, the arbiters are empowered by both parties
to take Ex Parte Proceedings.
The arbiters shall act with promptness. The
decision of any two shall be binding on both
parties to the contract, unless either or both
parties shall appeal within ten (10) days from date
of the award by the arbiters, and it is hereby
agreed that each party shall the right of appeal
and all proceedings shall be according to and
governed by Arbitration Statutes of Texas, being
Article 224, et seq., Vernon's Annotated Civil
Statutes. THE DECISION OF THE ARBITERS UPON ANY
QUESTION SUBMITTED TO ARBITRATION UNDER THIS
CONTRACT SHALL BE A CONDITION PRECEDENT TO ANY
RIGHT OF LEGAL ACTION.
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The arbiters, if they deem the case demands it, are
authorized to award the party whose contention is
sustained, such sums as they deem proper for the
time, expense and trouble incident to the appeal,
and if the appeal was taken without reasonable
cause, they may award damages for any delay
occasioned thereby. The arbiters shall fix their
own compensation, unless otherwise provided by
agreement, and shall assess the cost and charges of
the arbitration upon either or both parties. The
award of.the arbiters must be made in writing and
shall not be open to objection on account of the
form of proceedings or award.
49. ABANDONMENT BY CONTRACTOR
In case the Contractor should abandon and fail or
refuse to resume work within ten (10) days after
written notification from the owner or the Owner's
Representative, or if the Contractor fails to
comply with the orders of the Owner's
Representative, when such orders are consistent
with this contract, this agreement, or the
Specifications hereto attached, then the Surety on
the bond shall be notified in writing and directed
to complete the work and a copy of said notice
shall be delivered to the Contractor.
After receiving said notice of abandonment, the
Contractor shall not remove from the work any
machinery, equipment, tools, materials or supplies -,
then on the job, but the same, together with any
materials and equipment under the contract for
work, may be held for use on the work by the Owner
or the Surety of the Contractor, or another
contractor, in completion of the work; and the
Contractor shall not receive any rental or credit
II-24
therefore (except when used in connection with
Extra Work, where credit shall be allowed as
r- provided for under paragraph 24 of this contract)';
it being understood that the use of such equipment
and materials will ultimately reduce the cost to
complete the work and be reflected in the final
settlement.
In case the Surety should fail to commence
compliance with the notice for completion
hereinbefore provided for, within ten (10) days
after service of such notice, then the Owner may
provide for completion of the work in either of the
following elective manners:
(A) The Owner may employee such force of men and
use of machinery, equipment, tools, materials
and supplies as said Owner may deem necessary
to complete the work and charge the expense of
such labor, machinery, equipment, tools,
materials and supplies to said Contractor, and
the expense so charged shall be deducted and
paid by the Owner out of such moneys as may be
due, or that may thereafter at any time become
due to the Contractor under and by virtue of
this agreement. In case such expense is less
than the sum which would have been payable
under this contract, if the same had been
completed by the Contractor, then said
Contractor shall receive the difference. In
case such expense is greater than the sum which
would have been payable under this contract, if
the same had been completed by said Contractor,
then the Contractor and/or his surety shall pay
the amount of such excess to the Owner; or
,-
(B) The Owner, under sealed bids, after notice
published as required by law, at least twice in
a newspaper having a general circulation in the
County of location of the work. may let the
contract for the completion of the work under
substantially the same terms and conditions
which are provided in this contract. In case of
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any increase in cost to the Owner under the new
contract as compared to what would have been
the cost under this contract, such increase
shall be charged to the Contractor and the
,^
Surety shall be and remain bound therefore.
However, should the cost to complete any such
new contract prove to be less than that which
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would have been the cost to complete the work
under this contract, the Contractor or his
Surety shall be credited therewith.
7 II-25
When the work shall have been substantially
completed, the Contractor and his Surety shall
be so notified and certificates of completion
and acceptance, as provided in paragraph 42
hereinabove set forth, shall be issued. A
complete itemized statement of the contract
accounts, certified to be the Owner's
Representative as being correct shall then be
prepared and delivered to Contractor and his
Surety, whereon the Contractor or his Surety,
or the Owner as the case may be, shall pay
balance due as reflected by said statement
within 31 days after the date of certificate of
completion.
In the event the statement of accounts shows
that the cost to complete the work is less than
that which would have been the cost to the
Owner had the work been completed by the
Contractor under the terms of this contract, or
when the Contractor and/or his Surety shall pay
the balance shown to be due by them to the
Owner, -then all machinery, equipment, tools,
materials or supplies left on the site: of the
work shall be turned over to the Contractor
and/or his Surety. Should the cost to complete
the work exceed the contract price, and the
Contractor and/or his Surety fail to pay the
amount due the Owner within the.time designated
hereinabove, and there remains any machinery,
equipment, tools, materials or supplies on the
site of the work, notice thereof, together with
an itemized list of such equipment and -,
materials shall be mailed to the Contractor and
his Surety at the respective addresses
designated in this contract; provided, however,
that actual written notice given in any manner
will satisfy this condition. After mailing, or
other giving of such notice, such property
shall be held at the risk of the Contractor and.
his Surety,subject only to the duty of the
Owner to exercise ordinary care to protect such
property. After fifteen (15) days from the date
of said notice the Owner may sell such
machinery, equipment, tools, materials or
supplies and apply the net sum derived from
such sale to the credit of the Contractor and
his Surety. Such sale may be made at either
public or private sale, with or without notice,
as the Owner may elect. The Owner shall release
any machinery, equipment, tools, materials, or
supplies which remain on the job site and
belong to persons other than the Contractor or
his Surety, to their proper owners.
II-26
50. ABANDONMENT BY OWNER
In case the Owner shall fail to comply with the
terms of this contract, and should fail or refuse
to comply with said terms within ten (10) days
after written notification by the Contractor, then
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the Contractor may suspend or wholly abandon the
work, and may remove therefrom all machinery,
tools, and equipment, and all materials on the
ground that have not been included in payments to
the Contractor and have been incorporated into the
work. Thereupon, the Owner's Representative shall
make an estimate of the total amount earned by the
Contractor, which estimate shall include the value
of all work actually completed be said Contractor
at the prices stated in the attached proposal, the
value of all partially completed work at a fair and
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equitable price, and the amount of all Extra Work
performed at the prices agreed upon, or provided
for by the terms of this contract, and a reasonable
sum to cover the cost of any provisions made by the
Contractor to carry the whole work to completion,
and which cannot be utilized. The Owner's
Representative shall then make a final statement of
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P
the balance due the Contractor by deducting from
+
the above estimates all previous payments by the
Owner and all other sums that may be retained by
the Owner under the terms of this agreement, and
shall certify same to the Owner who shall pay to
the Contractor on or before thirty (30) days after
,..
the date of the notification by the Contractor the
balance shown by said final statement as due the
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Contractor, under the terms of this agreement.
51. BONDS
The successful bidder shall be required to furnish
a performance bond and payment bond in accordance
with Article 5160, Vernon's Annotated Civil
Statutes in the amount of 100% of the total
contract price, in the event said contract price
exceeds $25,000.00. If the contract price does not
exceed $25,000.00, the statutory bonds will not be
required. All bonds, if required, shall be
submitted on forms supplied by the Owner, and
executed by an approved Surety Company authorized
to do business in the State of Texas. And it is
further agreed that this contract shall not be in
effect until such bonds are so furnished.
52. SPECIAL CONDITIONS
7
II-27
In the event special condition are contained herein
as part of the contract documents and said special
condition conflict with any of the general
conditions contained in this contract, then in such
event the special conditions shall control.
53. LOSSES FROM NATURAL CAUSES
Unless otherwise specified herein, all loss or
damage to the Contractor arising out of the nature
of the work to be done, or from the action of the
elements, or from any unforeseen circumstances and
the prosecution of the same, or from unusual
obstructions or difficulties which may be
encountered in the prosecution of the work, shall
be sustained and borne by the Contractor at his own
cost and expense.
54. INDEPENDENT CONTRACTOR
Contractor is, and shall remain, an independent
contractor, with full, complete and exclusive power
and authority to direct, supervise, and control his
own employees and to determine the method of the
performance of the work covered hereby. The fact
that the owner or owner's Representative shall have
the right to observe Contractor's work during his
performance and to_carry out the other prerogatives
which are expressly reserved to and vested in the
owner or Owner's Representative hereunder, is not
intended to and shall not at any time change or
effect the status of the Contractor as an
independent contractor with respect to either the
Owner or Owner's Representative or to the
Contractor's own employees or to any other person,
firm, or corporation.
55. CLEANING UP
The Contractor shall at all times keep the premise
free from accumulation of debris cased by the work,
and at the completion of the work he shall remove
all such debris and also his tools, scaffolding,
and surplus materials and shall leave the work
broom clean or its equivalent. The work shall be
left in good order and condition. In case of
dispute Owner may remove the debris and charge the
cost to the Contractor.
II-28
SPECIAL CONDITIONS
THIS PAGE LEFT BLANK INTENTIONALLY
SPECIAL CONDITIONS
1. CHANGES IN THE WORK
The Local Public Agency may make changes in the scope of,the
w work required to be performed by the Contractor under the
Contract or making additions thereto, or by omitting work
therefrom, without involving the Contract, and without
b relieving or releasing the Contractor from any of his
obligations under the contract or any guarantee given by him
� ^ pursuant to the Contract provisions, and without affecting
6 the validity of the guaranty bonds, and without relieving or
releasing the surety or sureties of said bonds. All such work
shall be executed under the terms of the original Contract
7 unless it is expressly provided otherwise
Except for the purpose of affording protection against any
r- emergency endangering health, life, limb or property, the
i Contractor shall make no change in the materials used or in
the specified manner of constructing and/or installing the
improvements or supply additional labor, services or
materials beyond that actually required for the execution of
the contract, unless in pursuance of a written order from the
local Public Agency authorizing the Contractor to proceed
r with the change. No claim for an adjustment of the contract
price will be valid unless so ordered.
�. If applicable unit prices are contained in the agreement
-
(established as a result of either a unit price bid or a
Supplement Schedule of Unit Prices) the Local Public Agency may
order the Contractor to proceed with desired changes in the work,
the value of such changes to be determined by the measured
quantities involved and the applicable unit prices specified in
the contract; provided that in case of a unit price contract the
net value of all changes does not increase or decrease the
original total amount shown in the Agreement by more than twenty-
five (25%) percent.
2. SUPERINTENDENCE
1
The Superintendent and/or his assistants will not be allowed
r' to serve two functions simultaneously, such operating
machinery and acting as Superintendent at the same time. The
Superintendent must be free of individual responsibilities to
Flo enable him to give the entire project his constant attention
to facilitate the progress thereof.
3. PROSECUTION OF WORK
The Contractor may proceed with subgrade preparation of
earthwork on any schedule that he may select and on any
location in the contract unless hindered by factors beyond
his control. Not more than three (3) calendar days shall
elapse between the time subgrade preparation is begun and the
time of spreading and compaction of the caliche base.
During the construction the Contractor is to close to traffic
streets as directed by the Engineer.
The Contractor will, before starting any work on any street,
erect barricades and signs, or provide sufficient flagmen to
give notice to vehicular traffic, also two special trailer
mounted signs and arrows flash left, right or both at the
same time at least_25 times per minute, see detail 2-S-126
and Section 6E-7 of the traffic control manual.
During the period the Contractor is directing traffic over
the base, the surface shall be satisfactorily maintained by
the use of sprinkling and blading as required so that no
hazard will result. The base course shall be maintained until
the wearing surface if placed thereon.
At no time during the period of construction shall driveways
and/or alleys be left impassable between the night hours of 6
P.M. to 6 A.M. except during the construction of the curb and
gutter for which the driveways and/or alleys shall remain
closed not more than 4 days including 72 hours for curing.
The Contractor will be required to.place and level the
caliche as each block is subgraded and in no.case shall the
caliche be permitted to remain as dumped overnight.
The Contractor will, during the progress of the work, erect
and maintain for twenty-four hours a.day such barricades and
warnings necessary to give notice to vehicular and pedestrian
traffic of any and all obstructions and insofar as possible
keep the streets and/or alleys on which work is being done in
a passable condition. During the time that the curb and
gutter is being poured and cured and until the caliche is
leveled, the Contractor shall have flares and warning signs
placed at each end of the block. When the subgrade excavation
causes an abrupt drop in the driving portion of the street
the Contractor shall level the drop by dumping a sufficient
amount of approved caliche on the subgrade. During the time
the concrete is curing in the alleys and until it can be
opened to traffic, the Contractor shall maintain warning
signs on barricades with flares at each end of the block
until this alley can be opened to traffic.
III-2
The flagmen will be required to wear vests and use the type
of flag as shown on flagging detail sheet in specifications.
All equipment working on the streets will at all times have
at least two (2) red, orange or fluorescent red -orange flags
at least 16" x 1611 in size. These flags shall be mounted high
enough on the equipment so that they will be visible to all
traffic meeting or passing the equipment.
Before work is started on any street it will be the
responsibility of the Contractor to notify each property
owner that has a car or cars parked in their driveways or
garages so that each owner might have the opportunity to move
their cars.
The Contractor shall schedule his work on major thoroughfares
and collectors at least 5 days in advance, in order that
businesses may have time to adjust their plans. on all
thoroughfares and collectors, the Contractor and the City's
Representatives will work with each of the businesses,
hospitals, schools, etc., so that only part of the driveways
into their parking lots will be closed. At no time will any
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parking lot be completely closed, without prior approval from
the Owner's Representative, unless the work is being
accomplished at night and the businesses are closed. The
Contractor shall be responsible for notifying affected
businesses of the proposed work and the projected schedule
for completion of this work.
Immediately after each applications of asphalt, re-
construction or black base construction the Contractor shall
clean, remove paper, surplus aggregate or paving materials
from gutters, rubbish and temporary structures from the
street, restore in an acceptable manner all property, both
public and private which has been damaged during the
prosecution of the work, and leave the site of the work in a
neat and presentable condition throughout. The cost of the
"cleanup" shall be included as part of the cost of the
various items of the work involved, and no direct
compensation will be made for this work.
The Contractor should familiarize himself with the Texas
Manual on UNIFORM TRAFFIC CONTROL DEVICES for Streets and
Highways. Part VI, published August 31, 1979.
4. BARRICADES AND DANGER. WING AND DETOUR SIGNS ANDAND DANGER. WING AND DETOUR SIGNS AND
TRAFFIC HANDLING
The Contractor shall have the sole responsibility for
providing, installing, moving, replacing, maintaining,
cleaning and removing upon completion of work, all
III-3
barricades, warning signs, barriers, cones, lights, signals
and other such type devices for handling traffic control as
indicated in the plans or as directed by the Engineer. All
barricades, warning signs, barriers, cones,lights,signals and
other such type devices shall conform to details shown on the
plans and as indicated in the Texas Manual on Uniform Traffic
Control Devices.
The Contractor may provide special signs not covered by plans to protect the traveling public against special conditions or
hazards, provided however, that such signs are first approved
by the Engineer.
Upon completion of the work, all barricades, warning signs,
barriers, cones, lights, signals and other such type devices
and evident thereof shall be removed by the Contractor.
5. MAINTENANCE OF DETOURS
The Contractor shall do such work as may be necessary to
maintain detours and facilities for safe public travel in
accordance with the Traffic Control Plan and these
specifications. There shall be maintained in passable
condition, such temporary roads and structures as may be
necessary to accommodate public travel. Temporary approaches
and crossings of intersecting highways shall be provided and
maintained in a safe and passable condition by the Contractor
at his entire expense.
6. PUBLIC SAFETY AND CONVENIENCE
Ingress and egress to private property shall be provided as
specified in the plans or as directed by the Engineer.
The Contractor shall plan and execute his operations in a
manner that will cause the minimum interference with traffic.
The Contractor shall secure the Engineer's approval of his
proposed plan of operation. Sequence of work and methods of
providing for the safe passage of traffic before it is placed
into operation. If at any time during construction the
approved plan does not accomplish the intended purpose, due
to weather or other conditions affecting the safe handling of
traffic, the Contractor shall immediately make necessary
changes therein to correct the unsatisfactory conditions.
At night or otherwise, all equipment not in use shall be
stored in such a manner and at such locations as not to
interfere with the safe passage of traffic. The Contractor
shall provide and maintain flaggers at such points an for
such periods of time as may be required to provide for the --
safety and convenience of public travel and Contractor's
r
personnel,,and as directed by the Engineer. Flaggers shall be
English speaking, courteous, well informed, physically and
mentally able to effectually perform their duties in
safeguarding and directing traffic and protecting the work,
and shall be neatly attired and groomed at all times when on
rduty. When directing traffic, flaggers shall use standard
attire, flags and signals and follow the flagging procedures
set forth in the Texas Manual on Uniform Traffic Control
PM Devices for Streets and Highways.
7. WATER
Water for this project will be furnished by the City of
Lubbock at fire hydrants designated by the Contractor for
which there will be no charge. The Contractor will be
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furnished loading racks by the City Water and Street
Superintendent at no charge for the first rack but for each
-
additional rack there will be a charge of ten dollars. The
Contractor will also be charged ten dollars for each move of
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each loading rack after the first set-up. The loading rack
will be equipped with a valve which will be pad -locked at all
times except when the Contractor's truck is loading. The
�-
valve on the loading rack shall be used by the Contractor and
at no time will the Contractor use the fire hydrant valve.The
padlock on the rack valve shall be furnished by the
Contractor. The Contractor shall not use any fire hydrants
R
for water loading unless there is an authorized rack on the
fire hydrant. The Contractor will not be allowed to use water
from authorized loading racks except on City approved
..
projects. Water, which is supplied by the City, is intended
for use in compacting subgrade and base and maintaining dust
control. It is not the intention of the City to furnish water
for use in mixing concrete.
S. RESTRICTIONS AND REQUIREMENTS FOR CONSTRUCTION
A. The Contractor will need special permission to
be permitted to work on weekends or legal
holidays and shall do no work on any contract
item before daylight or later than one hour
after sundown, except as directed and approved by
the Engineer. No work will be allowed between November
1 and January 2, unless approved by the Engineer.
B. A 1:2 dilute emulsion treatment at a rate of .10
gallon per square yard will be applied to the
A.C. surface within ten days of the placement of
the A.C. surface.
ti
C. TEMPERATURE REQUIREMENTS (The temperature readings
to be.used will be as reported by the National Weather
Service on an hourly report [Telephone"Number 762-0141)).
(1) HMAC November 1 until April 1
a. The asphaltic mixture shall not be placed
with the air temperature is below 550F.
and falling.
b. The asphaltic mixture may be placed when
the air temperature is above 50°F and
rising.
(2) HMAC - April 1 untill November l
a. The asphaltic mixture shall not be placed
with the air temperature is below 500F.
and falling.
b. The asphaltic mixture may be placed when
the air temperature is above 450F. and
rising. —
(3) Asphalt Stabilized Base
a. The asphaltic mixture shall not be placed
when the air temperature is below 450F and
falling.
b. The asphaltic mixture may be placed when
the air temperature is above 40°F and
rising. —
The Engineer may use his discretion to require
a cover over the asphaltic mixture when hauled
from the plant to the job site.
D. Unless otherwise approved by.the Engineer, the minimum
temperature of asphaltic materials immediately after
placement by the laydown machine will be 300°F for
HMAC and 2750F for asphalt stabilized base.
E. Standby rollers shall be located at the job site
for immediate use.if needed.
F. Proof rolling will be required on subgrade,
caliche base, black base, embankment or surface.
After rain showers if deemed necessary by the
Engineer each item that was approved will be re -
rolled. The proof rolling will be performed
I Fft
with six passes
propelled 25 ton
certified weight
E
over the area using a self -
pneumatic roller with
certificate.
G. Preliminary approval, by the Engineer, of
aggregate at the pit and crusher location shall
be required, prior to delivery to local stockpiles.
Final approval of the stockpile material will be
required by the Engineer, after which no additional
aggregate will be added to the approved stockpile prior to
the sealing operation.
H. During the period of re -construction and two
course construction the Contractor will not use
private driveways for turning or parking his
equipment. Any damage to sidewalks, driveways,
slabs or curb and gutter will be repaired at the
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Contractor's expense.
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I. At no time during the reconstruction of streets
I;
will the Contractor completely close any street to --all
traffic without the Engineer's approval. On most
�-
major thoroughfares only one-half will be
reworked at a time, and, on some narrow streets
the full width will be reworked. On the two -
course streets one-half will be closed and
the traffic will be detoured on the other side.
When business are on one or both sides, shorter
shots will be made to cause less inconvenience
to the public & the businesses.
F
J. Before any portion of any street is closed to
traffic the Contractor will be required to have
sufficient equipment on the site to start the
`
reconstruction, and at no time will any section
of the closed area be left three (3) days
without some type of work being performed. If
there is a shortage of equipment to work on all
areas of the closed section then the Contractor
will be required to provide additional equipment
before the next area is closed. After the work
is started, no equipment will be removed from
this site to another. It is the intent of these
requirements to reconstruct and place the two -
i
course on the streets as listed in the
contract with the least inconvenience to the
property owners and the traveling public.
K. At no time during the construction, re -construction
or sealing and two -course maintenance will any equipment
be taken across any curb or gutter, valley gutter, alley
III-7
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l
return, or sidewalk without first placing a dirt or
caliche fill, of at least one foot, above the existing
concrete. Any broken or damaged concrete (broken or
damaged by Contractor's equipment) will be removed and
replaced at the Contractor's expense.
9. REMOVING OBSTRUCTIONS
The'Contractor shall familiarize himself with the existing
obstructions including sidewalks, trees, poles, etc., prior
to building. It shall be the Contractor's responsibility to
remove these obstructions at the direction of the Engineer
except that the utility companies will move their equipment
at no cost to the Contractor. The Contractor will receive no
compensation for delay caused by the Utility Companies in
relocating or removing their equipment.
10. TEST OF MATERIALS
The City of Lubbock laboratory test results shall be the sole
consideration for approval of materials, mix designs, .
adequacy of procedures, etc.. The results of such testing
shall be evaluated and final approval given by the Street
Superintendent.
A. CALICHE BASE MATERIALS
Before caliche materials can be used on any street,
current (not older than 30 days) test reports will
submitted to the Street Superintendent for approval.
Test reports will be required every 30 days as this
material is used on City Streets. During the
construction period, tests that fail will require
re -testing.
B. Asphalt Stabilized Base
The Contractor, or supplier of such materials, shall
submit to the City Materials Testing Lab, as soon as
possible after the Notice to Proceed is issued, a
sample for gradation testing and magnesium sulfate
testing. The gradation requirements shall meet those
established in Item 7-B(3) of Section 4 (p.8). The
maximum loss from Magnesium Sulfate testing, when
tested in accordance with ASTM C-88-76 (4 cycle),
shall not exceed fifteen (15) percent.
C. RIOT MIX AND SEAL COAT AGGREGATE
The Contractor, or supplier of such materials, shall
submit, to the City Materials Testing Lab, at least
III-8
r
ninety (90) days prior to the beginning of the sealing
operations, samples of the various grades of aggregate
(.- to be used in the reconstruction hot mix and the seal
coat operations for gradation testing, crushed face
counts, Flakiness Index tests, and magnesium sulfate
tests. The gradation requirements shall meet those
established in Texas Department of Highways and Public
Transportation (1982) Item 302.4. The crushed face
count, Flakiness Index, and Magnesium Sulfate require-
ments shall meet those established in Section IV,
Item 10 A and Item 10 A (1) (pp 27-28).
D. Cement
Certified mill tests on each car or transport.
D. Base Density Tests
The City of Lubbock Materials Testing Laboratory
will provide density tests on the caliche base and/
or black base.
NOTE: See Section IV-10-D (Laboratory
Control) for retesting material where
irregularities occur and the limits of the
specifications are exceeded for aggregate,
base materials, black base and hot -mix and
concrete construction.
11. SUBCONTRACTOR
The Contractor shall not award any work to any subcontractor
without prior written approval of the Owner, which approval
will not be given until the Contractor submits to the Owner a
written statement concerning the proposed award to the
subcontractor, which statement shall contain such information
as the Owner may require.
The Contractor shall be as fully responsible to the Owner for
the acts and omissions of his subcontractors, and of persons
either directly or indirectly employed by them, as he is for
the acts and omissions of persons directly employed by him.
The Contractor shall cause appropriate provisions to be
�^ inserted in all subcontracts relative to the work to bind
l subcontractors to the Contractor by the terms of the General
Conditions and other contract documents insofar as applicable
to the work of subcontractors and to give the Contractor the
same power as regard terminating any subcontract that the
Owner may exercise over the Contractor under any provision of
the contract documents.
r
III-9
7
Nothing contained in this contract shall create any
contractual relation between any subcontractor and the Owner
and said subcontractor will look exclusively to contractor
for any payments due subcontractor.
12. UNDERGROUND UTILITIES
The Contractor's attention is directed to the fact that
pipelines and other underground installations as may be shown
of the plans have been taken from the best available
information. There may be other pipelines or installations.
The Contractor shall save harmless the City from any and all
suits or claims resulting from damage by his operations to
any pipeline or underground installation.
It is the Contractor's responsibility, during the period of
street construction, to insure that all utility cuts in the
limits of street construction have been properly backfilled,
compacted and the top 611 inches backfilled with 3-sack
concrete. It is not the intent to require the Contractor to
provide for the utility cut repair but for the individual
utility company making the cut to provide their own repairs.
In the case of a City underground installation, the
Contractor may be required, at the Engineer's option, to
repair the cut with 3-sack cement stabilized caliche at the
unit price bid.
13. PARTIAL PAYMENTS
on or before the tenth day of each month, the Contractor
shall submit to Owner's Representative an application for
partial payment. Owner's Representative shall review said
application for partial payment and the progress of the work
made by the Contractor and if found to be in order shall
prepare a certificate for partial payment showing as
completely as practical the total value of the work done by
the Contractor up to and including the last day of the
preceding month.
14. CORRECTION OF WORKAFTER_ FINAL PARENT
Neither the final payment nor certificate nor any provision
in this contract shall relieve the Contractor of
responsibility for faulty materials or workmanship, and he
shall remedy and defects due thereto and pay for any damage
to other work resulting therefrom, which shall appear within
a period of one (1) year from date of final acceptance of the
project. The Owner or the Owner's Representative shall give
notice of observed defects with reasonable promptness.
0
15 . LABOR
The Contractor must abide by the Wage and Hour Laws of the
State of Texas, or the U.S. Department of Labor, and must not
pay less than the rate legally prescribed or as set forth
herein, whichever is higher.
Payment for time worked over forty -hours per week shall be
made at one and one-half (1-1/2) times the above prevailing
rates. Payment for time worked on legal holidays shall be
paid at two (2) time the regular governing per diem wage
rates.
Any laborer, workman or mechanic required or permitted to
work in excess of eight (8) hours per calendar day, under the
emergency exceptions to House Bill No. 115 of the 44th
Legislature invoked by HCR No. 201 of the 47th Legislature
shall be paid on the basis of eight (8) hours constituting a
days work.
The prevailing wage rates for this contract are shown in the
following pages.
F
7
THIS PAGE LEFT BLANK INTENTIONALLY
il
CURRENT WAGE DETERMINATIONS
THIS PAGE LEFT BLANK INTENTIONALLY
r
DGV:da
DFIM IITTnhi
Resolution T2502
January 8, 1987
Agenda Item #18
WHEREAS, the City Council has heretofore established the general
prevailing rate of per diem wages for each craft or type of workmen or
mechanics needed to execute public works contracts for the City of Lubbock
:in accordance with the provisions of Vernon's Ann.Civ.St., Art. 5159a; and
i WHEREAS, such wage rates were established by Resolution No. 719
enacted February 12, 1981, updated by Resolution No. 1590 enacted February
23, 1984; and
WHEREAS, such rates need to be updated at the present time in order
to reflect the current prevailing rate of per diem wages; NOW THEREFORE:
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
THAT the general prevailing rate of per diem wages for public works
contracts shall be as set forth in the following named exhibits, which
exhibits shall be attached hereto and made a part hereof for all intents
!and purposes:
Exhibit A: Building Construction Trades
Exhibit B: Paving and Highway Construction Trades
Exhibit C: Electrical Trades
Exhibit D: Overtime Rate
Exhibit E: Weekend and Holiday Rate
:Such wage rates are hereby found and declared to be the general prevailing
rate of per diem wages in all localities where public works are undertaken
on behalf of the City of Lubbock and such wage rates shall be included in
all public works contracts as provided by law.
;Passed by the City Council this 8th day of January 1987.
l
Ranett6.-Boyd, City Secretary
APPROVED T. ONTENT:
Bi 1 P yne, 0 rector of Building
Services
F
B.C..McMINN, MAYOR
APPROVED AS TO FORM:
A - 71 Z , -�,
Do ld G. Vandiver, First
Assistant City Attorney
EXHIBIT A
City of Lubbock
Building Construction Trades
Prevailing Rates
Craft
Hourly Rate
Acoustical Ceiling Installer
$11.60 --
Air Conditioner Installer
8.35
Air Conditioner Installer -Helper
5.50
Bricklayer
10.50
Bricklayer -Helper
5.00
Carpenter
11.00
Carpenter -Helper
5.50
Cement Finisher
7.35
Drywall Hanger
8.70
Electrician
10.50
Electrician -Helper
5.25
Equipment Operator -
Heavy
8.00
Light
5.70
Floor Installer
8.00
Glazier
7.50
Insulator, Piping/Boiler
9.50
Insulator -Helper
5.00 --
Iron Worker
7.30
Laborer, General
4.75
Mortar Mixer
5.60
Painter
8.75
Plumber
9.25
Plumber -Helper
6.00
Roofer
7.65 _
Roofer -Helper
4.75
Sheet Metal Worker
8.75
Sheet Metal Worker -Helper
5.50 --
Welder - Certified
8.00
r-
EXHIBIT B
Paving and Highway Construction
Prevailing Wage Rates
Craft
Asphalt Heaterman
Asphalt Shoveler
Concrete Finisher
Concrete Finisher -Helper
Electrician
Flagger
Form Setter
Form Setter -Helper
Laborer, General
Laborer, Utility
Mechanic
Mechanic -Helper
POWER EQUIPMENT OPERATORS
Asphalt Paving Machine
Bulldozer
Concrete Paving Machinist
Front End Loader
Heavy Equipment Operator
Light Equipment Operator
Motor Grade Operator.
Roller
Scraper
Tractor
Truck Driver -
Light
Heavy
Hourly Rate
$5.25
4.75
7.35
4.75
10.50
4.75
6.50
5.50
4.75
5.80
6.50
6.00
6.00
5.25
6.50
5.85
6.40
6.40
8.00
5.25
5.25
5.50
5.25
5.25
EXHIBIT C
Electric Construction Trades
Prevailing Wage Rates
Craft Hourly Rate
Power Line Foreman $11.00
Lineman Journeyman 10.45
Lineman Apprentice Series 8.90
Groundman Series 7.25
EXHIBIT D
Prevailing Wage Rates'
Overtime Rate _
The rate for overtime (in excess of forty hours per week) is 1 1/2
times base rate.
EXHIBIT E
Prevailing Wage Rates
Weekend and Holiday Rate
The rate for weekend and holiday is 1 1/2 times base rate.
Page One
MAP DIST. STREET
1993 CONTRACT MAINTENANCE PROGRAM: Thoroughfares
Two -Course: lot Course 112 Pre -Coat - 2nd Course s4 Pre-Coat,ACS N/ 3% Latex
TO
LENGTH WIDTH
30,33
5
66th Street
ELL Frankford Avenue
E ER Chicago Avenue
2,234
93
5
66th Street
E ER Chicago Avenue
E ER Bangor Avenue
763
12
2
34th Street
I-27 ROW
500' Nest of Avenue C
1,250
6.7
2
Texas Avenue
SLL 19th Street
I-27 ROW
2,935
29.30
5
62nd Street
WLL Slide Road
WLL Frankford Avenue
5.175
34
5
Frenkford Avenue 9 ER 50th Street
N ER 58th Street
2,510
14
3
50th Street
E ER Elgin Avenue
ELL Indiana Avenue
2.562
12
2
50th Street
60, East of Avenue C
I-27 ROW
1,530
13
2
50th Street
WLL Avenue Q
150' Nest of Avenue U-
2,080
28
4
98th Street
WLL University
ELL Indiana Avenue
5,210•
21
1
Rent Street
E ER I-27
N ER Quirt Avenue
5,011
4
1
University Ave
9 ER Auburn Street
9LL Clovis Road
2,080
15
4.5
Slide Road
N ER 60th Street
9 Loop ROW
1.120
19
6
Quaker Avenue
11 ER 29th Street
N ER 24th Street
1,600
OS-Nov-92
ASPHALT ROCK ROCK
--------------- ------------ --------------
RATE ASPH. RATE C.Y. RATE C.Y.
AREA D 2 9 4
42
10,425
0.30
3.128
1:62
168
0.38
3,962
1:90
116
22
1,865
0.30
560
1:62
30
0.38
709
1:90
21
74 -
10,278
0.30
3,003
1:62
166
0.38
3,906
1,90
114
78
25,437
0.30
7,631
1:62
410
0.38
9,666
1:90
283
82
47,150
0.30
14.145
1:62
760
0.39
17,917
1:90
524
22
6,136
0.30
1,041
1:62
99
r
0.38
2,332
1:90
6R
82
23.342
0.30
7,003.
1:62
376
0.39
9,870
1:90
259
76
12,920
0.30
3,876
1:62
209
0.38
4,910
1:90
144
82
19,951
5,685
1:62
306
-.Q,30
6.39
7,201
1,90
211
26
16,000'
0.30
4,800
1,62
258
.�
b!39
6,090
-
1:90
176
20
11,136 '
0.30
3,341
1:62
1"
0.39
4,232
1:90
124
80
16,500
0.30
5.550
1:62
298
0.39
7,030
1:90
20A
82
10,204
0.30
3,061
1:62
16S
0.39
3,879
1:90
113
68
12,089
0.30
3,627
1:62
195
0.30
4.594
1:90
134
Page One -TOTALS
---------
224,432
---------
144,393
------
3,620
---------
2.494
Page Two 1"3 COR77ACT MAINTERANCE PROGRAM: Thoroughfares OS-Nov-92
Two -Courser let Course 12 Pre -Coat - 2nd Course 24 Pre-Coat,ACS N/ 3% Latex
ASPHALT ROM ROCK
----------- -- -• - ----- --------------
PATE ASPH. RATE C.Y. RATE C.T.
MAP DIST. STRESS FROM TO LENGTH MOTH AREA R 2 / 4
8 2 Quirt Avon o S ER East 24th Street Alley S/East 28th St 1,600 78 13.867 0.30 4,260 1:62 224
0.38 5.269 1:90 154
14,26 3.4 66th Street NLL University Avon N ER Canton Avenue 1,400 44 6.844 0.30 2,OS7 1:62 110
0.38 2,601 1:90 76
:.
Page Two -TOTALS 20,711 9,429 334 230
TOTAL Thoroughfares - Two -Course: 245,143 IS3,823 3,954 2,724
Page Three
1993 CONTRACT MAINTENANCE PROGRAM: Thoroughfares
05-Nov-92
Crack Seel and Single Course: 14 Pre -Cost, ACS W/ 3% Latex
ASPHALT
ROCK ROCK
RATE
ASPH.
RATE C.Y. RATE
C.Y.
MAP
DIST.
STREET
FROM
TO LE"m WIDTH
AREA
1 2 4
4
9
2
Texas Avenue
SLL 4th Street
Bricks @ 7th Street 1,125 35
4,375
0.28
1,225
1:90
49
26
3.4
University Ave
S ER 66th Street
S Loop 289 RAH 1,268 84
11,835
0.28
3,314
1:90
131
26
3,4
University Ave
Loop 2" ROW
N ER 76th Street 1,080 84
10,080
0.28
2,822
1:90
112
31
4
Quaker Avenue
S ER 74th Street
Loop 289 ROW 890 82
9,109
0.28
2,270
1:90
40
36
6
Chicago Avenue
N Loop Access Road
NLL 19th Street 4.680 38
19.760
0.28
5.533
1:90
220
24
2
Quirt Avenue
NLL E 50th Street
New Paving @ Overpass 4,250 78
36,833
0.28
10,313
1:90
409
10.23
2
Quirt Avenue
NLL Idalou Road
VG @ E Broadway 1,875 78
16,250
0.28
4,550
1:90
181
10,23
2
Quirt Avenue
S ER Parkway Drive
VG @ E Broadway 2,600 78
23,227
0.28
6,503
1:90
258
Page Three - TOTALS -
130,469
36.531
1,450
Civic.Center Parking Lots -
54,800
• _
TOTAL ThoroGghfares One -Course:
.........
185,269
.........
36,531
.......
1,450
Page
Four
1993 CONTRACT MAINTENANCE PROGRAM:
Collectors
OS-Nov-92
Two -Course: lot Course
12 Pre -Coat - 2nd Course
14 Pre-CDat,ACS M/'3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
G.Y.
--------------
RATE C.Y.
MAP
DIST.
STREET
FROM
TO
LEHG`IH
WIDTH
AREA
12
14
29
5
Abbeville Avenue SLL 79th Street
NLL 82nd Street
885
38
3,737
0.30
1,121
1:62
60
'
0.38
1,620
'
1:90
42
37
6
Auburn Drive
M ER Elkhart Avenue
VG @ let Place
800
42
3,733
0.30
1,120
1:62
60
0.38
1,419
1:90
41
7
2
Avenue 8
N ER 29th Street
MLL 30th Street
465
32
1,653
0.30
496
1:62
27
0.38
628
1:90
18
7
2
Avenue C
N ER 28th Street
NLL 30th Street
792
32
2,816
0.30
.845
1:62
45
0.3R
1,070
1:90
31
7
2
Avenue D
N ER 29th Street
NLL 30th Street
415
32
1,476
0.30
443
1:62
24
0.38
561
1:90
16
5
2
Avenue E
NLL 4th Street
I-27 ROM
360
36
1.640
0.30
492
1:62
26
-
±
0.38
623
1:90
18
7
2
Avenue P
SLL 27th Street
NLL 29th Street
322
26
930
0.30
279
1:62
15
0.38
353
1:90
10
5
1
Avenue G
SLL 2nd Place
NLL 3rd Place
725
26
2.094
0.30
626
1:62
34
0.36
796
1:90
23
6
2
Avenue G
SLL 27th Street
NLL 29th Street
322
32 '
1,145
0.30
343
1:62
18
I0.36
435
1:90
13
6
2
Avenue G
S ER 26th Street
S ER 29th Street
218
26
924
--0.30
277
1:62
15
0.35
351
1*90
10
7
2
Avenue G
N ER 30th Street
N ER 32nd Street
602
32
2,140
0.30
642
1:62
35
0.38
813
1:90
24
7
2
Avenue G
S ER 32nd Street
NU 34th Street
556
44
2,718
0.30
815
1:62
44
0.39
1.033
1:90
30
25
2
Avenue J
VG @ 66th Street
NLL 70th Street
1,035
38
4,370
0.30
1,311
1:62
70
0.38
1.661
1:90
49
--------'
- 0.30
-'
5.912
0.38
11,164
Page
---------
Four - TOTALS
29,377
---------
39,953
------
474
326
^._-I --I t---7 ---) --�1 -`l --1 `--1 �7 ---1 -1 --1 �1 ---1 -.--1 7_1 71 '�
Page Five 1993 CONTRACT MAINTENANCE PROGRAM: Collectors
Two -Course: let Course 12 Pre -Coat - 2nd Course 04 Pre-Coat,ACS N/ 3% Lat
MAP
DIST.
STREET
FROM
TO
LENGTH
WIDTH
6
2
Avenue R
VG @ 29th Street
SLL Avenue R
608
22
13
2
Avenue T
SLL 50th Street
VG @ 56th Street
2,010
32
26
3
Avenue U
S Loop Access Road
Alley 3 of 74th St
690
36
26
3
Avenue U
Alley S of 74th St
NLL 82nd Street
2,515
19
26
3
Avenue N
NLL 66th Street
ELL 64th Street
910
32
33
5
Bangor Avenue
VG @ 73rd Street
S ER 76th Street
915
38
1
3
Boston Avenue
NIL 34th Street
SLL 19th Street
5,164
32
22
2
E Broadway
ELL Idalou "wT
E ER Cherry Avenue
628
28
22
2
E Broadway
E ER Cherry Avenue
E ER Holly Avenue
1,870
40
34
1
Brownfield Drive VG B Englewood Ave
ELL Dover Avenue
1,270
32
33
5
Chicago Avenue
SLL 66th Street
H ER 73rd Street
2,573
42
29
5
Chicago Avenue
S ER 89th Street
NLL 98th Street
2,752
42
2
2
Dixie Drive
VG 9 19th Street
NLL 21st Street
664
26
eft
05-Nov-92
ASPHALT
ROCS
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE
C.Y.
AREA
S
2
1
4
1,486
0.30
446
1:62
24
0.38
565
1:90
17
7,147
0.30
2.144
1:62
115
0.38
2,716
1:90
79
2,760
0.30
828
1:62
45
0.38
1,049
1:90
31
51309
0.30
1.593
1:62
86
0.38
2,018
1:90
59
3.236
0.30
971
1:62
52
0.38
1,230
1:90
36
3,063
0.30
1,159
1:62
62
.r
0.39
1,468
1:90
43
19,361
0.30
5,508'
1:62
296
0.39
6.977
1:90
204
1,954
0.30
586
1:62
32
0.36
742
1:90
22
9,311
0.30
2,493
1:62
134
0.38
3,158
1:90
92
4.516
0.30
1,355
1:62
73
0.38
1,716
1:90
50
12,100
0.30
3,630
1:62
195
0.38
4.598
1:90
134
12,843
0.30
3,853
1:62
207
0.39
4,880
1:90
143
1.918
0.30
575
1:62
31
0.38
729
------
1:90
---------
21
-------
---------
0.30
25,140
-------
0.39
---------
31,846
------
---------
Page Five - TOTALS - 83.804 56,987 1,352 931
Page
SIX
1993 CONTRACT MAINTENANCE PROGRAM:
Collectors
05-Nov-92
Two -Course: 1st Course 12
Pre -Coat - 2nd Course
14 Pre-Coat,ACS N/ 3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE
C.Y.
MAP
DIST.
STREET
PROM
TO
LENGTH NIDTH
AREA
12
1 4
34
5
Dover Avenue
SU 46th Street
NLL 40th Street
615
38
2,597
0.30
779
1:62
42
0.38
997
1:90
29
34
5
Elkhart AVenue
N ER 50th Street
SLL 48th Street
590
38
2,491
0.30
747
1:62
40
0.38
947
1:90
29
11
2
Elm Avenue
VG @ E 50th Street
VG @ E 66th Street
5,140
48
27,413
0.30
9.224
1:62
442
0.39
10,417
1:90
30S
27
a
Geneva Avenue
HLL S Loop Access Road
Cul de See to North
230
32
1,243
0.30
373
1:62
20
0.38
472
1:90
14
35
5
Gerson Avenue
SLL 27th Street
NLL 32nd Street
1,500
38
6,333
0.30
1,900
1:62
102
0.30
2,407
1:90
70
16
6
Greek Circle
ELL Quaker Avenue
ELL Quaker Avenue
1,742
38
7,355
0.30
2,207
1:62
119
,
0.38
2,795
1:90
92
le
6
N Greek Circle
NLL Greek Circle
NLL Greek Circle
1,126
38
4,754
0.30
1,426
1:62
77
0.39
11807
1:90
53
22
2
Guava Avenue
Md. E 19th Street
SU E Broadway
2,540
40
11,289
0.30
3,387
1:62
182
0.38
4,290
1:90
125
35
5
Iola Avenue
SLL 19th Street
M ER 23rd Street
1,420
38
5,996
0.30
1,7"
1:62
97
0.39
2,279
1,90
67
35
5
Iola Avenue
H ER 23rd Street
SLL 26th Street
1,132
le
2,264
0.30
679
1:62
37
0.38
860
1:90
?5
14
3
Monterey Drive
MLL 53rd Street
ELL 56th Street
700
32
2,489
0.30
747
1:62
40
0.39
946
1:90
28
14
3
Monterey Drive
ELL 56th Street
ELL 55th Street
340
26
982
0.30
295
1:62
16
0.38
373
1:90
11
16,17
Nashville Avenue VG @ 54th Street
MLL Seth Street
1.205
38
5,426
0.30
1,628
1:62
Be
I4
0.38
2,062
1:90
60
0.30
24.199
0.38
30,642
Page
Flve-TOTALS
80,632
54,830
1,301
896
Pane Seven
1993 CDMTRRNCT MAIMTEMANCE PROGRAM:
Collectors
05-Nov-92
Tura -Course: lot Course
12 Pre -Coat - 2nd Course
14 Pre-Coat,ACS
M/ 3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE C.Y.
MAP
DIST.
STREET
FROM
TO
LENGTH
WIDTH
AREA
1
2
1 4
18,19
6
Peoria Avenue
SLL Greek Circle
NLL 18th Street
1,085
32
3.959
0.30
1,157
1:62
62
0.38
1,466
1:90
43
19
6
Peoria Avenue
SLL 28th Street
HLL 30th Street
640
26
1,849
0.30
555
1:62
30
0.38
703
1:90
21
16
4
Peoria Avenue
VG @ 54th Street
NLL 58th Street
1,280
38
5,404
0.30
1,621
1:62
87
0.38
2,054
1:90
60
19
6
Quinton Avenue
SLL Brownfield Drive
HLL 26th Street
540
32
1,920
0.30
576
1:62
31
0.39
730
1:90
21
15.16
4
Salem Avenue
SLL 50th Street
MLL 55th Street
1,584
38
6.688
0.30
2.006
1:62
108
0.38
2,541
1:90
74
15
4
Salem Avsmn
SLL 65th Street
MLL 67th Street
719
32
2,553
0.30
766
1:62
41
0.30
970
1:90
26
18
I
6
Salisbury Avenue SLL Sth Street
HLL loth Street
1,445
32
5,139
0.30
1,541'
1:62
83
0.38
1,952
1:90
57
23
2
Teak Avenue
VG d Idelou Hwy
SLL E 15th Street
320
32
1,138
0.30
341
1:62
18
0.38
432
1:90
13
15
4
Toledo Avenue
9 ER filet Street
M ER 67th Street
1,970
32
7,004
0.30
2,101
1:62
113
0.38
2,662
1:90
78
20
6
Utica Avenue
NLL R'hlsperwood Blvd
N ER 2nd Street
425
32
1.511
0.30
453
1:62
24
0.39
574
1:90
17
18
6
Utica Drive
VG 0 19th Street
HLL 17th Street
1,014
38
4.291
0.30
1,284
1:62
'69
0.38
1,627
1:90
48
23
2
Venda Avenue
SLL R Broadway
N ER Idelou Hwy
1,120
32
3,902
0.30
1,195
1:62
64
0.38
1,513
1:90
44
8
2
Heber Drive
MLL Quirt Avenue
Cul de Sac
2,180
32
8.201
0.30
2,460
1:62
132
0.38
3,116
1:90
---------
91
---------
0.30
---------
16,059
------
0.38
20,341
Page
Seven -TOTALS
53,528
36,399
863
595
Pnge
Eight
1993 COMTRACT MAINTENANCE PROGRAM:
Collectors
05-14nv-92
Two -Course: 1st Course
02 Pre -Coat - 2nd Course
04 Pre-Coat,ACS N/ 3% Latex
ASPHALT
ROCK
ROCK
RATE
ASPH.
RATE
C.Y.
RATE C.Y.
MAP
DIST.
STREET
FROM
TO
LENGTH
WIDTH
AREA
12
4 4
23
2
Zenith Avenue
SLL E 16th Street,
NLL E 19th Street
1,205
18
2,590
0.30
777
1:62
42
0.38
984
1:90
29
5
1
2nd Place
E ER Avenue H
I-27 ROW
725
32
2,578
0.30
773
1:62
42
0.38
980
1:90
29
3
1
Sth Street
E ER University
WLL Avenue S
3,190
32
11,342
0.30
3.403
1:62
183
0.39
4,310
1:90
126
39
. 6
6th Street
ELL Brownfield Hwy
WL6 Boston Avenue
1,650
44
7.390
0.30
2,217
1:62
119
0.30
2,808
1:90
82
3
1
eth Street
WLL Avenue X
ELL University
616
32
2,190
0.30
657
1:62
35
0.38
832
1:90
24
3
1
9th Street
ELL University
WLL Avenue 5
4,510
32
16,036
0.30
4,811
1:62
259.r
0.30
6,094
1:90
118
3
1
13th Street
WLL Avenue T
ELL Avenue U
625
38
2,639
0.30
192
1:62
43
0.39
1,003
11-90
<"9
10
1
E 14th Street
E ER Date Avenue
Deadend E of Elm
1,147
48
6,117
0.30
1,835
2:62
99
0.39
2,325
1:90
68
23
2
E 15th Street
WLL yanda Avenue
ELL Quirt Avenue
1,570
32
5,592
0.30
1,675
1:62
90
0.38
2,12I
1:90
62
18
+ 6
loth street
ELL Quaker Avenue
nt, Norfolk. Avenue
11500
26
4,333
0.30
1,300
1:62
70
0.38
1,647
1:90
J8
2
2
21st Street
ELL Avenue Q
WLL Avenue P
605
26
1.746
0.30
524
1:62
28
0.38
664
1:90
19
2
2
22nd Street
ELL Avenue Q
WLL Avenue P
602
32
2,140
0.30
642
1:62
35
0.38
813
1:90
24
19
6
22nd Street
WLL Nashville Avenue
ELL Oxford Avenue
630
32
2,240
0.30
672
1:62
36
0.38
851
1:90
25
-------
-
0.30
20,077
0.38
25,431
Page
---------
Eight -TOTALS
66,925
---------
45,509
------
11079
---------
744
�....� --1 7--1 '-1
- -1 __j
Pegs Nine 1993 CONTRACT MAINTENANCE PROGRAM: Collectors 05-Nov-92
Two -Course: 1st Course 02 Pre -Coat - 2nd Course 04 Pre-Coat,ACS N/ 3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE
C.Y.
NAP
DIST.
STREET
FROM
TO
LENGTH
WIDTH
AREA
1 2
0 4
7
23rd Street
Brick @ Avenue H
New Paving @ I-27
230
26
664
0.30
1"
1:62
11
0.38
252
1:90
7
19
6
25th Street
WLL Nashville Avenue
Deadend to Nest
310
26
896
0.30
269
1:62
14
0.39
340
1:90
10
19
+ 6
26th Street
NU Nashville Avenue
Parking Lot to N
302
36
1,208
0.30
362
1:62
19
0.38
459
1:90
13
6,7
2
27th Street
N ER Avenue D
1-27 R011
1.145
26
3.308
0.30
992
1:62
53
0.39
1.257
1:90
37
35
5
27th Street
VG @ Frankford Avenue
ELL Genoa Avenue
634
38
2,677
0.30
803
1:62
43
0.38
1,017
1,90
30
1
3
27th Street
ELL Boston Avenue
VG @ University
1.2%
26
3.744
0.30
1,123
1:62
60
.*
0.36
1,423
1:90
42
6,7
2
28th Street
I-27 RON
Avenue D
1,220
26
3,524
0.30
1,057
1,62
57
0.38
1,339
1,90
39
6,7
2
29th Street
NI.L Avenue D
1-27 RON
1,345
26
3,886
0.30
1.166
1:62
63
0.38
1,477
1:90
43
19
6
29th Street
NU Quaker Avenue
ELL Salem Avenue
1,150
38
4,856
0.30
1.457
1:62
78
0.38
1,845
1:90
54
7
2
30th Street
VG @ Avenue A
I-27 RON
2,450
26
7,018
0.30
2,123
1:62
114
0.38
2.690
1:90
79
1
3
30th Street
WLL Canton Avenue
WU Boston Avenue
950
26•
4,445
0.30
1,334
1:62
72
0.38
1,609
1:90
49
7
2
31st Street
N ER Avenue D
I-27 RON
1,250
26
3.611
0.30
1.083
1:62
59
0.38
1.372
1:90
40
1
3
31st Street
NLL Boston Avenue
WLL Canton Avenue
329
26
948
0.30
284
1:62
IS
0.38
360
1,90
---------
11
---------
0.30
---------
12.253
------
0.36
15,521
---------
---------
Page Nine -TOTALS
40.844
---------
27,774
------
659
454
Page
Ten
1993 CONTRACT MAINTENANCE PROGRAM:
Collectors
05-fbv-92
Two -Course: 1st Course
42 Pre -Coat - 2nd Course
44 pre-Coat,ACS
N/ 3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE
C.Y.
MAP
DIST.
STREET
FROM
TO
LENGTH
Rim"
AREA
1
2
4
35
5
32nd
Street
N ER Genoa Avenue
VG @ Prankford
700
38
2,956
0.30
887
1:62
48
0.38
1,123
1:90
33
34
5
42nd
Street
ELL Dover Avenue
Nlb Chicago Avenue
545
32
1,936
0.30
581
1:62
31
0.38
736
1.90
22
34
5
46th
Street
Chicago Avenue
N ER Dover Avenue
672
38
2,837
0.30
851
1:62
46
0.38
1,078
1:90
32
34
3
46th
Street
N ER Dover Avenue
ELL Englewood Avenue
900
32
3,200
0.30
960
1:62
52
0.38
1,216
1:90
36
34
4
47th
Street
NLL Dover Avenue
ELL Englewood Avenue
905
32
3.217
0.30
965
1:62
52
0.38
1,222
1:90
36
11
�;
E 47th Street
E ER Globe Avenue
Deadend E of Globe
895
48
4,773
0.30
1,432
1:62
77
.
-
0.38
1,814
1:90
53
34
5
48th
Street
NLL Chicago Avenue
ELL Englewood Avenue
1,555
38
6,566
0.30
1,970
1:62
106
0.38
2.495
1:90
73
34
5
49th
Street
ELL Elkhart Avenue
NLL Chicago Avenue
945
38
3.990
0.30
1.197
1:62
64
0.38
1,516
1:90
44
15
4
53rd
Street
ELL Salem Avenue
NLL Quaker Avenue -
1,235
32
4,391
0.30
1,317
1:62
71
0.38
1,669
1:90
49
14
3
53rd
Street
ELL Indiana Avenue
NU Monterey Drive
610
32
2,169
0.30
651
1:62
35
0.38
824
1:90
24
14
3
53rd
Street
VG @ Gary Avenue
NLL Monterey Drive
796
32
2,830
0.30
849
1:62
46
0.38
1,075
1:90
31
16,17
4
54th
Street
NLL Indiana Avenue
ELL Memphis Avenue
2.555
32
9,084
0.30
2,725
1:62
147
0.39
3,452
1,90
101
16
4
54th
Street
ELL Quaker Avenue
NU Memphis Avenue
2,600
38
10,978
0.30
3.293
1:62
177
0.38
4,172
1:90
122
-----'
0.30
--
17,679
0.38
22,392
---------
Page
---------
Ten -TOTALS
58,929
---------
40,072
------
950
555
Page
Eleven
1993 CONTRACT MAINTENANCE PROGRAM: Collectors
OS-Nov-92
Two -Course: let Course
02 Pre -Coat - 2nd Course
14 Pre-Coat,ACS M/ 3% Latex
ASPHALT
ROCK
ROCK
---------------
RATE
ASPH.
------------
RATE
C.Y.
--------------
RATE C.Y.
HAP
DIST.
STREET
FROM
TO
LENGTH
WIDTH
AREA
1
2
1 4
15.16
4
54th
Street
RLL Quaker Avenue
ELL Salem Avenue
1.258
32
4,473
0.30
1,342
1:62
72
0.38
1,700
1':90
So
13
2
54th
Street
ELL Avenue U
RLL Temple Avenue
6S0
38
2,744
0.30
823
1:62
44
0.38
1,043
1.90.
30
13
2
54th
Street
ELL Temple Avenue
M1.L Avenue T
310
32
1,102
0.30
331
1:62
18
0.38
419
1:90
12
15.16
4
55th
Street
NLL Quaker Avenue
VG @ Salem Avenue
1,314
32
4,672
0.30
1,402
1:62
75
0.38
1,775
1:90
52
34
5
58th
Street
N ER Bangor Avenue
Rid, Chicago Avenue
700
38
2,956
0.30
887
1:62
48
0.38
1,123
1:90
33
34
5
58th
Street
Wbl Chicago Avenue
R Loop Access Road
1,100
19
2,322
0.30
697
1:62
37
0.38
882
1:90
26
33
5
6Rth
Street
M ER Slide Road
HId. Albany Avenue
1.260
42
5.880
0.30
1.764
1:62
95
0.38
2,234
1:90
65
26.27
4
69th
Street
VG @ University
ELL Elgin Avenue
1,248
32
4,437
0.30
1,331
1:62
72
0.38
1.686
1:90
49
25
2
70th
Street
I-27 RON
R ER Avenue L
830
38
3,504
0.30
1,051
1:62
57
0.38
1,332
1:90
39
30.33
5
73rd
Street
N ER Chicago Avenue
ELL Frankford Avenue
2,3d0
42
11,107
0.30
3,332
1:62
179
0.38
4,221
1:90
123
26
3
78th
Street
VG g University
VG @ Avenue U
2,550
38
10,767
0.30
3,230
1:62
174
0.38
4,091
1,90
120
26
3
79th
Street
VG @ University
VG @ Avenue X
400
32
1,422
0.30
427
1:62
23
0.38
540
1:90
16
38
4
64th
Street
RLL Avenue P
Deadend N of Avenue P
410
38
1,731
0.30
S19
1:62
28
0.38
658
1:90
---------
19
---------
---------
0.30
17.136
------
0.38
21.705
---------
Page
---------
Eleven- TOTALS
57,118
---------
36,840
------
921
63S
Page Twelve 1993 CONTRACT MAINTENNICE PROGRAM: Collectors 05-Nov-92
Two -Course: Ist Course 12 Pre -Coat - 2nd Course 14 pre-Coat,ACS N/ 3% Latex
ASPHALT ROCK ROCK
RATE ASPH. RATE C.Y. RATE
MAP DIST. STREET FROM TO I.F.NGTH WIDTH AREA 6 2 11 4
31 4 84th Street ELL Quaker Avenue N ER Orlando Avenue 960 38
4,053
0.30
1,216 1:62 65
0.38
1.540 1:90 •15
• 29 5 09th Street N ER Clinton Avenue ALL Chicago Avenue 375 38
1,583
0.30
475 1:62 26
0.39
602 1:90 18
32 5 92nd Street 70 Q Vicksburg Avenue E ER Slide Road 2,096 42
9,781
0.30
1,934 1:62 Ise
0.38
3,717 1:90 :09
0.30
4.626
0.38
5,ase
Page Twelve- TOTALS -
15,418
10.484
249
:71
TOTAL Collectors
- Two-Course:�486,514
0.30
145,971
7,846
5,106
0.38
184,899
TOTAL Thoroughfares
- Two -Course:
245,143
0.30
63,703
3954
21124
0.38
80.690
Civic Center
Parking Lots:
54,800
TOTAL Thoroughfares
- One -Course:
130,469
0.28
36,531
1.150
29,SA0
G R A N D
T 0 T A L-
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a511,795a
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MATERIALS OF CONSTRUCTION
THIS PAGE LEFT BLANK INTENTIONALLY
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MATERIALS OF CONSTRUCTION
1. GENERAL
The following paragraphs give the specifications on the
various materials which are to be used in this project. On
minor items a certificate from the manufacturer may be
required, certifying that the material or equipment meets the
specifications for such material as specified herein. All
materials shall be subject to the approval of the Engineer
before being used.
2. CONCRETE
A. Cement
Cement shall conform to "Standard Specifications and Test
for Portland Cement, "A.S.T.M." Serial Designation C150,
Type I and Type III, and shall be an approved brand.
B. Aggregate
Concrete aggregates shall consist of natural, washed and
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screened sand, and washed and screened gravel or clean
crushed stone conforming to "Standard Specification for
Concrete Aggregate, "A.S.T.M. Serial Description C-33-39
and item No. 360 of the Texas State Highway
Specifications. Coarse aggregate for Class "C" Concrete
(Street Paving) shall be crushed limestone (Brownwood
Type). The aggregate shall be well graded from coarse to
fine and shall be free from injurious amount of clay, soft
or flaky materials, loam or organic impurities. All
aggregate shall be approved by the Engineer before use.
Maximum size of aggregate shall be 1-1/2 inches. Aggregate
for concrete construction proposed to be used in this
project shall have a loss not to exceed 18% when subjected
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to 5 cycles of the Magnesium Sulfate soundness test
A.S.T.M. Designation C-88-90.
Stockpiles
The location of all stockpiles of aggregate shall be
approved by the Engineer prior to unloading as to zoning
requirements, smoothness and compaction of the ground, and
traffic conditions. Stockpiles of aggregate to be
incorporated into the project shall be protected from dust
by drift fences of any suitable material approved by the
Engineer, when sandstorm possibilities exist. Care will be
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7 IV-1
taken to prevent ,dusty conditions in the stockpile area
from any sources.
C. Water
Water shall be clean, clear, free from oil, acid or organic
matter and free from injurious amounts of alkali, salts or
other chemicals.
D. Concrete Materials Test
Pre -Construction Tests
The contractor will submit test certificates from an
approved commercial laboratory on all aggregates proposed
for use on this work. Tests should be made approximately
20 days before beginning the concrete operation.
The contractor will submit in advance of construction the -
design mix and the result of compression tests made by a
commercial laboratory. These will be made on each type of
concrete mix design proposed for use on this project.
Tests shall be made on 6 cylinders for each mix, 3 tested
in 3 or 7 days, 3 tested at 7 or 28 days. Additional tests
shall be furnished if material source is changed or if
concrete used varies from the original design.
The Engineer shall approve the mix design after the pre -
construction tests have been completed.
Construction Tests
Tests of the aggregates and the concrete will be made by
the Engineer during construction to determine conformity
with the specifications. Test cylinders will be made in
accordance with the Method of Making and Curing Concrete
Compression and Flexure Test Specimens in the Field (ASTM
Designation C-31). The specimens shall be cured under
standard moisture and temperature conditions in accordance _
with requirements of ASTM C-31.
Strength tests shall be made, in general, for each day's -,
run or for each 50 cubic yards of concrete if a day's run
greatly exceeds this amount but these tests may be made
entirely at the discretion of the Engineer. Strength tests _
on Class "C" Concrete shall be made for approximately each
30 cubic yards or every third truck on each days run. The
costs of all such testing will be borne by the City but the
Contractor shall cooperate in securing and storing samples
and shall furnish all materials required for sampling.
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A strength test shall consist of five standard test
cylinders made from a composite sample obtained in
accordance with the requirements of ASTM Designation C-172.
Two of the cylinders shall be tested at 3 or 7 days and at
7 or 28 days. The fifth cylinder shall be held available
for subsequent testing, if determined necessary by the
Engineer. The test result shall be the average of the two 7
or 28 day specimens, except that, if one specimen in the
test shows manifest evidence of improper sampling, molding,
or testing, it shall be discarded and the remaining two
strengths averaged. Should more than one specimen
representing a given test show definite defects, due to
improper sampling, molding or testing, the entire test
shall be discarded.
The result of the 7 or 28 day strength tests shall be used
as the basis for accepting or rejecting the concrete
represented.
The results of the 3 or 7 day strength tests will be
compared with the 3 or 7 day strength of the
preconstruction test cylinders for the type and slump of
the concrete being produced. Should the 3 or 7 day
strengths indicate a deficiency in the 7 or 28 day
strengths, the Engineer may require a temporary change in
proportions to correct such deficiency. Such change shall
remain in effect until the 7 or 28 day strength of the
material in question is determined, at which time the
change shall become permanent or shall be rescinded,
depending upon the results of the 7 or 28 day test.
The engineer shall record the delivery ticket number for
the concrete and the exact location in the work at which
each load represented by a strength test is deposited.
E . Concrete Design
Concrete conforming to these specifications may be "Ready
Mix" but transporting vehicles shall be operated such as to
insure delivery and placement in forms without loss or
segregation of ingredients and within one hour of mixing
time. Continuous mixing during transit will be insisted
upon.
f Mix Design
All concrete for curb and gutter, valley gutters, fillets
and alley stubs, alley slabs, drainage channels, inlet
boxes, headwalls, and medians shall be Class A concrete
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with 5% air entrainment (±1-1/2% tolerance). The concrete
mix design shall be based on water -cement ratio, and shall
be as follows for the different classes of concrete.
Minimum Sacks Max. Gal. Max. Slump
Class Cement per C.Y. Water per sack in inches
A 5 6.5 4 —
C 6 6 3
E . 5.5 5.5 3
F 6 5.5 2
The concrete mix design for the different classes shall
also be such that the compressive and flexural strength for
each class shall not be less than the following:
Minimum Average for
Class any test —
3 day 7 day beam strength 28 day
A --- 2100 ..-- 3000
C -- 3000 600 3600 —
E 2500 .3000 =-- ---
F 2900 3500 -- Any concrete failing to meet these strength requirements or
air content shall be removed and replaced.
Low Strenath Concrete
Any class of concrete incorporated in any part of the
project which does not meet the strength requirements
specified above, shall be considered low strength concrete.
Low strength concrete shall be removed and replaced at the
expense of the Contractor.
The Engineer shall determine the exact limits of any low -
strength concrete required to be removed and replaced under
the provisions of this paragraph. The methods to be used
in removing and replacing such concrete shall be approved
by the Engineer.
F. Classification
Unless otherwise shown on the plans: Class A concrete
shall be used for.curb and gutter, drainage channels,
medians, inlet boxes, headwalls and sidewalks; Class C
concrete shall be used for concrete paving and valley
gutters constructed in thoroughfare and collector streets;
Class E concrete shall be used for valley gutters on
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streets other than thoroughfares and collectors and for
alley returns, alley paving and reinforced gutter sections;
Class F concrete is used for railroad sections.
G. Mixing
All aggregates shall be accurately weighed or measured by
volume. The concrete shall be mixed in an approved batch
mixer equipped with an accurate water measuring tank, and
shall be mixed for one and one-half minutes after all
material is in the mixer. "Ready Mixed" or "Transit
Mixed" concrete may be used. If used it shall conform to
these specifications and the "Standard Specifications for
Ready Mixed Concrete," A.S.T.M. Serial Designation C94-38
and Item No. 502 of the Texas State Highway Specifications.
After mixing, the concrete shall be transported to the
forms in a manner which will prevent separation or
segregation of the aggregates and shall be placed without
undue delay. It shall be deposited as nearly as
practicable in its final position in order to avoid
rehandling or flowing of the concrete. No water shall be
added to the concrete to facilitate finishing.
H. Curing Compounds
Compounds used to form an air tight membrane over fresh
concrete surface for curing purposes shall conform to Item
526, Texas State Highway Specifications and "A.S.T.M."
Serial Designation C-309.
3. REINFORCING MATERIALS
A. Wire Mesh
Wire mesh reinforcing shall conform to "Standard
Specifications for Welded Steel Fabric for Concrete
Reinforcement" ASTM Designation A-185.
Mesh reinforcement shall be of the size shown on the plans.
All reinforcement shall be permanently marked with grade
identification marks or shall, on delivery, be accompanied
by a manufacturer's guarantee of grade and compliance with
these specifications. Reinforcement stored on the site
shall be protected from accumulations of grease, mud or
other foreign matter and from rust producing conditions and
shall be free from rust, scale, oil, mud or structural
defects when incorporated into alley slab, or valley
gutters.
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B. Bar Reinforcing
Reinforcing steel to be used on this project shall conform
to A.S.T.M. Designation A-432 and shall be deformed to
A.S.T.M. 305 requirements unless otherwise shown on the
plans.
C. Fiber Reinforcing
(1) The fiber used shall be 100 percent virgin
polypropylene collated, fibrillated fibers
specifically manufactured for use as concrete
reinforcement, containing no reprocessed olefin
materials.
(2) The physical characteristics of the fiber to
be used is as follows: Specific Gravity -0.91;
Tensile Strength - 70 to 110 ksi; Length of
fibers - 1/211.
(3) Fibrous concrete reinforcement materials
provided by this section shall produce concrete
conforming to the requirements for each type and
class of concrete listed in Section IV-2-E.
Quantities to be used shall conform to
manufacturer's recommendations, unless otherwise
directed by the Engineer.
4. JOINT MATERIAL
A. Expansion Joint Materials
Bituminous premolded expansion joint material shall conform to Item No. 420.2 (a) of the Texas State Highway Department
Specifications.
Expansion joints shall be placed as shown on the plans or
as directed by the Engineer.
B. Joint Sealing Material
Joint sealing material shall be W.R. Meadows sof-seal.or
approved equivalent
5. FORMS
Forms for curb and gutter and alley paving may be of wood or
metal, of a section satisfactory to the Engineer, straight,
free of warp, and a depth equal to the depth of the concrete �-
section formed. Forms shall be constructed accurately to the
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line and grade as established in the field, shall be
adequately braced so that they will not move during the
placing of the concrete, and shall remain in place at least
twelve (12) hours after placing concrete. Forms shall be
oiled with a light oil before each use and forms which are to
be re -used shall be cleaned immediately after each use and
maintained in good condition. Curb forms shall be such that
the face of the curb can be formed by use of a face form held
in place by steel templates. Forms used for curb shall meet
all of the above specifications, except that face forms on
curb radii may be omitted if a true section and an accurate
flow can be obtained by other methods approved by the
Engineer. In no case will a concrete pour be started without
the approval of the Engineer. No forms shall be placed until
the subgrade is within inch (1") of its finished grade. Forms
for alley slabs may be used as a guide for screeding. Where
longitudinal construction joints are required, the form shall
be so constructed as to provide a 1-1/8 inch "V" shaped groove
in the face.
6. FLEXIBLE BASE (CALICHE)
A. Description
"Flexible Base (Caliche)" shall consist of a foundation
course for surface course or for other base courses. It
shall be composed of caliche and stone materials and shall
be constructed as herein specified in one or more courses
r. in conformity with the typical sections shown on plans and
to the lines and grades as established by the Engineer.
B. Material
(1) The material for the base course shall consist of
argillaceous limestone, calcareous or calcareous clay
particles, conglomerate, gravel, sand or other granular
materials. The material source shall be approved by
the Engineer. All the acceptable material shall be
crushed and returned to the screened material again in
such manner that a uniform product will be produced.
Samples for testing the material shall be taken prior
to the compaction operations.
(2) The material will conform to the requirements:
Sieve Size 2" 1-1/2" 7/8" 1/2" #4 #40
-------------------------------------------------------
r $ retained 0 0-5 8-30 30-55 50-70 70-90
f
Material passing the No. 40 sieve shall be know as
"Soil Binder" and shall meet the following requirements
F IV-7
when prepared in accordance with Test Method Tex 101-E
procedures
Liquid Limit - 45 maximum; plasticity
Index - 15 maximum, 3 minimum; and, _
Linear Shrinkage - 10 maximum
(3) Wet Ball Mill Test of Flexible Base Material
The material, when tested in accordance with Texas --
Method 116-E, shall have a maximum allowable value of
55.
7. ASPHALT STABILIZED BASE -PLANT MIX (THD Item 292)
A. Description
This item shall consist of base courses to be composed of a
compacted mixture of graded gravel base material from
sources approved by the Engineer, (Once the source is
selected the contractor will not change to another source
without the Engineer's approval) and asphaltic material,
mixed hot in an approved mixing plant. The percent asphalt
shall be determined by the Engineer in accordance with Test
Method Tex 126-E and Tex 204-F or other established
procedures
B. Materials
(1) Mineral Aggregate (Graded Gravel)
The material shall be crushed and shall be screened as
necessary to meet the requirements hereinafter
specified and shall consist of durable aggregate
particles otherwise specified below.
(2) Stockpiling, Storage. Proportioning and Mixing
Stockpiling of Aggregates. Prior to the mixing
operations with asphaltic material, processed mineral.
aggregate shall be stockpiled on an area previously
cleared of trash, weeds and grass and smoothed as
directed by the Engineer. The aggregate stockpiles
shall be not less than 10 feet in height and
constructed in layers not exceeding 18 inches in depth
or as directed by the Engineer. The plant shall have
and maintain at least a -two day supply of aggregate on
hand unless otherwise directed by the Engineer. -
Material shall be stockpiled in such a manner as to
prevent segregation of aggregate and mixing of
aggregate from stockpiles and/or other sources. The -
gradation requirements for the individual stockpiles
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and proportioning from these stockpiles will be the
contractor's responsibility.
(3) Gradation
Unless otherwise specified, the grading of the mineral
aggregate shall conform to the limitations as shown
below:
This mixture shall meet the T.H.D. 1982 Specification
Item (292)
Grade 4 -- Grading requirements percent retained -sieves
1-1/211 7A8" 1/2" JA L4
0 8-30 30-55 50-70 70-90
Material passing the No. 40 sieve shall be known as
"Soil Binder" and shall meet the following requirements
when prepared in accordance with the Test Methods Tex
-101-E procedure:
The liquid limit shall not exceed................45
The plasticity index shall not exceed ............ 15
The linear shrinkage shall not exceed ............ 05
r Samples for testing the material shall be taken prior
to the mixing operations. Where more than one material
,., is used, tests will be on the combined materials.
The mineral aggregate shall not contain more than 0.5%
moisture prior to entering the pugmill for mixing with
asphalt.
C. Asphaltic Materials
Asphalt for the paving mixture shall be of the type as
determined by the Engineer and shall meet the requirements
of Item 300, THD Specs, 1982 "Asphalt, Oils, and
Emulsions." The grade of asphalt used shall be designated
by the Engineer. The contractor shall notify the Engineer
of the source of his asphaltic material prior to design or
production of the asphaltic mixture and this source shall
not be changed during the course of the project, except
when authorized by the Engineer.
(1) Asphaltic Stabilized Mixture
The mixture shall consist of a uniform mixture of
mineral aggregate and asphaltic material. The mineral
aggregate will conform to the gradation requirements
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specified. The asphaltic material shall form from 4 to
9% percent of the mixture by weight. The design
percent asphalt shall be determined in accordance with
Test Method Tex.-126-E or Test Method Tex.-204-F and
procedures outlined in the SDHPT Bulletin C-14. The
percent of asphalt in the mix shall be determined by
Extraction ASTM D-2172, ASTM D-4125 Method of Test for
asphalt content by Nuclear Method, Test Method Tex-210
-F or Test Method.Tex.-126-F.
(2) Tack Coat
Asphaltic materials shall meet the requirements of the
Item, "Asphalts, Oils, and Emulsions THD Item 30011, as
approved by the Engineer.
(3) Tolerances
The Engineer will designate the asphalt content to be used
in the mixture after design tests have been made with the
aggregate to be used in the project. When tested as
determined by the Engineer, samples of the mixture shall
not vary from the asphalt content designated by the
Engineer by more than 0.2 percent dry weight (based on
total mixture).
Asphaltic concrete pavement and asphaltic stabilized base
shall be machine layed and the equipment shall meet the
requirements of THD 1982 specifications Item 528.
Automatic screed controls for concrete spreading and
finishing machines.
8. EQUIPMENT — MIXING PLANTS BLACK BASE AND HOT -MIX
All equipment for the handling of all materials and mixing and
placing of the mixture shall be maintained in good repair and
operating condition and subject to approval of the Engineer.
Any equipment found to be defective and affecting.the quality
of the mixture will be replaced.
Mixing plants may be the weigh -batch type or the continuous
mixing type or the drum mix type. All types of plants shall be
equipped with satisfactory conveyors, power units, aggregate
handling equipment, bins and dust collectors and shall consist
of the following essential pieces of equipment.
When requested by the Engineer, weigh -batch and continuous
types of mixing plants shall be equipped with automatic
proportioning devices in accordance with the Item, "Weighing
and Measuring Equipment." If automatic recording devices are
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required by the plans, they shall be in accordance with the
THD Item, "Weighing and Measuring Equipment."
A. Weigh -Batch Tune
(1) Cold Aggregate Bin and Proportioning Device
r` The number of compartments in the cold aggregate bin
shall be equal to or greater than the number of
stockpiles of individual materials to be used.
The bin shall be of sufficient size to share the amount
of aggregate required to keep the plant in continuous
operation and of proper design to prevent overflow of
material from one compartment to another. The
proportioning device shall be such as will provide a
uniform and continuous flow of aggregate in the desired
proportioning in a separate compartment.
(2) Dryer
r" The dryer shall be the type that continually agitates
the aggregate during heating and in which the
temperature can be so controlled that the aggregate
�- will not be injured in the necessary drying and heating
operations required to obtain a mixture of the
specified temperature. The burner, or combination of
burners, and type of fuel used shall be such that in
the process of heating the aggregate to the desired or
specified temperature, no residue from the fuel shall
adhere to the heated aggregate. A recording thermometer
r^ shall be provided which will record the temperature of
the aggregate prior to the mixing operation. The dryer
shall be of sufficient size to keep the plant in
., continuous operation.
(3) Screening and Proportioning
The screening capacity and size of the hot aggregate
bins shall be sufficient to screen and store the amount
of aggregate required to properly operate the plant and
r- to keep the plant in continuous operation at full
capacity. The hot bins shall be constructed so that
oversize and overload material will be discarded
through overflow chutes. Provisions shall be made to
enable inspection forces to have easy and safe access
t to the proper location on the mixing plant where
representative samples may be taken from the hot bins
r for testing. The plant shall be equipped with at least
three hot bins. The aggregate shall be separated into
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IV-11
the number of bins indicated on the plans or as
directed by the Engineer.
(4) Aggregate Weigh Box and Batching Scales
The aggregate weigh box and batching scales shall be of
sufficient capacity to hold and weigh a complete batch
of aggregate. The weigh box and scales shall conform to
the requirements of T.H.D. Item 520,1982, "Weighing and
Measuring Equipment.,,
(5) asphaltic Material Bucket and Scales
The asphaltic material bucket and scales shall be of
sufficient capacity to hold and weigh the necessary
asphaltic material for one batch. If -the material is
measured by weight, the bucket and scales shall conform
to the requirements of the Item, "Weighing and
Measuring Equipment." If a pressure type flow meter is -
used to measure the asphaltic material, the
requirements of T.H.D. Item 520, 1982, "Weighing and
Measuring Equipment," shall apply -
( 6 ) Mixer
The mixer shall be of the pug mill type and shall have
a capacity of not less than 3,000 pounds (of natural
aggregate mixture)in a single batch, unless otherwise
shown on the plans. The number and position of blades
shall provide a uniform mix. The mixer shall be
equipped with an approved spray bar that will
distribute the asphaltic material quickly and uniformly
throughout the mixer. Any mixer that segregates the
mineral aggregate or fails to secure a thorough and
uniform mixture with asphaltic material shall not be
used. This shall be determined by mixing the standard -
batch for the required time, then dumping the mixture,
taking samples from its different parts and testing by
Test Method Tex-210-F to show that the batch is uniform
throughout. All mixers shall be provided with an
automatic time lock that will lock the discharge doors
of the mixer for the required mixing period. The dump
door or doors and the shaft seals of the mixer shall be
tight enough to prevent spilling of aggregate or
mixture from the mixer.
(7) Surge -Storage System
A surge -storage system may be used. It shall be
adequate to minimize production interruptions during the normal day's operation. A device such as a gob
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hopper or other similar devices approved by the
Engineer to prevent segregation in the surge -storage
bin will be required. If the Contractor elects to use a
surge -storage system, scales conforming to the
requirements outlined herein will be required.
(a) Scales
Scales may be standard platform truck scales or other
equipment such as weigh hopper (suspended) scales
approved by the Engineer. All scales shall conform to
j the item, "Weighing and Measuring Equipment". If trucks
i scales are used, they shall.be placed at a location
approved by the Engineer. If other weighing equipment
r- is used, the Engineer may require weight checks by
truck scales for the basis of approval of the
equipment.
B. Continuous Mixing Type
(1) Cold Aggregate Bin and Proportioning Device
Same as for weigh -batch type of plant.
( 2 ) Dryer
Same as for weigh -batch type of plant.
(3) Screening and Proportioning
Same as for weigh -batch type of plant.
(4 ) Hot Aggregate Bin
The hot bins shall be so constructed that oversize
and overload material will be discarded through an
s: overflow chute. Hot aggregate bins that become
deficient in material shall activate a switch that
r automatically stops the plant until proper
adjustments are made.
r (5) Riot Aggregate Proportioning Device
The hot aggregate proportioning device shall be so
designed that when properly operated, a uniform and
continuous flow of aggregate into the mixer will be
maintained. -
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(6) Asphaltic Material Spray Bar
The asphaltic material spray bar shall be so ^
designed that the asphalt will spray uniformly and
continuously into the mixer.
(7) Asphaltic Material Meter
An asphaltic material recording meter meeting the
requirements of the Item, "Weighing and Measuring
Equipment", shall be placed in the asphalt line
leading to the spray bar so that the cumulative
amount of asphalt used can beaccurately
determined. Provisions of a permanent nature shall
be made for checking the accuracy of the meter
output. The asphalt meter and line to the meter --
shall be protected with a jacket of hot oil or
other approved means to maintain the temperature of
the line and meter at or near that temperature _
specified for the asphaltic material. Unless
otherwise shown on the plans, the temperature of
the asphaltic material ente6ing the recording meter
shall be maintained at + 10 F of the temperature at
which the asphalt metering pump was calibrated and
set. Inability to maintain this tolerance in
temperature shall result in an adjustment of the
pay quantity for the asphaltic material.
If a pressure type flow meter is used to measure
the asphaltic material, the requirements of the
Item, "Weighing and Measuring Equipment", shall
apply.
(8) Mixer
The mixer shall be of the pug mill continuous type _
and shall have a capacity of not less than 40 tons
of mixture per hour. Any mixer that has a tendency
to segregate the aggregate or fails to secure a
thorough and uniform mixing of the aggregate with
the asphaltic material shall not be used. The dam
gate at the discharge end of the pug mixer and/or
pitch of the mixing paddles shall be so adjusted to
maintain a level of mixture in the pug mixer
between the shaft and the lower paddle tip (except
at the discharge end).
(9) Surge -Storage System
A surge storage system may be used. It shall be
adequate to minimize production interruption during
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the normal day's operation. A device such as a gob
hopper or other similar devices approved by the
Engineer to prevent segregation in the surge
storage bin will be required. If the Contractor
r elects to use a surge -storage system, scales
conforming to the requirements outlined herein will
be required.
(10) Scales
Scales may be standard platform truck scales or
r, other equipment such as weigh hopper (suspended)
scales approved by the Engineer. All scales shall
` conform to the Item "Weighing and Measuring
Equipment." If truck scales are used, they shall be
placed at a location approved by the Engineer. If
other weighing equipment is used, the Engineer may
require weight checks by truck scales for the basis
r• of approval of the equipment.
C. DRUM MIX PLANT
r Unless otherwise shown on the plans, the Contractor may, at
his option elect to use the drum mixing process in the
mixing of asphalt stabilized base material. The plant shall
r be adequately designed and constructed for the process of
mixing aggregates and asphalt in the dryer -drum without
preheating the aggregates. The plant shall be equipped with
satisfactory conveyors, power 'units, aggregate handling
equipment and feed controls and shall consist of the
following essential pieces of equipment.
(1) Cold Aggregate Bin and Feed System
The number of compartments in the cold aggregate bin
shall be equal to or greater than the number of
stockpiles of individual materials to be used..
The bin shall be of sufficient size to store the amount
of aggregate required to keep the plant in continuous
operation and of proper design to prevent overflow of
material of one bin to that of another bin. The feed
system shall 'provide a uniform and continuous flow of
aggregate in the desired proportion to the dryer. Each
aggregate shall be proportioned in a separate
compartment with total and proportional control.
The system shall provide positive weight measurement of
the combined cold -aggregate feed by use of belt scales
or other approved devices. Provisions of a permanent
nature shall be made for checking the accuracy of the
i IV-15
measuring device as required by the Item, "Weighing and
Measuring Equipment". When a belt scale is used,
mixture production shall be maintained so that the
scale normally operates between 50 percent and 100
percent of its rated capacity. Belt scale operation
below 50 percent of the rated capacity may be allowed
by the Engineer if accuracy checks show the scale to
meet the requirements of the Item, "Weighing and
Measuring Equipment", at the selected rate and it can
be satisfactory demonstrated to the Engineer that
mixture uniformity and.quality have not been adversely
affected.
( Z ) Scalpincr Screen
A scalping screen shall be required, unless otherwise --
shown on the plans, and shall be located ahead of any
weighing device.
( 3 ) Asphaltic Material Measuring System
An asphaltic material measuring device meeting the
requirements of the item, "Weighing and Measuring --
Equipment," shall be placed in the asphalt line leading
to the dryer -drum mixer so that the cumulative amount
of asphalt used can be accurately determined.
Provisions of a permanent nature shall be made for
checking the accuracy of the measuring device output.
The asphalt measuring device and line to the measuring
device shall be protected with a jacket of hot oil or
other approved means to maintain the temperature of the
line and measuring device near that temperature
specified for asphaltic material. Unless otherwise
shown on the plans, the temperature of the asphaltic
material entering the measuring device shall be
maintained at ±100F of the temperature at -which the
asphalt measuring device was calibrated and set.
If a pressure type flow meter is used to measure the
asphaltic material, the requirements of the Item,
"Weighing and Measuring Equipment", shall apply.
(4) Synchronization Equipment for -Feed Control
System
The asphaltic material feed control shall be coupled
with the total aggregate weight measurement device in such manner as to automatically vary the asphalt feed
as required to maintain the required proportion.
IV-16
F
i
` (5) Drum Mix
The drum mixing system shall be of the type that
continually agitates the aggregate and asphalt mixture
during heating and in which the temperature can be so
controlled that the aggregate and asphalt will not be
damaged in the necessary drying and heating operations
required to obtain a mixture of the specified
temperature. A continuously recording thermometer shall
p be provided which will indicate the temperature of the
mixture as it leaves the drum mixer.
(6) Surge Storage System
e
A surge storage system will be required. It shall be
r,. adequate to minimize the production interruptions
I during the normal day's operations and shall be so
l constructed to minimize segregation. A device such as a
gob hopper or other similar device approved by the
^ Engineer to prevent segregation in the surge -storage
bin will be required.
(7) Scales
Scales may be standard platform truck scales, belt
scales or other equipment such as weigh hopper
(suspended) scales approved by the Engineer. All scales
shall conform to the Item, "Weighing and Measuring
Equipment." If truck scales are used, they shall be
placed at a location approved by the Engineer. If other
weighing equipment is used, the Engineer may require
weight checks by truck scales for the basis of approval
of the equipment.
D. ASPHALTIC MATERIAL HEATING EQUIPMENT
r" Asphaltic material heating equipment shall be adequate to
heat the amount of asphaltic material required to the
desired temperature. Asphaltic material may be heated by
r, steam coils which shall be absolutely tight. Direct fire
heating of asphaltic materials will be permitted, provided
the heater used maintains a positive circulation of the
asphalt throughout the heater without damage to the
asphalt. Agitation with steam or air will not be permitted.
The heating apparatus shall be equipped with a recording
thermometer with a 24-hour chart that will record the
temperatures of the asphaltic material at the highest
temperature.
r
I IV-17
E. SPREADING AND FINISHING MACHINE
The spreading and finishing machine shall be of a type
approved by the Engineer, shall be capable of producing a
surface that will meet the requirements of the typical
cross section and the surface test, when required, and when
the mixture is dumped directly into the finishing machine
shall have adequate power to propel the delivery vehicles
in a satisfactory manner. The finishing machine shall be
equipped with a flexible spring and/or hydraulic type hitch
sufficient in design and capability to maintain contact
between the rear wheels of the hauling equipment and the
pusher rollers of the finishing machine while the mixture
is being unloaded.
The use of any vehicle which requires dumping directly into the finishing machine and which the finishing machine
cannot push or propel in such a manner as to obtain the
desired lines and grades without resorting to hand
finishing will not be allowed. Vehicles dumping directly
or indirectly into the finishing machine shall be so
designed and equipped that unloading into the finishing
machine can be mechanically and/or automatically operated
in such a manner that overloading the finishing machine
being used cannot occur and the required lines and grades
will be obtained without resorting to hand finishing.
unless otherwise shown on the plans, dumping of the
asphaltic mixture in a windrow and then placing the mixture
in the finishing machine with loading equipment will be
permitted provided that the loading equipment is
constructed and operated in such manner that substantially
all of the mixture deposited on the roadbed is picked and
loaded in the finishing machine without contamination by
foreign material of the mixture and excessive temperature
loss is not encountered. The loading equipment will be so
designed and operated that the finishing machine being _
loaded will obtain the required line, grade and surface
without resorting to hand finishing. Any operation of the
loading equipment resulting in the accumulation and
subsequent shedding of this accumulated material into the
asphaltic mixture will not be permitted.
Automatic screed controls, if required, shall meet the
requirements of the Item, "Automatic Screed Controls for
Asphaltic Concrete Spreading and Finishing Machines".
F. Rollers
It shall be the responsibility of the Contractor to have
rolling equipment available on the job to properly compact
IV-18
i
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the paving mixture in place as required without delay to
the laydown operation. Rollers provided shall meet the
7 qualifications for their type as follows:
(1) Pneumatic Tire Rollers (Required on all Black
Base and Hot Mix Surfacing)
The rollers shall be acceptable medium pneumatic tire
rollers conforming to the requirements of the Item,
"Rolling (Pneumatic Tires)," Type B, unless otherwise
specified on the plans.
(2) Two Axle Tandem Roller (Required on All Hot Mix
E. Surfacing)
This roller shall be an acceptable power driven tandem
roller weighing not less than 8 tons.
(3) Three Wheel Roller (Required on All Black Base
and Hot Mix Surfacing)
This roller shall be an acceptable power driven three
wheel roller weighing not less than 10 tons.
(4) Three Axle Tandem Roller
This roller shall be an acceptable power driven three
axle roller weighing not less than 10 tons.
(5) Trench Roller
This roller shall be an acceptable power -driven trench
roller equipped with sprinkler for keeping the wheels
wet and adjustable road wheel so that the roller may be
kept level during rolling. The drive wheel shall be not
less than 20 inches wide. The roller under working
conditions shall produce 325 pounds per linear inch of
t roller width and be so geared that a speed of 1.8 miles
per hour is obtained in low gear.
(6) Vibratory Steel -Wheel Roller (Required on all
a Black Base)
This roller shall have a minimum weight of 6 tons. The
compactor shall be equipped with amplitude and
frequency controls and specifically designed to compact
the material on which it is used, and shall be operated
in accordance with the manufacturer's recommendations
or as directed by the Engineer.
7
7 IV-19
(7) Straightedges and Templates
When directed by the Engineer, the Contractor shall
provide acceptable 10-foot straightedges for surface
testing. Satisfactory templates shall be provided as
required by the Engineer.
(8) Alternate Equipment
When permitted by the Engineer in writing, equipment
other than that specified which will consistently
produce satisfactory results may be used.
(9) Inspection
It will be the Contractor's responsibility to provide
safe and accurate means to enable inspection forces to
take all required samples, and to provide permanent
means for checking the output of any specified metering
device and to perform the calibration checks as
required by the Engineer.
G. STOCKPILING, STORAGE, PROPORTIONING AND MIXING
(1) Stockpiling of Aggregates
Prior to mixing operations with asphaltic material,
processed mineral aggregate shall be stockpiled on an
area previously cleared of trash, weeds and grass and
smoothed as directed by the Engineer. The aggregate
stockpiles shall be not less than 10 feet in height and
constructed in layers not exceeding 18 inches in depth
or as directed by the Engineer. The plant shall have
and maintain at least a two-day supply of aggregates on
hand, unless otherwise directed by the Engineer.
Material shall be stockpiled in such a manner as to
prevent segregation.of aggregate and mixing of
aggregates from stockpiles and/or sources. More than
one stockpile will be permitted unless otherwise shown
on plans.The gradation requirements for the individual
stockpiles and proportioning from these stockpiles will
be the Contractor's responsibility as approved by the
Engineer.
(2) Storage and Heating of Asphaltic Materials
The asphaltic material storage shall be ample to meet
the requirements of the plant. Asphalt shall not be
heated to a temperature in excess of that specified in
the Item,"Asphalts, OIls and Emulsions". All equipment
used in the storage and handling of asphaltic material
IV-20
I
gar"
shall be kept in a clean condition at all times and
shall be operated in such manner that there will not be
contamination with foreign matter.
( 3 ) Feeding and Drying of Aggregate
The feeding of various sizes of aggregate to the dryer
shall be done through the cold aggregate bin and
proportioning device in such a manner that a uniform
and constant flow of materials in the required
proportions will be maintained. The aggregate shall be
r-
dried and heated to the temperature necessary to
produce a mixture having the specified temperature. In
no case shall the aggregate be introduced into the
_
mixture unit at a temperature more than 4000 F.
(4) Proportioning
The proportioning of the various materials entering the
asphaltic mixture shall be the responsibility of the
Contractor as approved by the Engineer and in
accordance with these specifications. The asphaltic
material and aggregates may be proportioned by weight
or by volume based on weight using the specified
equipment.
(5) Mixing
,.
(a) Weigh -Batch Tyne Mixer
In the charging of the weigh box and in the
charging of the mixer from the weigh box such
methods or devices shall be used as are necessary
to secure a uniform asphalt mixture. In
introducing the batch into the mixer, all mineral
aggregate shall be introduced first and shall be
mixed thoroughly for a period of 5 to 20 seconds,
or as directed, to uniformly distribute the various
.-
sizes throughout the batch before the asphaltic
material is added. The asphaltic material shall
then be added and the mixing continued for a total
mixing period of not less than 30 seconds. This
mixing period may be increased, if in the opinion
of the Engineer, the mixture is not uniform. The
differential in temperature of the aggregates and
the asphalt as they enter the pug mixer shall not
I
exceed 250 F.
Temporary storing or holding of the asphaltic
mixture by the surge -storage system may be used
during the normal day's operation. Overnight
0
r^
IV-21
storage will not be permitted unless authorized in
the plans or in writing by the Engineer. The
mixture coming out of the surge -storage bin must be
of equal quality to that coming out of the mixer.
(b) Continuous -Type Mixer
The amount of aggregate and asphaltic material
entering the mixer and the rate of travel through
the mixer shall be so coordinated that a uniform
mixture of the specified grading and asphalt
content will be produced. The differential in
temperature of the aggregates and the asphalt as
they enter the pug mixer shall not exceed 250 F.
Checks on asphalt used shall be made at least twice
daily comparing the asphalt used in ten loads of
completed mix as shown on the asphalt recording
meter and the design amount for these ten loads.
The acceptable percent of variation between the
asphalt used and the design amount will be as shown
on the plans or as determined by the Engineer.
Temporary storing or holding of the asphaltic
mixture by the surge -storage system may be used
during the normal day's operation. Overnight -�
storage will not be permitted unless authorized in
the plans or in writing by the Engineer. The
mixture coming out of the surge -storage bin must be
of equal quality to that coming out of the mixer.
(c) Drum -mix Plant
The amount of aggregate and asphaltic material
entering the mixer and the rate of travel through
the mixing unit shall be so coordinated that a
uniform mixture of the specified grading and
.asphalt content will be produced.
Temporary storing or holding of the asphaltic
mixture by the surge -storage system will be
required during the normal day's operation.
Overnight storage will not be permitted unless
authorized in the plans or in writing by the
Engineer. The mixture coming out of the surge
storage -bin must be of equal quality to that coming
out of the mixer. The mixture, when discharged
from the plant, shall have a moisture content not
greater than 1 percent by weight unless otherwise
shown on the plans and/or specified by the
IV-22
Engineer. The moisture content shall be determined
in accordance with Test Method Tex-212-F, Part II.
The mixture produced from each type of mixer shall
not vary from the specified mixture by more than
the tolerances herein specified.
The asphaltic mixture from each type of mixer shall
r' be at a temperature between 3000 F and 3500 F when
discharged from the mixer. The Engineer will
approve the temperature within the above
r, limitations, and the mixture when discharged from
the mixer shall not vary from this selected
temperature more than 250 F.
H. CONSTRUCTION METHODS
Temperature Rerruirements
f A. HMAC - November 1 to April 1
1. The asphaltic mixture shall not be placed when the
air temperature is below 550 F and falling.
2. The asphaltic mixture may be placed when the air
temperature is above 500 F and rising.
B. HMAC - April I until November 1
1. The asphaltic mixture shall not be placed when the
air temperature is below 500 F and falling.
2. The asphaltic mixture may be placed when the air
temperature is above 450 F and rising.
C. Asphalt Stabililzed Base
1. The asphaltic mixture shall not be placed when the
temperature is below I452F and falling.
I 2. The asphaltic mixture may be placed when the air
temperature is above 40OF and rising.
The engineer may use his discretion to require a cover over
the asphaltic mixture when being hauled from the plant to
the job site. The air temperature shall be taken in the
1 shade away from artificial heat or as reported by the
1 National Weather Service on their hourly report (Telephone
No. 762-0141). It is further provided that the prime coat,
t tack coat or asphalt stabilized base shall be placed only
when the general weather conditions and temperature and
7 IV-23
moisture conditions of the subbase or subgrade,in the
opinion of the Engineer, are suitable.
If, after being discharged from the mixer and prior to
placing, the temperature of the asphaltic mixture is 250 F
or more below the temperatureapproved by the Engineer, all or any part of the load may be rejected and payment will
not be made for the rejected material.
(1) Prime Coat
The prime coat shall consist of an application of 0.25
gallons per square yard of MC asphalt. The asphalt --
stabilized base shall not be applied on a previously primed
course until the prime coat has completely cured to the
satisfaction of the Engineer.
(2) Tack Coat
Before the asphaltic mixture is laid, the surface upon
which the tack coat is to be placed shall be cleaned
thoroughly to the satisfaction of the Engineer. The surface
shall be given a uniform application of tack coat using
asphaltic materials of this specification. This tack coat
shall be applied, as directed by the Engineer, with an
approved sprayer at a rate not to exceed 0.10 gallon per
square yard of surface. Where the mixture will adhere to
the surface on which it is to be placed without the use of
a tack coat, the tack coat may be eliminated by the
Engineer. All contact surfaces of curbs and structures and -�
all joints shall be painted with'a thin uniform coat of the
asphaltic material meeting the requirements for tack coat.
The tack coat shall be rolled with a pneumatic tire roller
when directed by the Engineer.
(3) Transporting
The asphaltic mixture, prepared.as specified above shall be
hauled to the work in tight vehicles previously cleaned of
all foreign material. The dispatching of the vehicles shall
be arranged so that all material delivered may be placed,
and all rolling shall be completed during daylight hours.
The inside of the truck body maybe given alight coat of
oil, lime slurry or other material satisfactory to the
Engineer, if necessary, to prevent mixture from adhering to
the body. In cool weather or for long hauls, canvas covers
and insulating of truck bodies.may be required. Vehicles of
the semi -trailer type are prohibited, unless approved by
the Engineer.
IV-24
r
(4) placing
Generally, the asphaltic mixture shall be dumped and spread
on the approved prepared surface with the specified
spreading and finishing machine, in such a manner that when
properly compacted, the finished course will be smooth, of
uniform density, and will conform with the typical sections
shown on the plans and to the lines and 'grades established
by the Engineer. During the application of asphaltic
material, care shall be taken to prevent splattering of
adjacent pavement, curb and gutter and structures.
The mixture shall be spread and compacted in layers or
lifts as specified on the plans or as directed by the
Engineer. The sequence of compacting shall be such that
d undue displacement of the edge of the course does not
1 occur. On deep lifts, the edge of the course may be rolled
with a motor grader wheel or similar equipment or supported
by blading a roll of earth against the edge of the course
prior to compacting the surface.
When the asphaltic mixture is placed in a narrow strip
along the edge of an existing pavement, or used to level up
small areas of an existing pavement or placed in small
irregular areas where the use of a finishing machine is not
practical, the finishing machine may be eliminated when
authorized by the Engineer, provided a satisfactory surface
can be obtained by other approved methods.
I. COMPACTION
(1) As directed by the Engineer, the asphalt stabilized
base shall be compacted thoroughly and uniformly with
the specified rollers. In lieu of the rolling equipment
specified, the Contractor may, upon written permission
+- from the Engineer, operate other compacting equipment
that will produce equivalent relative compaction as the
specified equipment. If the substituted compaction
equipment fails to produce the desired compaction as
would be expected of the specified equipment, as
determined by the Engineer, its use shall be
discontinued. When directed by the Engineer, the
r' initial compaction shall be accomplished with pneumatic
tire rollers.
r. (2) When rolling with the three wheel, tandem, or vibratory
rollers, rolling shall start longitudinally at the
sides and proceed toward the center of the pavement,
overlapping on successive trips by at least half the
width of the rear wheel unless otherwise directed by
the Engineer. Alternate trips of the roller shall be
{k
F
I
G IV-25
slightly different in length. On super -elevated
curves, rolling shall begin at the low side and
progress toward the high side unless otherwise directed
by the Engineer. When rolling with vibratory steel
wheel rollers, the manufacturer's recommendation shall
be followed unless directed otherwise by the Engineer.
Rolling with pneumatic -tire roller shall be done as
directed by the Engineer. Rolling shall be continued
until no further increase in density can be obtained and all roller marks are eliminated. The motion of the
roller shall be slow enough at all times to avoid
displacement of the mixture. If any displacement
occurs, it shall be corrected at once by the use of a
rake, and of fresh mixtures where required. The roller
shall not be allowed to stand on any portion of the
pavement mixture which has not been. fully compacted.
To prevent adhesion of the mixture to the roller, the
wheels shall be kept thoroughly moistened with water,
but an excess of water will not be permitted. All
rollers must be in good mechanical condition.
Necessary precautions shall be taken to prevent the
dropping of gasoline, oil, grease or other foreign
matter on the roadway, either when the rollers are in
operation or when standing.
3) Hand Tampin
The edges of the pavement along curbs, headers and
similar structures, and all places not accessible to
the roller, or in such positions as will not allow
thorough compaction with the rollers, shall be
thoroughly compacted with, lightly oiled tamps.
J. SURFACE FINISH
The compacted material shall conform to the typical cross
sections, lines and grades as shown on plans and directed
,by the Engineer and shall have a smooth surface with a
reasonably uniform texture acceptable to the Engineer.
Unacceptable finished surfaces may be corrected by the
placement of additional mixture, all at the expense of the
Contractor. -
K. PROTECTION OF THE WORK AND OPENING TO TRAFFIC
The completed asphalt stabilized base course shall be
opened to traffic"as provided by the plans and as directed
by the Engineer. All construction traffic allowed on the
base course shall comply with the State laws governing --
traffic on highways unless otherwise authorized by the
IV-26
t
Engineer. When another roadway surface is provided for the
r traveling public and construction traffic through the
f project, the Engineer may prohibit traffic on the completed
base course.
L. SURFACE DENSITY TEST
City personnel will provide density test and results
throughout the construction process at no cost to the
contractor.
Samples of the compacted pavement shall be removed from
locations designated by the Engineer to enable him to
determine the composition, compaction, and density of the
pavement. Samples from each day, or fraction thereof,
shall be taken by City personnel. The Contractor shall
replace the pavement removed from core holes at no cost
to the City. If the pavement is deficient in composition,
compaction, or thickness, satisfactory correction shall be
made, as directed by the Engineer.
9. ASPHALTS
Asphalts for use on this project shall comply with Texas State
Highway Department Specification, Item 300.
10. HOT MIX ASPHALTIC CONCRETE SURFACE
(A). Aggregate
General
The mineral aggregate shall be composed of coarse
�., aggregate, a fine aggregate, and if required, a mineral
filler. Samples of coarse aggregate, fine aggregate and
mineral filler shallbe submitted to the City of Lubbock
Testing Laboratory for testing and approval by the
Engineer. Approval of other material and of the source
t of supply must be obtained from the Engineer prior to
delivery.
The combined mineral aggregate, after final processing
by the mixing plant,,and prior to addition of asphalt
and mineral filler, shall have a sand equivalent value
of not less than 34, unless otherwise shown on the plans
when tested in 'accordance with Test Method Tex.-203-F.
7 IV-27'
The percent of flat or elongated slivers of stone for
any course shall not exceed 25%,when tested in
accordance with Test Method Tex 224-F.
Aggregate that appears susceptible to film stripping,
when tested in accordance with Test Method Tex 218-F or ASTM D-1664, shall be rejected or'conditioned with
an anti -stripping agent, as directed by the Engineer.
Prior to stockpiling of aggregates the area shall be
cleaned of trash, weeds and grass and be relatively
smooth. Aggregates shall be separated ,into stockpiles
of different gradation, such as a large coarse aggregate
and a small coarse aggregate stockpile and such that the
grading requirements of the specified type will be met
when the piles are combined in the asphaltic mixture.
No coarse aggregate stockpileshall contain more than 10
percent by weight of materials that will pass a No. 10
sieve except as noted on the plans or provided for by
special provision. Fine aggregate stockpiles may
contain small coarse aggregate in the amount of up to
15 percent by weight, 100 percent of which shall pass a
1/4 inch sieve, however, the coarse aggregate shall
meet the quality tests specified herein for "Coarse
Aggregates." Suitable equipment of acceptable size
shall be furnished by the Contractor to work the
stockpiles and prevent segregation of the aggregates.
If the Contractor utilizes an asphalt continuous mix
plant, the various aggregate stockpiles of different -
gradation will be stockpiled in the same manner as
described for stockpiling of aggregate for asphalt
stabilized base. That is the stockpiling of the
aggregate shall be made up of layers of material not to
exceed two feet in height of each layer. The edge of
each succeeding layer shall extend inward so as not to
overlap the edge of the layer below. In -loading from
the stockpile, the material shall be loaded by making
successive vertical cuts through the entire depth of the
stockpile. -
(1) Coarse Aggregate
The coarse aggregate shall be that part of the aggregate
retained on a No. 10 sieve; shall consist of clean,
tough, durable fragments of crushed stone of uniform
quality throughout; mixing or combining crushed gravel
and crushed stone will not be permitted. The aggregate
shall be'crushed to the 'extent that produces a minimum
of 90% crushed faces when tested in accordance with Test _
Method (Tex.-413-A). The aggregate shall have a
IV-28
I
r
F
maximum of 15% loss when subjected to 4 cycles of the
Magnesium Sulfate Soundness Test (A.S.T.M. C-88-83).
When coarse aggregate is tested in accordance with Test
Method Tex.-217-F, the amount of organic matter, clays,
loams or particles coated therewith or other undesirable_
materials shown on the plans shall not exceed 2 percent.
when it is specified that the coarse aggregate be
sampled during delivery to the plant, from the
stockpile, or from the cold bin, the material removed
when tested in accordance with test method Tex.-217-F
(Part II, Decantation), shall not exceed 2 percent. The
plasticity index of that part of the fine aggregate
contained in the coarse aggregate passing the No. 40
sieve shall not be more than 6 when tested by the Test
Method Tex.-106-E. However, where the coarse aggregate
contains less than 5% of fine aggregate and the fine
aggregate is of the same or similar material as the
coarse aggregate, the P.I. requirements for the material
passing the No. 40 sieve may be waived by the Engineer
in writing.
when it is specified that the coarse aggregate be
sampled from the hot bins and tested in accordance with
Test Method Tex.-217-F (Part II Decantation), the amount
of material removed shall not exceed 1 percent.
Tests performed as specified herein represent material
processed or placed until a subsequent test is
performed.
The coarse aggregate shall have an abrasion of not more
than 40 percent loss by weight when subjected to the Los
Angeles Abrasion Test, Test Method Tex-410A. Coarse
aggregate from each source shall meet the abrasion
requirements specified.
(2) Fine Aggregate
The fine aggregate shall be that part of the aggregate
passing the No. 10 sieve and shall consist of sand or
screenings or a combination of sand and screenings.
The plasticity index of that part of the sand passing
the No.40 sieve shall not be more than 6 when tested by
Test Method Tex-106-E. The plasticity index of that part
of the screenings passing the No. 40 sieve shall be not
more than 9, unless otherwise shown on plans, when
tested by Test Method Tex-106-E. Fine aggregate from
each source shall meet plasticity requirements.
IV-29
Sand shall be composed of durable stone particles free
from injurious foreign matter. Screenings shall be of
the same or similar material as specified for coarse
aggregate.
(3) Mineral Filler
The mineral filler shall consist of thoroughly dry stone
dust, slate, dust, portland cement or other mineral dust
approved by the Engineer. The mineral filler shall be
free from foreign and other injurious matter..
When tested by Test Method Tex-200-F (Dry Sieve
Analysis), it shall meet the following grading
requirements:
Per Cent
By Weight
Passing a No.,30 sieve 100
Passing a No. 80 sieve, not less than 90
Passing a No. 200 sieve, not less than 65
(B) ASPHALTIC MATERIAL
(1) Asphalt for Paving Mixtures
Asphalt for the paving mixtures shall be of the
types of oil asphalt as determined by the Engineer.
The grade of asphalt used shall be as designated by
the Engineer after design -tests have been made using
the mineral aggregates that are to be used in the
project. If more than one type of asphaltic concrete
mixture is specified for the project, only one grade
of asphalt will be required for all types of
mixtures, unless otherwise shown on plans. The
Contractor shall notify the Engineer of the source
of his asphaltic material prior to production of the
asphaltic mixture and this source shall not be
changed during the course of the project except on
written permission of the Engineer.
(2) Tack Coat
The asphaltic material for tack coat shall meet the
requirements for Cut -Back Asphalt RC-2, or shall be
a Cut -Back Asphalt made by, combining 50 to 70
percent by volume of the asphaltic material as
IV-30
t
specified for the type of paving mixture with 30 to
50 percent by volume of gasoline and/or kerosene. If
RC-2 Cut -Back Asphalt is usedit may, upon
instructions from the Engineer, be diluted by
addition of an approved grade of gasoline and/or
kerosene, not to exceed 15 percent by volume.
The paving mixture shall consist of a uniform mixture of
coarse aggregate, fine aggregate and asphaltic material.
The grading of each constituent of the mineral aggregate
shall be such as to produce, when properly proportioned,
a mixture which, when tested in accordance with Test
Method Tex-200-F (Dry Sieve Analysis), will conform to
the limitations for master grading given below for the
PM type specified.
(1) Type "C" (Coarse Graded Surface Course)
Passing 7/8 " sieve ............................ 100
Passing 5/8" sieve.......................98 to 100
Passing 5/8" sieve, retained on 3/8"
sieve...................................12 to 25
Passing 3/811 sieve, retained on No. 4
sieve....................................15 to 30
Passing No. 4 sieve, retained on No. 10
sieve .................................... 12 to 30
Total retained on No.10
sieve.....................................53 to 65.
Passing No. 10 sieve., retained on No. 40
sieve... .............................. 10 to 20
Passing No. 40 sieve, retained on No. 80
sieve ..................................... 5 to 15
Passing No. 80 sieve, retained on No. 200
sieve......................................5 to 15
Passing No.'200 sieve ..................... .1 to 6
r
7 IV-31
(2) Modified Type "C" (Coarse Graded Surface Course)
The Engineer may designate the use of a modified
Type "C" Surface Course. This design will stay in
the limits of the above Type "C" but may vary from
the upper limits of certain sieve designations to
the lower limits of other sieve designations.
(D) I.ABORATORY CONTROL
If the Contractor or supplier wish to use a material or
location not previously approved by the City of Lubbock,
he will be required to request approval in writing of the
material not less than 60 days prior to anticipated use
of the material. The City of Lubbock laboratory test
results shall be the sole consideration for approval of
materials, mix designs, adequacy of procedures, etc.. The
results of such testing shall be evaluated and final
approval given by the Street Superintendent.
The City of Lubbock will utilize its own testing
laboratory to monitor the plant mixing for Black Base and
Hot Mix. This laboratory control will be provided by the -
City of Lubbock. A representative of the City Engineer
will be at the plant with full authority to control the
mixing operation.
In those instances where irregularities occur and the
limits of the specification are exceeded for aggregate,
black base, or hot mix, appropriate corrections will be
required.
(E) Tolerances
The Engineer will designate the exact grading of the
aggregate and asphalt content to be used in the mixture.
The paving mixture produced shall not vary from the
designated grading and asphalt content by more than the
tolerances allowed herein and shall remain within the
limitation of the master grading specified. The
respective tolerances, based on the percent by weight of
the mixture, are listed as follows:
Per Cent
by Weight
Passing 5/8" sieve, retained on 3/8"
sieve ..... .......... ....................... .+ or -3
Passing 3/8" sieve, retained on No. 4
sieve .......................................+ or -3
IV-32
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Passing No. 4 sieve, retained on No. 10
sieve ............. ..... .......... see* ... ....+ or -3
Total retained on No. 10
sieve .......................................+ or -3
Passing No. 10 sieve, retained on No. 40
sieve .......................................+ or -2
Passing No. 40 sieve, retained on No. 80
sieve .......................................+ or -2
Passing No. 80 sieve, retained on No. 200
sieve .......................................+ or -2
Passing No. 200
sieve .......................................+ or -2
Asphalt Material ..........................+ or -0.2
(F) EXTRACTION AND GRADATION TESTS
Samples of the mixture when tested in accordance with
Test Method Tex-210-F shall not vary from the grading
proportions of the aggregate and the asphalt content
designated by the Engineer by more than the respective
tolerance specified above. (See Section IV-7-C (1) for
methods of extraction of asphalt)
During construction. if grading or asphalt content -
l
1
exceeds the tolerances stated herein, production will
be discontinued until such time as the. Hot -Mix
Asphaltic Concrete mixture has been corrected and
subsequent grading and extraction tests indicate
results within the tolerance stated herein. All Hot
Mix Asphaltic Concrete mixture so constructed. which
exceeds the tolerances as stated herein, will be
removed and replaced at no cost to the. Owner.
It is the intent of this specification that the
mixture will be designed to produce a mixture of
optimum density and stability, as determined by the
Engineer, when tested in accordance with these
specifications and applicable ASTM procedures.
Samples of the completed pavement shall be removed
from locations designated by the Engineer to enable
him to determine the composition, compaction, and
density to the pavement. Samples for each day,
F
7 IV-33
or fraction thereof, shall be taken by City
personnel. The Contractor shall replace the
pavement removed from core holes at no cost to the
City. If the pavement is deficient in composition,
compaction, or thickness, satisfactory correction
shall be made, as directed by the Engineer.
Thoroughfare Residential
Traffic Traffic
(2) Design Method Min. Max. Min. Max.
Marshall
No. of compaction blows,
each end of specimen 75 50
Stability, Lbs. 1200 --- 1000 ---
Flow, units of 0.01 in 8 16 8 18
% Air Voids
Surfacing or Leveling '3 5 '3 5
Stability and density tests are control tests. If the
laboratory stability and/or density of the mixture produced
has a value lower than that specified, and in the opinion
of the Engineer is not due to change in source or quality
of materials, production may proceed, and the mix shall be
changed until the laboratory stability and density equals
or exceeds the specified values. If there is, in the
opinion of the Engineer, an apparent change in any material
from that used in the design mixtures, production will be
discontinued until a new design mixture is determined by
trial mixes.
11. SILO STORAGE
A silo storage system may be used during the normal day's
operation. The mixture coming out of the silo storage must be
of equal quality and temperature to that coming out of the
mixing plant. Any operation that has tendency to segregate
the mixture or fails to maintain a thorough and uniform
mixture and temperature shall not be used. If any load of
mixture coming out of the silo storage system fails to meet
the asphalt specifications or gradation requirements, then
the total contents of the silo storage system shall be
condemned.
IV-34
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12. BARRICADES AND SIGNS
Barricades shall be constructed of clean, sound lumber, shall
be of first-class workmanship, and all surfaces above ground
shall be painted with an approved brand of white paint to
secure thorough coverage and a uniform white color. In no
case shall less than two coats be used. The paint for
barricade stripes shall be reflective orange and reflective
white. All dimension striping, lighting, painting, coloring
and placement of barricades shall be in accordance to the
details and design as set forth in the Texas Manual on
UNIFORM TRAFFIC CONTROL DEVICES for Street and Highways, Part
VI, issued in May, 1983.
The Contractor shall maintain each barricade in a neat
acceptable condition and furnish replacements when necessary
or requested by the Engineer.
Each sign shall be displayed only for the specific purpose
prescribed for it. Before any detour or temporary route is
open to traffic all necessary Regulatory, Warning and Guide
signs shall be in place.
Signs required by temporary conditions or restrictions shall
be removed immediately when those conditions cease to exist
or the restrictions are withdrawn. Guide signs directing
traffic to and on temporary routes or detours shall be
removed when no longer applicable.
Important is standardization with respect to design and
placement, and uniformity of application is equally
important. Identical conditions should always be marked with
the same type of sign, irrespective of where those particular
conditions occur.
All signs that are to convey their message during hours of
darkness shall be reflectorized or illuminated. Signs for
daytime use only may be non-reflectorized but a fluorescent
background material will be used for increased daytime
visibility if requested by the Engineer.
Where there is serious interference from extraneous light
sources, and a reflectorized sign is not likely to be
effective, an illuminated sign will be used.
Construction warning signs shall have a black legend on an
orange background and shall conform to the standards as to
size, shape and color as outlined in the Texas Manual on
UNIFORM TRAFFIC CONTROL DEVICES mentioned above.
F IV-35
Barricades, flares, and signs are a necessity in the
construction involved in this contract. The provision of
these items by the Contractor should be considered in the bid
prices submitted, as no separate compensation will be made,
unless indicated otherwise in the plans or the proposal.
No work will be permitted onanyproject prior to
installation of barricades or other warning devices at the
beginning and end of the construction area.
13. SEAL COAT AND TWO -COURSE MAINTENANCE
A. GENERAL
The following paragraphs give the specifications on
the various materials which are to be used in seal
coat and two -course maintenance projects. All
materials shall be subject to the approval of the
Engineer before being used.
B. ASPHALTS
Asphalts for use on this project shall comply with
Texas State Highway Department Specifications, Item
300 including revisions, and a certified copy of the
test results will be furnished to the City
C. ASPHALT HEATERS
Asphaltic material heating equipment shall be
adequate to heat the amount of asphaltic material
required to the desired temperature. Asphaltic
material may be heated by steam coils which shall be
absolutely tight. Direct fire heating of asphaltic
materials will be permitted, provided the heater used
is manufactured by a reputable concern and there is
positive circulation of the asphalt throughout
the heater. Agitation with steam or air will not be
permitted. The heating apparatus shall be equipped
with a recording thermometer with a 24-hour chart
that will record the temperature of the asphaltic
material where it is the highest temperature.
D. AGGREGATE FOR ,,SEAL AND TWO -COURSE PURPOSES
All gravel or pre -coated gravel or pre -coated crushed
stone shall have"a maximum of fifteen percent (15%)
loss when tested by the four (4) cycle magnesium
sulfate soundness test A.S.T.M. C-88-76. Pre -coated
or crushed gravel shall have a minimum of 90 percent
IV-36
i
of the particles retained on the No. 4 sieve with
more than one crushed face, as determined by Test
Method Tex-413-A (particle count) and T.H.D. 302.2.
The percent of flat or elonged slivers of stone or
gravel for any course, shall not exceed 25%, when
tested in accordance with Test Method Tex 224-F.
Final acceptance of the aggregate shall be made only
after the material is in stockpile in the City of
Lubbock.
The City of Lubbock laboratory test results shall be
the sole consideration for approval of materials, mix
designs, adequacy of procedures, etc.. The results of
such testing shall be evaluated and final approval
given by the Street Superintendent.
SEAL COAT
Two Course
Aggregate grading (S.H.D. P.B. #4 Pre Coated Crushed
Gravel, Pre -Coated Crushed Stone).
Percent by Weight
Retained
on
5/8" sieve...................0
- 0
Retained
on
1/2" sieve...................0
- 5
Retained
on
3/8" sieve..................20
45
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Retained
on
#4 sieve....................85
_
100
Retained
on
#10 sieve...................95
- 100
Aggregate Grading (S.H.D. P.B. #2 Special Pre -Coated
Crushed Gravel, Pre -Coated Crushed Stone).
Percent by Weight
Retained on 7/8"
sieve...................0 - 3
Retained on 3/4"
sieve...................6 - 9
Retained on 5/8"
sieve..................45 - 80
Retained on 1/2"
sieve..................80 - 100
Retained on #10
sieve...................98 - 100
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STOCKPILES
The location of
all stockpiles of aggregate shall be
approved by the
Engineer prior to unloading as to
zoning requirements,
smoothness and compaction of the
ground, and traffic
conditions. Stockpiles of
aggregate to be
incorporated into the project shall
be protected from dust by drift fences of any
F
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IV-37
suitable material approved by the Engineer, when
sandstorms possibilities exist. Care will be to
prevent dusty conditions in the stockpiles area from
any sources.
IV-38
L- L--- L- L- L--- L- L- L- L-- L---- L- L- IL-.' L----� L- I
THIS PAGE LEFT BLANK INTENTIONALLY
7
I
ueraiis or consrruczion
1. Concrete
t
` A..Curb and Gutter (Class A -Concrete)
Description
k
This item shall consist of Portland Cement 30" concrete
!^ curb and gutter, 2411 concrete curb and gutter, 30" separate
gutter, or 24" separate gutter, as shown on the plans or as
directed by the Engineer, and shall be constructed of
�. Class A concrete. Included in the curb and gutter item is
the subgrade preparation and the filling and shaping of the
area behind the curb.
(1) Curb Openings
Separate gutter sections will be placed only across
alleys and driveways presently in use or where
definitely planned for future property improvements. It
shall be the responsibility of the contractor to
contact the property owner and determine the proper
location of driveways before curb and gutter is
constructed. All gutters across new or proposed
driveways must meet the requirements set forth in the
city Sidewalk and Driveway Regulations, Ordinance
Number 1466 and amendments thereto and gutters across
existing driveways will be required to conform to said
regulations if no hardship to the existing property
improvements is involved. In any event, all curb and
gutter to be poured must have the engineer's approval
as to driveway widths and location, in addition to the
r'
section, and line and grade approval before any pour is
started on any curb and gutter unit.
(2) Excavation and Subgradina (See Section V-2)
Excavation for the curb and gutter shall be made with
the excavation of the entire street. The excavation
shall be done to the lines and grades set by the
engineer and in such a manner as to require a maximum
1/2" (inch) of fill to bring the subgrade to the
correct elevation. Subgrade that is undercut 1" (one
inch) or more shall be brought to the correct elevation
by scarifying, wetting, disking, blading, rolling and
compacting to 95% Standard Proctor Density (A.S.T.M. D-
698) with pneumatic rolling to correct elevation prior
to setting forms. Before completion of curb and gutter,
all traffic signs and street name markers found in the
way of paving will immediately be relocated behind the
proposed curb and gutter by the Contractor.
V-1
(3) Setting Forms
Forms for concrete and gutter shall be set to the lines
and grades established by the engineer after the,
subgrade has been prepared. The forms shall be held
together and in place in such a manner that they will
not move during the placing and working of the
concrete. The forms shall be cleaned and oiled prior to
pouring concrete. Face forms and construction joints _
(removable metal plates) shall be set to hold the
concrete for the curb in place until it is to be
finished.
Forms for radii shall be set in the same manner as the
straight forms except that no face form will be
required if a true section is obtained by other
methods. The radii forms shall be set in such a manner
that the curve will be true.
(4) Placement (Including Making Joints)
Sufficient concrete shall be placed to allow for
shrinkage and extra material for finishing, and the
concrete shall be floated and troweled to the
approximate section, and only after the concrete
receives a partial set shall the face forms be removed.
The section shall then be shaped to the true cross-
section by the use of a metal -screed which is shaped to
the true cross-section.
A "mule" screed shall be used only to shape to true
cross-section when topping material is provided and
pushed along on the front edge of the mule.
Curb and gutter shall be constructed with an expansion
joint at the tangent point of each return at
intersections and at intervals of no more than forty
(40),feet between the intersections. Forty feet
intervals may be waived if curb and gutter machine is
used. Expansion joints shall be of the material
hereinbefore specified. Construction joints formed by
removable metal plates (templates) accurately shaped to
the cross-section of the curb and gutter shall be
located at the mid -point of each section between
expansion joints or as directed by the engineer.
Contraction joints shall be placed at ten foot
intervals. All joints shall be perpendicular to the
surface of the concrete and to the axis of the section.
V-2
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(5) Finishing
A ten (10) foot metal "straight -edge" shall be used to
strike the flow 'line to grade, continuously along the
flow line of the gutter. This operation shall be
followed with a four (4) foot spirit level to assure
the continuous grade down the flow -line the length of
the gutter.
Curb and gutter shall be finished uniformly by wood
trowelling to an accurate cross-section. Extra water
will not be added for finishing. The final finish will
be accomplished with a brush, the last stroke being one
from the back of curb to the lip of gutter. Both sides
of all joints, the lip of gutter, and the back edge of
the curb shall be finished with a 1/4" radius edging
tool before the final brushing. Curves at the top and
bottom of the section shall present a uniform
appearance without "waves" in the face of the curb or.
"pockets" in the gutter.
Concrete shall not be poured during sand storms.
Concrete shall be protected to maintain temperature of
not less than 50 degrees F. for five days after
placement. If aggregate and water are heated, they
shall not be heated above 90 degrees F. Concrete shall
not be placed when the ambient temperature is less than
40 degrees F. It shall be the responsibility of the
Contractor to anticipate as nearly as possible changes
in weather conditions which would affect the placement
and protection of the concrete, and be prepared to
protect freshly placed concrete when sudden changes in
the weather make such protection necessary.
(6) Removing Forms
special care is required of the Contractor in his
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removing of pins and of forms.
Pins shall be pulled
from the ground to free forms.
If hammering is found to
be necessary, a light, one (1)
pound hammer shall be
used. The contractor shall not
place forms or pins on
newly finished concrete. Loading
and unloading of forms
from a truck shall be executed
by two workmen. It is
the duty of the Contractor to
remove any warped forms
found in any section of forms,
before it is poured.
When forms are pointed out as
defective, those forms
shall then be removed from the
job site and not
returned until they have been
inspected by the
Engineer.
V-3
(7) Machine Laid Curb and Gutter
Class A concrete shall be used for machine laid curb
and gutter. The slump of the concrete shall be as
directed by the Engineer. Reinforcing steel, if
required, shall conform'to Section 3 under Materials of
Construction.
The curb and gutter shall be laid by an extrusion
machine approved by the Engineer. Immediately prior to
placing the curb and gutter, the previously approved
foundation shall be thoroughly cleaned.
The line for top of curbshallbe maintained from a
guideline set by the Contractor from survey marks
established by the Engineer. Curb outline shall
strictly conform to the details shown on the plans.
The approved mix shall be fed into the machine in such
a manner and at such consistency that the finished curb
will present a well compacted mass with a surface free
from voids and honeycombs and true to established
shape, line, and grade.
Additional surface finishing shall be performed
immediately after,extrusion. Extra water will not be
added for finishing. Unless otherwise specified by the
Engineer, joints shall be constructed as follows: -
Expansion joints shall be located at each end radius at
intersections and alley returns and at the beginning of
the pour, and dummy grooved joints shall be spaced at
10 foot intervals between the expansion joints.
(8) Curing
All concrete work shall be covered with heavy water-
proof type paper to prevent loss of moisture and to
prevent, direct sunlight from striking the concrete, as
soon as it has set sufficiently enough to prevent
marking.
In lieu of this method of curing, the curb and gutter
may be cured by applying a liquid membrane coating to
all exposed surfaces, provided such material and method
is first approved by the Engineer.
(9) Filling Behind Curb
After the forms are removed and the concrete has cured,
the contractor shall fill the area behind the curb with
top soil. The area between the sidewalk and the curb or
V-4
7
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property line and curb, if no sidewalk exists, shall be
leveled and sloped toward the curb in a manner
satisfactory to the property owner and/or Engineer.
Fill should be done prior to dumping caliche.
(10) Replacement of Damaged Curb and Gutter or Gutter
No patching of any nature shall be allowed in repairing
any damage to curb and gutter which occurs during the
construction process of paving improvements in any unit
prior to the acceptance of said unit. Where damage
occurs, the section of curb and gutter or gutter
containing the damaged portion shall be removed to the
nearest joints and shall be replaced with new
construction, prior to surfacing of that section of
street.
Concrete surface finish marred by vandals, rain or sand
during setting time shall be immediately repaired with
an approved epoxy material; all abused concrete
surface, along with structural damage and defective
flow line found at time of surfacing shall be handled
as described in sentence 2 above.
B. Reinforced Concrete 30" Separate Gutter (Class E
Concrete) Description
f
This item shall consist of Portland cement 30"
separate gutter constructed in accordance with the
typical curb and gutter sections included in these
r' specifications and at locations as shown on the
r plans or as directed by the Engineer.
r- (1) Subarade Preparation (See Section V_2)
(2) Reinforcing Steel - See Section 3 Under
Materials of Construction
(3) Placement of Reinforcement
Care shall be taken to tie
horizontal # 3 bars to the
vertical # 3 bar pins at a
the bottom.
V-5
the (3) three
(3) three
point 3" above
C. Reinforced CONCRETE VALLEY GUTTERS (CLASS C and
Class E Concrete)
Description
This item shall be constructed of class C concrete
for thoroughfare or collector street valley gutters
and Class E concrete for residential street valley
gutters and consists of the construction of an eight
(8) inch concrete slab on thoroughfare or collector
streets or a (6) inch concrete slab on residential
streets reinforced with 4-Number 3 bars on one and
one-half (1-1/2) foot spacing for 5 foot wide valley
gutters,(Cross bars shall be #3 bars 4-1/2 feet
long) or with 611x6" 6 gauge wire mesh. Fillet areas
shall be reinforced as shown on the plans and
constructed to the lines and grades as shown on the
plans and as designated by the Engineer. Details of
construction are the same as for curb and gutter
where they can be directly applied. --
(1) Subarade Preparation (See Section V-2)
(2) Reinforcing Steel - See Section 3 under
Materials of Construction.
(3) Placement of Reinforcement
Care shall be taken to hold the steel in the
center of the slab, high chairs or precast
concrete blocks shall be located at three (3)
foot centers. Lapping distance shall be 40
diameters, and the lap shall be tied at three
points with wire if steel bars are used.
D. Reinforced Alley Paving Slab and Alley Returns
(Class E Concrete) --
Description
This item shall consist of reinforced concrete
paving of variable thickness (5" to 7-1/2")
constructed in the center 10 feet of alleys and
shall be constructed of Class E concrete. All alley
paving and alley returns shall be constructed in
accordance to the Alley Paving Details.
V-6
(1) Forminct
Forms for alley slab shall be placed where
necessary to form the outside edge of slab
(where slab is not bordered by concrete curb and
gutter or other permanent improvements such as
r
building, docks, etc.)and where necessary to
form construction and expansion joints (See
"Alley Paving Details" on plans). on all edges,
joints, etc. to be formed, the forms shall
extend the entire depth of concrete.
�.
(2) Subarade Preparation (See Section V-2)
(3) Reinforcing
Care shall be taken to securely hold the welded
t
wire mesh 3" above the bottom of the slab by use
of high chairs or pre -cast concrete blocks.
F
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(4) Placement
Concrete shall be deposited so as to conform
roughly to the finished cross-section.
Sufficient concrete shall be placed to allow for
shrinkage and extra material for finishing.
concrete shall not be poured during sandstorms.
concrete shall be protected to maintain
temperature of not less than 50 degrees F. for
five (5) days after placement. If aggregate and
water are heated, they shall not be heated above
90 degrees F. Concrete shall not placed when the
ambient temperature is less than 40 degrees F.
It shall be the responsibility of the Contractor
to anticipate as nearly as possible changes in
weather conditions which could effect the
placement and protection of the concrete, and to
be prepared to protect freshly placed concrete
when sudden changes in the weather make such
protection necessary.
(5) Finishing
The shape and flow line of the alley paving slab
may be established by the use of two (211) inch
by four (411) inch wood screeds, or other
approved removable devices, accurately staked to
line and grade. If such devices are used they
shall be in place before the final finishing of
the subgrade and the subgrade shall be finished
V-7
so that the concrete slab will be of the proper
depth. The concrete shall be "struck off" to the
true section and.,finished smooth by floating and
troweling. The final finish shall be provided by
brushing to provide a nonskid surface for
traffic. Particular care shall be taken in the
final troweling and finishing so that the
finished slab presents a smooth straight surface
without waves in the edge and without pockets in
the flow line.
(6) Curing and Protection
All concrete work shall be covered with burlap
or other suitable material as soon as it has set
sufficiently to prevent marking and kept wet
continuously for at least (4) days. Care shall
be taken to prevent mechanical injury to
concrete work during this period and until the
work is accepted. Any work damaged prior to
acceptance shall be repaired by the Contractor
at his own expense and to the satisfaction of
the City Engineer.
The City Sanitation Department shall be notified
of all alley return and alley paving
construction, and if possible, the length of
time said return and/or alley shall be closed to
traffic. The Contractor shall properly flare and
barricade alley returns and alleys during the --
period of construction and as long afterward as
the Engineer may require for curing and
achieving strength. Before opening alley returns
to traffic, the contractor shall properly fill
and level by hand, (no maintainer shall be used
until full strength of concrete is achieved),
the adjacent approaches from the street and
alley. In all cases, no alley or alley return
shall be opened to traffic without the approval
of the City Engineer.
(7) Removing Forms
Special care is required of the Contractor in
his removing of pins and moving of forms. Pins
shall be pulled from the ground to free forms.
If hammering is found to be necessary a light,
one (1) pound hammer shall be used. The
contractor shall not place forms or pins on
newly finished concrete. Loading and unloading
of forms from a truck shall be executed by two
V-8
{ workmen. It is the duty of the Contractor to
remove any warped forms found in any section of
forms, before it is poured. When forms are
pointed out as defective, those forms shall then
be removed from the job site and not returned
until they have been inspected by the Engineer.
(8) Replacement of Damaged Concrete or Concrete
Surface
Only patching of very minor nature will be
allowed in alley paving. Any substantial damage
occurring to the alley paving prior to the
acceptance of the unit in which the damage
occurs will be remedied by removal and
replacement of the entire section or sections of
alley paving that has been damaged. Any slab
removed to a joint other than a doweled
expansion joint will be replaced using joint
section B-B in the Special Detail Sheets of
these specifications. Extreme care shall be
taken by the Contractor during "Setting -Up"
period to prevent vandals, sand or rain from
marring the surface finish to avoid being
handled as described in sentence 2, above.
E. Reinforced Concrete Median Curb (Class A Concrete)
This item shall consist of reinforced concrete slab
r (611) inches thick and may be placed on asphalt
! surface on caliche base, or on asphalt surface on
concrete base. Median slab shall be doweled as shown
on the plans. Details of concrete placement,
finishing, and curing shall be used where
applicable.
r
(1) Subgrade Preparation (See Section V-2)
F. Reinforced Concrete Railroad Crossing (Class F
Concrete)
Description
This item shall consist of the construction of Class
F reinforced concrete as shown on Concrete Railroad
Crossing Details. (File #2-B-92 [2]).
(1) Subgrade Preparation (See Section V-21
(2) Reinforcing Steel Bars to be Used)
V-9
Reinforcing steel to be used on this project
shall conform to A.S.T.M. Designation A-432 and
shall be deformed to A.S.T.M. 305 requirements.
(3) Placement of Reinforement
Care shall be taken to hold the (1/2") bars
above the bottom of the foundation slab and
above the railroad ties as shown on the plans.
In the top slab the vertical and horizontal bars
shall be securely tied with wire.
G. Reinforcing Concrete Drainage Slabs (Class A
Concrete).
This item shall consist of a concrete slab (5")
thick and containing wire mesh reinforcing which
shall conform to "Standard Specification for Welded
Steel Wire Fabric For Concrete Reinforcement" ASTM
Designation A-185.
A transverse dummy groove contraction joint, as
described in illustration 2-A-101, will be required
every (13) feet.
(1) Subarade Preparation (See Section V-21
H. Concrete Pavement - Class C concrete
Description
This item shall consist of a pavement of portland
cement concrete, with reinforcement as shown on ^
plans, constructed as herein specified on the
prepared subgrade and one inch of sand cushion or
other base course in conformity with the thickness
and typical cross sections shown on plans and to the
lines and grades established by the Engineer.
Concrete shall be considered of satisfactory quality
provided it is made (a) of materials accepted for
the job, (b) in the proportions established by the
Engineer and (c) Mixed, placed, finished and cured
in accordance with the requirements herein
specified.
Materials
(1) Cement
The cement shall be Type I or Type III standard
brand of Portland cement. If the use of high
V-10
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early strength cement is not specified, and the
Contractor desires to use it, he shall obtain
written permission of the Engineer and shall
assume all additional costs incurred by the use
of such cement. Type I and Type III cement shall
conform to the requirements of ASTM Designation:
C150. When Type III cement is used, the average
strength at the age of 7 days shall be higher
than that attained at 3 days. Either the tensile
or the compression tests may be used for either
type cement. In addition to the requirements of
ASTM Designation C150, the specific surface area
of Type I cement shall not exceed 2,000 square
centimeters per gram as measured by the Wagner
Turbidmeter in accordance with Test Method Tex-
310-D.
(2) Admixtures
Unless otherwise provided in the plans or
special provisions, approved types of admixtures
to minimize segregation, to improve workability,
or to reduce the amount of mixing water may be
used in the rate of dosage specified by the
Engineer. Admixtures shall not be used to
replace cement. Admixtures shall comply with all
the requirements and be measured and dispensed
in accordance with T.H.D. Item 437, "Concrete
Admixtures".
(3) Coarse Aggregate.
Coarse aggregate shall consist of durable
particles of crushed limestone (Brownwood Type)
of reasonably uniform quality throughout, free
from injurious amounts of salt, alkali,
vegetable matter or other objectionable
material, either free or as an adherent coating
on the aggregate. It shall not contain more than
0.25 percent by weight of clay lumps, nor more
than 1.0 percent by weight of shale nor more
than 5.0 percent by weight of laminated and/or
friable particles when tested in accordance with
Test Method Tex-413-A.
Coarse aggregate shall have a wear of not more
than 45 percent when tested according to Test
Method Tex-410-A and when tested by standard
laboratory methods shallmeetthe following
grading requirements:
7"
Retained on 1-3/4" sieve ..... ................0%
Retained on 1-1/2" sieve................0 to 5 %
Retained on 3/4" sieve.................30 to 65%
Retained on 3/811 sieve ................. 70 to 90%
Retained on No. 4 sieve...............95 to 100% _
Loss by Decantation Test
Method Tex-406-A ...1.0% Maximum
All aggregate shall be handled and stored in
such a manner as to prevent size segregation and
contamination by foreign substances. When
segregation is apparent, the aggregate shall be
remixed. At the time of its use, the aggregate
shall be free from frozen material. Aggregate
that contains more than 0.5 percent free
moisture by weight shall be stockpiled for at
least 24 hours prior to use.
Adequate storage facilities shall be provided
for all approved materials. The intermixing of
nonapproved materials with approved materials
either in stockpiles or in bins will not be
permitted. Aggregates from different sources
shall be stored in different stockpiles unless
otherwise approved by the Engineer. --
Aggregates shall be stockpiled in such a manner
to prevent segregation, and maintained as nearly
as possible in a uniform condition of moisture.
Each aggregate stockpile shall be reworked with
suitable equipment as required by the Engineer
to remix the material to provide uniformity of
the stockpile.
(4)Fine Aggregate.
Fine aggregate shall consist of sand or a
combination of sands, and shall be composed of
clean, hard, durable,uncoated grains. Unless
otherwise shown on plans, the acid insoluble
residue of the fine aggregate shall be not less
than 28 percent by weight when tested in
accordance with Test Method Tex-612-J.
V-12
(5) Fine Aggregate Exclusive of Mineral Filler
Fine aggregate shall be free from injurious
{ amounts of salt, alkali or vegetable matter. It
shall not contain more than 0.5 percent by
a^ weight of clay lumps. When subjected to the
color test for organic impurities, Test Method
Tex-408-A, the fine aggregate shall not show a
color darker than the standard.
Unless specified otherwise, fine aggregate shall
meet the following grading requirements:
Retained on 3/8" sieve ........... ...0..... Got
Retained on No.4 sieve................0 to 5%
Retained
on No.
8 sieve..............0
to
20%
Retained
on No.
16 sieve ............ 15
to
30%
Retained
on No.
30 sieve ............ 35
to
75%
Retained on No. 50 sieve ............ 70 to 90%
Retained on No. 100 sieve .......... 90 to 100%
Retained on No. 200 sieve .......... 97 to 100%
Fine aggregate will be subjected to the Sand
Equivalent Test (Test Method Tex-203-F). The
sand equivalent value shall not be less than 80,
�.. or less than the value shown on the plans,
whichever is greater.
(6) Mineral Filler
7
Mineral filler shall consist of clean stone
dust, crushed sand, crushed shell or other
approved inert material. When tested in
accordance with Test Method Tex-401-A, it shall
meet the following requirements:
Retained on No. 30 sieve.....................0%
Retained on No. 200 sieve...............0 to 35%
At the time of its use the mineral filler shall
be free from frozen material, and aggregate
containing foreign material will be rejected.
V-13
(7) Mixing Water
Water for use in concrete and for curing shall
be free from oil acids, organic matter or other
deleterious substances and shall not contain
more than 1,000 parts per million of chlorides
as CL. nor more than 1,000 parts per million of
sulfates as SO4.
Water from municipal supplies approved by the ^
State Health Department will not require
testing, but water from other sources will be
sampled and tested before use.
Test procedure shall be in accordance with AASHO
Designation: T 26. -
(8) Steel Dowel Bars
Steel bar dowels,'if used in accordance with
provisions of project plans, shall be of the
size and type indicated on plans and shall be
open-hearth, basic oxygen or electric -furnace
steel conforming to the mechanical properties
specified for grade 60 in ASTM Designation:
A615. The free end of dowel bars shall be smooth
and free of shearing burrs.
(9) Steel Reinforcement
Unless otherwise shown on the plans, steel
reinforcing bars as required including the tie
bars shall be open-hearth, basic oxygen or --
electric-furnace new billet steel of Grade 60 or
Grade 40 for concrete reinforcement. Bars that
require bending shall be Grade 40 conforming to
requirements of ASTM Designation: A-615.
High yield reinforcing steel shall be either (1)
open-hearth, basic oxygen or electric -furnace
new billet steel conforming to the requirements
of ASTM Designation: A-615 Grade 60 or (2) rail
steel bars for concrete reinforcement,
conforming to the requirements of ASTM
Designation: A-616 Grade 60. (Bars produced by
piling method will not be accepted).
Where prefabricated wire mats are specified or
permitted, the wire shall be cold worked steel
wire conforming to the requirements of ASTM --
Designation: A 496, except that steel shall be
V-14
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made by open-hearth, electric -furnace, or basic
oxygen processes. The prefabricated wire mats
shall conform to the requirements of ASTM
Designation: A 497. Mats that have been bent or
wires dislocated or parted during shipping or
project handling shall be realigned to within
one-half inch of the original horizontal plane
of the mat. Mats with any portion of the wires
out of vertical alignment more than one-half
inch after realignment and/or wires dislocated
or mutilated so that, in the opinion of the
Engineer, they do not represent the original
mat, shall be rejected. The mats may clamped
or wired so that the mats will retain the
horizontal and vertical alignment as specified
by the plans or as approved by the Engineer.
Deformed wire may be used for tie bars and load
transfer bars that require bending.
When fabricated steel bar or rod mats are
specified, the mats shall meet the requirements
of ASTM Designation: A-184.
All concrete placed for pavement shall be
consolidated by approved mechanical vibrators
designed to vibrate the concrete internally. The
internal type will be used for full -depth
placement. Vibratory members shall extend across
the pavement practically to, but shall not come
in contact with the side forms. Mechanically
operated vibrators shall be operated in such a
manner as to not interfere with the transverse
or longitudinal joints.
Separate vibratory units shall be operated at
sufficiently close intervals to provide uniform
vibration and consolidation to the entire width
of the pavement. The frequency in air of the
internal spud type vibratory units shall be not
less than 8,000 cycles per minute and not less
than 5,000 cycles per minute for tube types and
the method of operation shall be as directed by
the Engineer. The Contractor shall have a
satisfactory tachometer available for checking
the vibratory elements.
The pavement vibrators shall not be used to
level or spread the concrete but shall be used
only for purposes of consolidation. The
k�04.1
vibrators will not be operated where the surface
of the concrete, as spread, is below the �-
elevation of the finished surface of the
pavement, except for the first lift of concrete
where the double strike off method of placement _
is employed, and the vibrators shall not be
operated for more than 15 seconds while the
machine upon which they are installed is
standing still,' _
Approved hand manipulated mechanical vibrators
shall be furnished in the number required for
provision of proper consolidation of the
concrete along forms, at joints and in areas not
covered by mechanically controlled vibrators.
These vibrators shall be sufficiently rigid to
insure control of the operation position of the
vibrating head.
Complete and satisfactory consolidation of the
concrete pavement is a most important
requirement of this specification. Cores taken ^
shall be carefully examined for voids,
honeycombing or other evidence of incomplete
consolidation. If such evidence is present,
changes in,the consolidation procedures and/or --
equipment will be made to insure satisfactory
consolidation.
(11) Finishing
Machine -Finishing. All concrete pavement shall
be finished mechanically with approved power -
driven machines, except as herein provided.
Hand -finishing will be permitted on the
transition from a crowned section to a
superelevated section without crown or curves,
and on straight line superelevation sections
less than 300 feet in length. Hand -finishing
will also be permitted on that portion of a
widened pavement outside the normal pavement
width, on sections where the pavement width is
not uniform, or required monolithic widths are
greater than that of available finishing
machines.
Machine -finishing of pavement shall include the
use of power -driven spreaders, power -driven
vibrators, power -driven transverse strike -off,
and screed, or such alternate equipment as may
be substituted and approved by the Engineer.
V-16
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- All concrete shall be consolidated by a
mechanical vibrator. As soon as the concrete has
r" been spread between the forms, the approved
mechanical vibrator shall be operated to
consolidate the concrete and remove all voids.
Hand -manipulated vibrators shall be used for.
areas not covered by the mechanical vibratory
unit.
F
The transverse finishing machine shall first be
operated to compact and finish the pavement to
the required section and grade, without surface
voids. The machine shall be operated over each
area as many times and at such intervals as
directed. At least two trips will be required
and the last trip over a given area shall be a
continuous run of not less than 40 feet. After
completion of finishing with the transverse
finishing machine a transverse drag float may be
used.
The consistency of the concrete as placed should
allow the completion of all finishing operations
without the addition of water to the surface.
When field conditions are such that additional
moisture is needed for the final concrete
surface finishing operation, the required water
shall be applied to the surface by fog spray
only and shall be held to a minimum.
After finishing is complete and the concrete
still workable, the surface shall be tested for
trueness with an approved 10-foot steel
straightedge. The straightedge shall be operated
from the side of the pavement, placed parallel
to the pavement centerline and passed across the
slab to reveal any high spots or depression. The
straightedge shall be advanced along the
pavement in successive stages of not more than
one-half its length. Practically perfect contact
of the straightedge with the surface will be
required, and the pavement shall be leveled to
this condition, in order to insure conformity
with the surface test required below, after the
pavement has fully hardened. Any correction of
the surface required shall be accomplished by
adding concrete if 'required and by operating the
longitudinal float over the area. The surface
test with the straightedge shall then be
repeated.
V-17
For one -lane pavement placement and uniform
widening, the equipment for machine -finishing of
concrete pavement shall be as directed by the
Engineer but shall not exceed the requirements
of these specifications.
After completion of the straightedge operation,
as soon as construction operations permit,
texture shall be ,applied with 1/8-inch wide -,
metal tines with clear spacing between the tines
being not less than 1/4`inch nor more than 1/2
inch. If approved by the Engineer, other
equipment and methods may be used, provided that
a surface texture meeting the specified
requirements is obtained. The texture shall be
applied transversely. It is the intent that the --
average texture depth resulting from the number
of tests directed by the Engineer be not less
than 0.060 inch with a minimum texture depth of
0.050 inch for any one test when tested in
accordance with Test Method Tex-436-A. Should
the texture depth fall below that intended, the
finishing procedures shall be revised to produce
the desired texture.
(12) Proportioning of Concrete
Concrete shall be composed of Portland cement,
fine aggregate, coarse aggregate, mineral filler
and/or admixture if used and water, mixed in
proportions as approved by the Engineer in the
mix design as submitted by a commercial
laboratory and in the manner set forth in this
specification. On the basis of job and
laboratory investigations of the proposed
materials, the Engineer will fix the proportions
by weight .of water, coarse aggregate, fine
aggregate, cement, admixture and mineral filler
where required, in order to produce concrete of
the specified strength and workability.
(13) Concrete Strenath
The concrete mix will be designed with the
intention of producing a minimum average
flexural strength (Modulus of rupture) of 600
pounds per square inch and compressive strength
of 3000 psi at 7 days and/or a 28 day
compressive strength of 3,600 pounds per square
inch. The coarse aggregate factor (dry, loose
volume of coarse aggregate per unit volume of
V-18
concrete) shall not exceed 0.85. Unless
otherwise shown on plans the concrete shall
contain not less than six sacks of cement per
cubic yard of concrete. The water -cement ratio
(net gallons of water per sack of 94 pound
cement) shall not exceed 6.0 gallon/sack.
Concrete specimens shall be prepared, cured and
tested as outlined in THD Bulletin C-11.
(14) Workability of Concrete
Concrete shall be uniformly plastic, cohesive
and workable. Workable concrete is defined as
concrete which can be placed without honeycomb
and without voids in the surface of the
�.,
pavement. Workability shall be obtained without
producing a condition such that free water
-
appears on the surface of the slab when being
finished as specified. Where water appears on
the surface of the concrete after finishing and
this condition cannot be corrected by reasonable
adjustment in the batch design, the bleeding
will be immediately corrected by one of the
following measures or a combination of two or
more of the following listed measures:
(a) Redesign of the batch
(b) Addition of mineral filler to fine aggregate
(c) Increase of cement content
In the event that the measures taken do not
eliminate the bleeding immediately, concrete
placement operations will be suspended, as
directed by the Engineer, and will remain
suspended, until such time as additional trial
mixes demonstrate that a non -bleeding batch
design has been achieved. Failing to achieve a
satisfactory laboratory batch design the
Contractor will be required to use different
materials and to submit samples thereof for
additional trial mixes and pilot beams as
specified in THD Bulletin C-11.
The mix will be designed with the intention of
producing concrete which will have a slump of 1-
1/2 inches when tested in accordance with THD
Bulletin C-11. The slump shall not be less than
1 inch nor more than 3 inches.
V-19
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I
(15) Mix Design
Prior to the beginning of the concrete
placement, and thereafter before any change in
source or characteristics of any of the
ingredients except mineral filler, sufficient
compression tests using various quantities of
cement and aggregates proposed for use shall be
supplied the Engineer for consideration.
Mixes will be designed and made in sufficient
number to represent a wide range of water -cement
ratios. These mixes shall comply with the --
requirements herein prescribed for workability.
From these preliminary tests the water -cement
ratio required to produce concrete of the
specified strength will be selected by the
Engineer. The Contractor may at any time present
in writing a suggested mix design and the
Engineer will make the tests necessary to -
determine its acceptability under these
specification requirements.
For mixing the concrete to be used in making the
preliminary test specimens, the Contractor shall
furnish and operate the mixer approved for use
on this project. A minimum one cubic yard batch
shall be mixed or a batch of sufficient size to
afford proper mixing, whichever is the greater.
In lieu of the above mixer and procedure, the
Contractor may furnish a portable mixer of
sufficient rated capacity to mix a minimum
three -sack batch; in which case, the batch mixed
for the preliminary test shall not be less than
the rated capacity of the mixer furnished.
No additional compensation will be allowed for
equipment, materials or labor involved in making
preliminary test specimens.
After the mix proportions and water -cement ratio
required to produce concrete of the specified
strength have been determined, placing of the
concrete may be started.
Type I cement shall :have a specified surface
area within a range of 1,600 to 1,900 square
centimeters per gram. A.change in the specific
surface of the cement of more than 100 square
centimeters per gram.may require a new mix
design.
V-20
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7
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7
(16) Subgrade and Forms
Preparation of subgrade.
Rolling and sprinkling shall be performed when
and to the extent directed, and the roadbed
shall be completed to or above the plane of the
typical sections shown on the plans and the
lines and grades established by the Engineer.
Drainage of the roadbed shall be maintained at
all times. Sealed or treated subgrade cut in the
preparation of the subgrade or setting of
pavement forms shall be resealed or the subgrade
restored to the original conditions as directed
by the Engineer. See Section V-2.
The subgrade shall be maintained in a smooth,
compacted condition in conformity with the
required section and established grade until the
pavement is placed and shall be kept thoroughly
wetted down sufficiently in advance of placing
any pavement to insure its being in a firm and
moist condition for at least 2 inches below the
prepared surface. Sufficient subgrade shall
always be prepared in advance to insure
satisfactory prosecution of the work. No
equipment.or hauling shall be permitted on the
prepared subgrade, except by special permission
of the Engineer, which will be granted only in
exceptional cases and only where suitable
protection in the form of two-ply timber mats or
other approved material is provided.
(17) Placing and Removing Forms
The subgrade under the forms shall be firm and
cut true to grade so that each form section when
placed will be firmly in contact for its whole
length and base width, and exactly at the
established grade. Forms shall be staked with at
least three pins for each 10-foot section. A pin
shall be placed at each side of every joint.
Form sections shall be tightly joined and keyed
to prevent relative displacement. Forms shall be
cleaned and oiled each time they are used.
Forms shall be set for a sufficient distance in
advance of the point where concrete is being
placed to permit a finished and approved
subgrade length of not less than 300 feet ahead
V-21
7
of the mixing. Conformity of the grade and
alignment of forms shall be checked immediately
prior to placing concrete, and all necessary -,
corrections made by the Contractor. Where any
forms have been disturbed or any subgrade
becomes unstable, the forms shall be reset and
rechecked. In exceptional cases, the Engineer
may require stakes driven to the grade of the
bottom of the forms. Sufficient stability of the
forms to support the equipment operated thereon -�
and to withstand its vibration without springing
or settlement shall be required. If forms settle
and/or deflect over 1/8 inch under finishing .,
operations, paving operations shall be stopped
and the forms shall be reset to line and grade.
Forms shall remain in place for not less than 12
hours after the concrete has been placed. They
shall be carefully removed in such a manner that
little or no damage will be done to the edge of -.
the pavement. Any damage resulting from this
operation shall be immediately repaired. After
the forms have been removed, the ends of all
joints shall be cleaned, and any honeycombed
areas pointed up with approved mortar.
Immediately after pointing is completed, the
form trench, if used, shall be filled with earth
from the shoulders in such a manner as to shed
water from rainfall or curing away from the edge
of the pavement. On completion of the required
curing, the subgrade or shoulders adjacent to
the pavement shall be graded in a condition to
maintain drainage.
Allowable grade revisions shall in no way affect
the governing finishing and surface requirements
of the completed pavement.
All grade revisions shall be established by the
Engineer. No additional payment over the
contract unit price will be. made for any
pavement of a thickness exceeding that required
on the plans as a result of adjustment of the
forms.
I. Concrete Mixing and Placing
(1) Mixing
The aggregates, mineral filler if required,
cement and water shall be measured separately,
V-22
F
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7
introduced into the mixer, and mixed for a
period of not less than 5o seconds nor more than
90 seconds, measured from the time the last
aggregate enters the drum to the time discharge
of the concrete begins. The required water shall
be introduced into the mixing drum during the
first 15,seconds of mixing. The entire contents
of the drum shall be discharged before any
materials of the succeeding batch are
introduced.
The Engineer may increase the minimum mixing
time to that necessary to produce thoroughly
mixed concrete based on inspection or
appropriate uniformity tests. The mixing time
may be varied at any time necessary to produce
acceptable concrete.
If Ready -Mix concrete is used, the concrete
shall be discharged into the specified hauling
equipment and delivered to the road site. If
truck agitators are used, the concrete shall be
continuously agitated at not less than one nor
more than six rpm as directed by the Engineer.
The initial batch of concrete mixed after each
time the mixer is washed out shall be enriched
by additional mortar. The additional mortar
shall be one sack of cement and three parts of
sand.
(2) Placing
Any concrete not placed as herein prescribed
within 30 minutes after mixing shall be rejected
and disposed of as directed except as provided
otherwise herein. Except by specific written
authorization of the Engineer, concrete shall
not be placed when the temperature is below 40F,
the temperature being taken in the shade and
away from artificial heat.
When such permission is granted, the Contractor
shall furnish an approved enclosure, such as
canvas -covered framework, to enclose and protect
all pavement so placed, and shall maintain the
temperature of the air surrounding the concrete
at not less than 500 F for not less than 5 days.
When concrete is being placed in cold weather,
other than under the conditions stated above,
the Contractor shall have available a sufficient
V-23
supply of an approved covering material to
immediately protect concrete if the air
temperature falls to 320 F, or below, before
concrete has been placed 4 hours. Such
protection shall remain in place during the
period the temperature continues below 320 For
for a period of not more than 5 days. Neither
salt nor other chemical admixtures shall be
added to the concrete to prevent freezing. The _
Contractor shall be responsible for the quality
and strength of concrete under cold weather
conditions and any concrete damage by freezing
shall be removed and replaced at his expense.
Concrete shall not be placed before sunrise and
shall not be placed later than will permit the
finishing of the pavement during sufficient
natural light.
Concrete shall be placed only on approved
subgrade or sub -base, and unless otherwise "~
indicated on plans, the full width of the
pavement shall be constructed monolithically.
The concrete shall be deposited on the subgrade
or sub -base in such manner as to require as
little rehandling as possible. Where hand
spreading is necessary, concrete shall be
distributed to the required depth by use of
shovels. The use of rakes will not be permitted.
Workmen will not be permitted to walk in the
concrete with any earth or foreign material on
their boots or shoes. The placing of concrete
shall be rapid and continuous.
Concrete shall be distributed to such depth that
when consolidated and finished, the slab
thickness required by plans will be obtained at
all points and the surface shall not, at any
point, be below the established grade. Special
care shall be exercised in placing and spading
concrete against forms and at all joints to
prevent the forming of honeycombs and voids.
If in the opinion of the Engineer, the
temperature, wind and/or humidity conditions are
such that the quality of the concrete will not
be adversely affected, the specified placing
time may be extended to a maximum of 45 minutes.
V-24
pot
1 ( 3 ) Reinforcing Steel
All reinforcing steel, including steel wire
fabric reinforcement, tie bars, and dowel bars
shall be accurately placed and secured in
position in accordance with details shown on
plans. Reinforcing bars shall be securely wired
together at alternate intersections, following a
pattern approved by the Engineer, and at all
splices, and shall be securely wired to each
dowel intersected. When wire fabric is used, it
shall be securely wired together at all splices
and to each dowel intersected. Tie bars shall be
installed in the required position by the method
and device shown on plans or by approved method
and device equivalent thereto.
Tightly adhered scale or rust which resists
removal by vigorous wire brushing need not be
removed except that excessive loss of section to
the reinforcement due to rust shall be cause for
rejection. Excessive loss of section shall be
defined as loss of section to the extent that
the reinforcement will no longer meet the
physical requirements for the size and grade of
steel specified.
Where plans require an assembly of parts at
pavement joints, the assembly shall be
completed, placed at required location and
elevation, and all parts rigidly secured in
required position by the method and devices
shown on plans. Dowel bars shall be accurately
installed in joint assemblies in accordance with
plans, each parallel to the pavement surface and
to the center line of the pavement, and shall be
rigidly secured in required position by such
means (as shown on plans) that will prevent
their displacement during placing and finishing
of the concrete.
E; (4) Joints
When the placing of concrete is stopped, a
bulkhead of sufficient cross sectional area to
prevent deflection, accurately notched to
receive the load transmission devices or dowels
if required, and shaped accurately to the cross
section of the pavement shall be provided and
installed as a back-up for the joint filler and
r' rigidly secured in required position to permit
V-2 5
accurate finishing-of'the concrete up to the
joint. After concrete has been finished to the
joint, formation of the joint seal space and
finishing of the joint shall be executed. The
back-up bulkhead shall remain in place until
immediately prior to the time when concrete
placing is resumed, when it shall be carefully
removed in such manner that no element of the
joint assembly will be disturbed. The exposed
portion of the joint assembly shall be free of
adherent concrete, dirt or other material at the
time placing of concrete is resumed.
If necessary for proper installation of joint
sealer, excessive spalling of the joint groove
shall be repaired to the satisfaction of the
Engineer in the manner which he prescribes.
Careful workmanship shall be exercised in the
construction of all joints to insure that the
concrete sections are completely separated by an
open joint or by the joint materials and to
insure that the joints will be true to the
outline indicated.
(5) Weakened Plane Joints
Weakened plane joints shall consist of
transverse contraction joints and longitudinal
joints and shall be sawed as specified on the
plans or as directed by the Engineer. When the
joints are sawed, the saw shall be power driven,
shall be manufactured especially for the purpose
of sawing concrete, and shall be capable of
performing the work. Saw blades shall be
designed to make a clean smooth cut having a
width and depth of cut as detailed on the plans.
Tracks adequately anchored, chalk, string line
or other approved methods shall be used to
provide true alignment of the joints. The
concrete saw shall be maintained in good
operating condition and the Contractor shall
keep a stand-by power saw on the project at all
times when concrete operations are under way.
If membrane curing is used, the portion of the
seal which has been disturbed by sawing
operations shall be restored by the Contractor
by spraying the area with additional curing
seal.
V-26
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p�
t
(6) Contraction Joints
Transverse contraction joints shall be formed or
sawed joints perpendicular to the centerline and
surface of the pavement. Where sawed joints are
used, contraction joints at approximately 10 to
15-foot intervals shall be sawed as soon as
sawing can be accomplished without damage to the
pavement and before 12 hours after the concrete
has been placed, the exact time to be approved
by the Engineer. The remaining contraction
Joints shall be sawed in a uniform pattern as
directed by the Engineer, and they shall be
completed before uncontrolled cracking of the
pavement takes place. All joints shall be
completed before permitting traffic to use the
pavement.
(7) Longitudinal Joints
Longitudinal joints shall be sawed within two
days after construction of the pavement. Sawing
shall not cause damage to the pavement and the
grooves shall be cut with a minimum of spalling.
No traffic (including construction traffic)
shah be permitted on the pavement until the
longitudinal joint is cut.
(8) Joint Sealers
After the joints in the hardened concrete have
been repaired (if necessary) and cleaned to the
satisfaction of the Engineer, the joints will be
r" filled with the W.R. Meadows sof-seal or
1 approved equivalent. After the sealant is
installed it will effectively seal the joints
against water, dirt and stones throughout
repeated cycles of expansion and contraction.
F
(9) Asphalt Board
Premolded materials, wherever used, shall be
anchored to the concrete on one side of the
joint by means of copper wire or nails not
lighter than No. 12 B&S gage. Such anchorage
shall be sufficient to overcome the tendency of
the material to fall out of the joint.
V-27
7
(10) Spreading and Finishincr
All concrete pavement shall'be consolidated by a
mechanical vibrator. As soon as the concrete has
been spread between the forms, the approved
mechanical vibrator shall be operated to
consolidate the concrete and remove all voids.
Hand manipulated vibrators shall be used for
areas not covered by the mechanical vibratory
unit.
After finishing is completed and the concrete
still workable, the surface shall be tested for
trueness with an approved 10-foot steel
straightedge. The straightedge shall be operated
from the side of the pavement, placed parallel
to the pavement centering and passed across the
slab to reveal any high spots or depressions.
The straightedge shall be advanced along the
pavement in successive stages of not more than
one-half its length. Practically perfect contact
of the straightedge with the surface will be
required, and the pavement shall be leveled to
this condition, in order to insure conformity
with the surface test required after the
pavement has fully hardened. Any correction of
the surface required shall be accomplished by
adding concrete if required and by operating the
longitudinal float over the area. The surface
test with the straightedge shall then be
repeated. Extra water will not be added for
finishing.
After completion of the straightedge operation,
the first pass of the burlap drag shall be made
as soon as construction operations permit and
before the water sheen has disappeared from the
surface. This shall be followed by as many
passes as required to produce the desired
texture depth. There shall be no unnecessary ^-
delays between passes. The drag shall be wet
during use and maintained clean and free from
encrusted mortar. It is the intent that the _
average texture depth resulting from the number
of tests directed by the Engineer be not less
than 0.025 inches with a minimum texture depth
of 0.020 inches for any one test. Should the �-
texture depth fall below that intended, the
finishing procedures shall be revised to produce
the desired texture.
7
y The Contractor shall have available at all times
hand brooms with stiff bristles for the purpose
of providing textures when the pavement surface
is in such a condition that the burlap drag or
other methods being employed will not provide
the desired texture.
r
After completion of dragging and about the time
the concrete becomes hard; the edge of the slab
and joints shall be carefully finished as
directed by the Engineer, and the pavement shall
be left smooth and true to line.
(11) Protection of Pavement and Opening to Traffic
The Contractor shall erect and maintain the
barricades required by plans and such other
standard and approved devices as will exclude
public traffic and traffic of his employees and
agents from the newly placed pavement for the
periods of time and at locations hereinafter
prescribed by the Engineer. Portions of the
roadway, or crossings of the roadbed required to
be maintained open for use by traffic, shall not
be obstructed by the above required barricades.
The pavement shall be closed to all traffic,
including vehicles of the Contractor, until the
concrete is at least 7 days old. This period of
closure to all traffic may be extended if, in
the opinion of the Engineer, weather or other
conditions make it advisable to provide an
extension of the time of protection.
At the end of the 7 day period and as long
thereafter as ordered by the Engineer, and if so
desired by the Contractor, the pavement may be
opened for use by vehicles of the Contractor
provided the gross weight (vehicle plus load) of
such vehicles does not exceed 14,000 pounds.
Such opening, however shall in no manner relieve
the Contractor from his responsibilities for the
work. On those sections of the pavement thus
opened to traffic, all joints shall first be
sealed, the pavement cleaned and earth placed
against the pavement edges before permitting
vehicles thereon.
After the concrete in any section is 14 days
old, or as long thereafter as ordered by the
Engineer, such section of pavement may be opened
V-29
to all traffic as required by plans or when so
directed by the Engineer. on those sections of
the pavement thus opened to traffic, all joints
shall first be sealed, the pavement cleaned,
earth placed against the pavement edges and all
other work performed as required for the safety
of traffic.
When High Early Strength Concrete, resulting
from the use of Type III cement as required by
plans or special provisions, is used, the
pavement may be opened to all traffic after the
concrete is 7 days old, or as long thereafter as
ordered by the Engineer, subject to the same
provisions governing the opening after 14 days
as above prescribed.
Where the Contractor desires to move any
equipment not licensed for operating on public
streets, on or across any pavement opened to
traffic, he shall protect the pavement from all
damage by means of two-ply timber mats of 2 inch
stock or runways of heavier material laid on a
layer of earth, all as approved by the Engineer.
The Engineer may require the opening of pavement
to traffic prior to the minimum time specified
above under conditions of emergency which in his
opinion require such action in the interest of
the public. In no case shall the Engineer order
opening of the pavement to traffic within less
than 72 hours after the last concrete in the
section is placed. The Contractor shall remove
all obstructing materials, place earth against
the pavement edges and perform other work
involved in providing for the safety of traffic
as required by the Engineer in ordering
emergency opening. orders for emergency opening
of the pavement to traffic will be issued by the
Engineer in writing.
2. Earth Work
A. Subarade Preparation for curb and gutter. streets, paving
(asphalt and concrete) alley returns. alley paving, valley
gutters, and earth work.
Description
Sub -grade preparation shall include the removal, haul and
disposal of all obstructions, including existing curbs,
V-30
1
4 gutters, paving materials, base materials, concrete slabs
and other obstructions shown on the plans or as designated
by the Engineer and all scarifying, pulverizing, wetting,
disking, blading and rolling with compactors to a depth of
` at least 6" on residential streets and to a depth of 12" on
major thoroughfares and collector streets. Compactors will
be used from the bottom to the finished sub -grade elevation
to compact the subgrade to 95% Standard Proctor Density
(A.S.T.M. D-698) in conformity to the line, grade and
sections as shown on the plans or as established by the
Engineer.
After the obstructions have been removed, or in conjunction
with such removal, the street bed and/or alley return
• foundation and/or sidewalk foundation shall be excavated
and shaped in conformity with the typical section and to
the line and grades as shown on the plans or as established
by the Engineer.
F
All unstable or otherwise objectionable material shall be
removed from the subgrade and replaced with approved
material. The excavation shall be done in such a manner as
to require a minimum of fill to bring the subgrade to the
correct elevation. When the subgrade is too low as
initially excavated, the Contractor shall place additional
soil or caliche in layers not exceeding four (411) inches
and -compact each layer by moistening and rolling.
(1) Scraper Work
The utilization of a scraper for excavation and shaping
of subgrade and base is permitted with exceptions which
are determined by depths of utility lines. Unless
otherwise specified by the Engineer, the scraper shall
not exceed 23 cubic yards capacity as rated loaded
flush by the manufacturer.
(2) Compaction
The subgrade will be wetted and rolled to secure 95%
Standard Proctor Density. Before placement of the base
and/or curb and gutter and/or concrete valley gutter
and/or alley return slab and/or sidewalk, the subgrade
will be checked by test rolling six (6) times or more
if required by the Engineer with a self-propelled
roller weighing not less than 35 tons. Any soft of
unstable spots found by test rolling will be corrected
by removing the soft or unstable material and replacing
it with suitable soil compacted to 95% Proctor Density.
The areas so corrected shall be test rolled as
specified above.
V-31
19
(3) intersection
Special care shall be exercised in grading street
intersections where dips are located so that the cross
profiles present a smooth riding surface and so that
the compacted base thickness will not be less than six
(611) or nine (901). Crown section shall begin to
decrease 60 feet back of end of radius for residential
streets. Wider street dips will be blue topped as shown
on the detail sheet.
(4) Prosecution of the Work
The Contractor may proceed with subgrade preparation on
any schedule he may select except that, unless hindered
by factors beyond his control, not more than seven (7)
calendar days shall elapse between the time subgrade
preparation is begun and the spreading and compacting
of the caliche base has started. Measures shall be
taken by the contractor not to leave driveways
impassable during the night hours.
(5) Excess Materials
Materials excavated in excess of that needed in fill
and backfill behind curb shall be wasted by the
Contractor. Care shall be taken by the Contractor to
use only topsoil in the backfill behind the curbs. The
Contractor may dispose of the surplus excavated
material in any manner not objectionable to the public,
and it is his responsibility to locate a suitable site
for dumping the waste excavation. In any event, the
Contractor shall not dispose of the surplus materials
in any of the lake areas either outside or within the
city limits. Location of disposal sites near any lake
area must be approved by the Engineer.
( 6 ) Subgrade for Alley Payi
The preparation of the subgrade for concrete alley
paving shall be done in the same manner as other
subgrade excavation which requires scarifying, wetting,
disking, blading, rolling, and compacting. The
Contractor will be required to excavate around existing
improvements such as gas meter, water meters, poles,
etc. Each of these obstructions shall be the
responsibility of the Contractor. Trees that conflict
with the improvements shall be removed by the
Contractor upon approval of the Engineer.
V-32
7
7
7
The Contractor shall shape to subgrade to the cross-
section shown on the plans and to the lines and grades
established by the Engineer. After the forms 'are set
and before the reinforcing is placed,'the Contractor
shall finally shape the subgrade so that there will be
a minimum thickness of concrete of five (511) inches at
the centerline and seven and one-half inches (7-1/211)
at the outside edges. All areas where fill material is
required shall be compacted. The subgrade shall be
wetted and rolled to secure 90% Proctor Density in the
upper six (611) making a firm foundation for the alley
paving.
The Contractor will be required to shape the portion of
the alley outside of the limits of the concrete slab so
that all drainage in the alley will be to the invert of
the concrete slab. Excess excavated materials shall be
hauled to any approved location.
B. Embankment
Description
Prior to placing any embankment, all "Preparing Right -Of -
way" and/or "Clearing and Grubbing" operations shall have
been completed on the excavation sources and areas over
which the embankment is to be placed. Stump holes or other
small excavations in the limits of the embankment shall be
backfilled with suitable material and thoroughly tamped by
approved methods before commencing embankment construction.
The surface of the ground, including plowed loosened
ground, or surface roughened by small washes or otherwise,
shall be restored to approximately its original slope by
blading or other methods and where indicated on plans or
required by the Engineer, the ground surface thus prepared
shall be compacted by sprinkling and rolling.
Where embankments are to be placed adjacent to or over
existing roadbeds, the roadbeds slopes shall be plowed or
scarified to a depth of not less than six (611) inches and
the embankment built up in successive layers, as
hereinafter specified, to the level of the old roadbed
before its height is increased. Then, if directed, the top
of the roadbed shall be scarified and recompacted with the
next layer of the new embankment. The total depth of the
scarified and added material shall not exceed the
permissible depth of layer.
Trees, stumps, roots, vegetation, or other unsuitable
materials shall not be placed in embankment.
V-33
7
Except as otherwise required by the plans, all embankment
shall be constructed in layers approximately parallel to
the finished grade of the roadbed and unless, otherwise
specified each layer shall be so constructed as to provide
a uniform slope of 1/4" inch per foot from the center line
of the roadbed to the outside.
Embankments shall be constructed to the grade established
by the Engineer and completed embankments shall correspond
to the general shape of the typical sections shown on the
plans and each section of the embankment shall correspond
to the detailed section or slopes established by the
Engineer. After completion of the roadway, it shall be
continuously maintained to its finished section and grade
until the project is accepted.
Except as otherwise specified, earth embankments shall be
constructed in successive layers for the full width of the
individual roadway cross section and in such lengths as are
best suited to the sprinkling and compaction methods
utilized.
Layers of embankment may be formed by utilizing equipment
which will spread.the material as it is dumped, or they may
be formed by being spread by blading or other acceptable
methods from piles or windrows dumped from excavating or
hauling equipment.in such amounts that material is evenly
distributed.
Minor quantities of rock encountered in constructing earth
embankment shall be incorporated in the specified
embankment layers, or may be placed in accordance with the
requirements for the construction of rock embankments in
the deeper fills within the limits of haul shown on the
plans, provided such placement of rock is not immediately
adjacent to structures. Also, rock may be placed in the
portions of embankments outside the limits of the completed
roadbed width where the size of the rock prohibits their
incorporation`in the normal embankment layers.
Each layer of embankment shall be uniform as to material,
density and moisture content before beginning compaction.
where layers of unlike materials abut each other, each
layer shall be'featheredged for at least 100 feet or the
material shall be so mixed as to prevent abrupt changes in
the soil. No material placed in the embankment by dumping
in a pile or windrow shall be incorporated in a layer in
that position, but all such piles or windrows shall be
moved by blading or similar methods. Clods or lumps of
material shall be broken and the embankment material mixed
by blading, disking, or similar methods to the end that a
V-34
I'
b
uniform material or uniform density is secured in each
layer. Water required for sprinkling to bring the material
to the moisture content necessary for maximum compaction
shall be evenly applied and it shall be the responsibility
of the Contractor to secure a uniform moisture content
throughout the layer by such methods as may be necessary.
In order to facilitate uniform wetting of the embankment
°
material, the Contractor shall water at the material source
if the sequence and methods used are such as not to cause
an undue waste of water. Such procedure shall be subject to
l
l
the approval of the Engineer.
(^
(1) Compaction
The compaction method shall require that each layer
shall be compacted to the required density by any
method, type, and size of equipment which will give the
required compaction. The depth of layers, prior to
compaction, shall depend upon the type of sprinkling
^
and compaction equipment used. Prior to and in
a
conjunction with the rolling operation, each layer
shall be brought to the moisture content necessary to
r•
obtain the required density and shall be kept leveled
with suitable equipment to insure uniform compaction
`
over the entire layer.
For each layer of earth embankment and select material,
it is the intent of this specification to provide the
density as required herein, unless otherwise shown on
the plans. The required compaction shall be 95%
Standard Proctor Density A.S.T.'M. D-698.
After each section of earth embankment or select
material is complete, tests as necessary will be made
by the Engineer. If the material fails to meet the
density specified, the course shall be reworked as
r'
necessary to obtain the specified compaction, and the
compaction method may be altered on subsequent work to
obtain specified density. Such procedure shall be
determined by, and subject to, the approval of the
Engineer.
At any time, the Engineer may order proof rolling to
test the uniformity of compaction of the embankment
subgrade. All irregularities, depression, weak or soft
spots which develop shall be corrected immediately by
the Contractor.
Should the subgrade, due to any reason or cause, lose
required stability, density, or finish before the
pavement structure is placed, it shall be recompacted
F V-35
F
and refinished at the sole expense of the Contractor.
Excessive loss of moisture in the subgrade shall be
prevented by sprinkling, sealing, or covering with a
subsequent layer of granular material. Excessive loss
of moisture shall be construed to exist when the
subgrade soil moisture content is more than 4 percent
below the optimum for compaction to Standard Proctor
Density. (Also see Section V, Item 2 [A] Compaction.)
At Culverts
Embankments adjacent to culverts which cannot be
compacted by use of the blading and rolling equipment
used in compacting the adjoining sections of embankment
shall be compacted in the manner prescribed below.
The following requirements shall apply to the
backfilling of pipe culverts in addition to the
pertinent portions of the general requirements given in
the preceding section.
After the bedding has been prepared and the pipe
installed as required by the pertinent specifications,
selected materials from excavation or borrow shall be
placed along both sides of the pipe equally, in uniform
layers not to exceed six (6") inches in depth (loose
measurement), wetted and thoroughly compacted so that
on each side of the pipe there shall be a berm of
thoroughly compacted materials at least as wide as the
external diameter of the pipe, except insofar as
undisturbed material obtrudes into this area. The
method and degree of compaction shall be same as
specified above.
Filling and/or backfilling shall be continued in this
manner to the elevation of the top of the pipe. Special
care shall be taken to secure thorough compaction of
the material placed under the haunches of the pipe. All
fill or backfill below the top of the pipe shall be
compacted mechanically in the same manner and to the
density prescribed above, regardless of whether or not
such material is.placed within the limits of the
embankment or roadbed.In the case of embankments, the
remainder of the fill above the top of pipe shall be
placed in accordance with the provisions for placing
roadway embankment as prescribed in the pertinent
specification included in the contract. No
construction traffic will be permitted to cross any
pipe culvert until the specified minimum depth of fill
above the pipe has been placed'and consolidated in
accordance with these provisions.
V-36
F
F
r
3. Base Course
The base course shall consist of a minimum of six (6")
(911). inches of compacted approved caliche, black base
combination of caliche and black base material shaped
accordance with the typical cross -sections provided in
plans and to the grades established by the Engineer.
A. Hauling and Placing
or nine
or
in
the
Approved base material shall be hauled in vehicles of
uniform capacity to the site and dumped evenly so that an
adequate quantity of material will be placed to provide a
minimum of six (6") inches of compacted base: material on
all units except major thoroughfares streets. On these
streets the Contractor will construct nine (9") inches of
compacted base material.
B. Processing
Processing of caliche base shall be accomplished in .
multiple lifts of three (311) inches in compacted depth.
Each lift or layer shall be thoroughly moistened and rolled
as it is cut from the windrow. After all of the material is
cut from the windrow to the sides, it shall be cut back to
the center in lifts of three (311) inches and thoroughly
moistened and rolled again. Succeeding layers shall then be
placed similarly until the caliche base course is completed
and 95% Proctor Density has been attained.
?- All nine (911) inch compacted caliche base shall be
t accomplished in three (311) inch lifts. The caliche course
shall then be sprinkled as required and rolled with
compactors as directed until a uniform compaction of 95% of
"Standard Proctor Density" is secured. Throughout this
entire operation, the shape of the course shall be
maintained by blading; and the surface upon completion
shall be smooth and in conformity with the typical sections
shown on plans and to the established lines and grade.
Processing of asphaltic base shall be as directed by the
!: Engineer and similar to that described under Hot Mix
Asphaltic Concrete Surface. Lift thickness will be
t^ indicated by the Engineer or as shown on the paving plans:
i Electronic screed controls will be required for placing
black base on grade. The density required will be
determined by the Engineer after material to be used has
been approved. All areas and "nests" of segregated coarse
or fine material shall be corrected or removed and replaced
with well graded material as directed by the Engineer. Each
layer of black base will be test rolled six (6) times with
7 V-37
a 35 ton roller and approved by the Engineer before
succeeding layers are placed. A delay in construction of
the next succeeding layer of black base caused by rain,
snow, etc. will require re -rolling and approval prior to
construction of the next layer.
The utilization of the traffic to compact and bind the base
is an essential part of the construction, and whenever
possible the base course shall be opened to traffic, and
the Contractor shall direct and distribute the traffic
uniformly over the entire width of the base course. During
the period of at least seven (7) days that traffic is being
directed over the base, the caliche base shall be
satisfactorily maintained by the use of water trucks,
blades, drags and such other equipment as is required. The
base course shall be so maintained until the wearing
surface is placed thereon. The surface shall not be placed "1
on base course that exceeds optimum moisture by two (2%)
per cent.
C. Finishing
Description
The compacted base shall be finished and shaped immediately
preceding the application of the surface treatment. All
loose or unconsolidated material shall be removed and the
surface moistened and rolled with a steel wheel roller. All
irregularities, depression or weak spots which develop
during compaction shall be corrected by scarifying the
areas affected, adding or removing material as required,
reshaping and recompacting by sprinkling and rolling.
(1) Weak Spots in Base
The finished base shall be checked by a minimum of six
(6) test rollings with a 35 ton roller. Any weak spots
found shall be remedied before the surface is applied.
The weak spots may be remedied.by reprocessing the area
in which the weak spot is found in which case the base ^
will be allowed to cure for 72 hours before the surface
is applied. If the Contractor chooses, he may repair
the weak spot by removing the material involved and
replacing it with type"C" hot mix or asphalt
stabilized base. In this case the surface may be
applied as soon as the hot mix patch has been compacted
and cooled to ambient temperature.
V-38
r
e
(2) Allowable Deviation inFinish
defects. Longitudinally a'straightedge 10 feet long
shall be used to detect any deviation which shall be
corrected as defects.
4. HOT MIX ASPHALTIC CONCRETE SURFACE
A. Description
r- This item shall consist of 1-1/2" compacted T.H.D. Type "C"
I hot mix asphaltic concrete surface, using approved crushed
stone aggregate, constructed over a compacted base. The
Aft base shall be primed and a tack coat applied as required.
(1) General (Test Method Tex-207-F)
It is the intent of this specification that the
material be placed and compacted to a density of 95 to
100 percent of that density developed in the laboratory
test method of molding stability specimens with a
minimum compacted thickness of one and one half inches
(1-1/211). Sufficient density tests will be made in
order to determine that the compaction procedure used
by the Contractor is adequate and proper to accomplish
the intent as stated above.
If the mixture produced does not have the specified
qualities, it shall be changed until it does. The
pavement shall be constructed on the previously
completed and approved subgrade, base, existing
pavement, bituminous surface or in the case of a
bridge, on the prepared floor slab, as herein specified
and in accordance with the details shown on the plans.
B. Temperature Requirements (The temperature readings to be
used will be as reported by the National Weather Service
on an hourly report [telephone number - 762-0141.])
(1) #iMAC —November 1 until April 1
a. The asphaltic mixture shall not be placed when the
air temperature is below 550 degrees F and falling.
V-39
r..
b. The asphaltic mixture may be placed when the air
temperature is above 500 degrees F and rising.
(2) HMAC April 1 till November 1
a. The asphaltic mixture shall not be placed when the
air temperature is below 500 degrees F and falling.
b. The asphaltic mixture may be placed when the air --
temperature is above 450 degrees F and rising.
(3) Asphalt Stabilized Base
a.The asphaltic mixture shall not be placed when
the air temperature is below 450F and falling.
b.The asphaltic mixture may be placed when the _
air temperature is above 40OF and rising.
The Engineer may use his discretion to require a cover over
the asphaltic mixture when being hauled from the plant to
the job site.
If the temperature of a load of -asphaltic concrete measured
while passing through the lay -down machine is 250F less
than the mixing temperature, the load may be rejected by
the Engineer and payment will not be made for the rejected
material.
C. Preparation of Base and Areas Bordering
The compacted base upon which the hot mix asphaltic
concrete surface is to be placed shall be prepared and
cleaned, as required by the Engineer, before the prime coat
is applied.
D. Prime Coat
The prime coat shall consist of an application of .25
gallons per square yard of MC asphalt.
E. Tack Coat
Before the asphaltic mixture is laid, the surface upon
which the tack coat is to be placed shall be cleaned
thoroughly to the satisfaction of the engineer. The surface
shall be given a uniform application of tack coat using
asphaltic materials of this specification. This tack coat --
shall be applied, as directed by the engineer, with
V-40
E
i1
approved sprayer. Where the mixture will adhere to the
surface on which it is to be placed without the use of a
r- tack coat, the tack coat may be eliminated by the Engineer.
All contact surfaces of curbs and structures and all joints
shall be painted with a thin uniform coat of the asphaltic
material meeting the requirements for tack coat. The tack
l coat shall be rolled with a pneumatic tire roller as
l directed by the Engineer.
r F. Transporting Asphaltic Concrete
The asphaltic mixture, prepared as specified above shall be
hauled to the work site in tight vehicles previously
cleaned of all foreign material. The dispatching of the
vehicles shall be arranged so that all material delivered
may be placed, and all rolling shall be completed during
day -light hours. The inside of the truck body may be
given a light coat of oil, lime slurry or other material
satisfactory to the Engineer, if necessary, to prevent
mixture from adhering to the body. In cool weather or for
long hauls, canvas covers and insulating of truck bodies
may be required. vehicles of the semi -trailer type are
prohibited.
G. Placing
Generally the asphaltic mixture shall be dumped and spread
on the approved prepared surface with the specified
spreading and finishing machine in such manner that when
�. properly compacted the finished pavement will be smooth, of
uniform density and will meet the requirements of the
typical cross sections and the surface tests. During the
application of asphaltic material, care shall be taken to
prevent splattering of adjacent pavement, curb and gutter,
E and structures.
The surface course shall be laid in a compacted layer with
a minimum compacted thickness of one and one-half inches
r A level up course, 1/2" or more in thickness, shall require
the use of black base or a coarse grade of hot mix approved
by the Engineer. It shall be spread and compacted to lines
!` and grades as established by the Engineer.
When the asphaltic mixture is placed in a narrow strip
along the edge of an existing pavement, or used to level up
small areas of an existing pavement or placed in small
irregular areas where the use of a finishing machine is not
practical, the finishing machine may be eliminated when
V-41
authorized by the Engineer, provided a satisfactory surface
can be obtained by other approved methods.
Adjacent to.flush curbs, gutters, liners and structures,
the surface shall be finished uniformly high so that when
compacted it will be slightly above the edge of the curb
and flush structure.
All joints shall present the
smoothness as other sections
between old and new pavements
work shall be carefully made
between old and new sections
same texture density, and
of the course. The joints
or between successive day s
to insure a continuous bond
of the course.
The transverse edges of old pavement and, if required by
the Engineer, the successive days pavement shall be sawed
with an approved concrete saw to expose an even vertical
surface for the full thickness of the course. All contact
surfaces of previously constructed pavement shall be
painted with a thin uniform coat of hot bituminous material
before the fresh mixture is placed.
H. Corpactinct
As directed by the Engineer, the pavement shall be
compacted thoroughly and uniformly to the required density.
The specified rollers shall be used, except as provided in
paragraph (3) below.
Rolling with the three wheel and tandem rollers shall start
longitudinally at the sides and proceed toward the center
of the pavement, overlapping on successive trips by at
least half the width of the rear wheels unless otherwise
directed by the Engineer. Alternate trips of the roller
shall be slightly different in length. On super -elevated
curves, rolling shall begin at the low side and progress
toward the high side unless otherwise directed by the
Engineer. Rolling with pneumatic roller shall be done as
directed by the Engineer. Rolling shall be continued until
required compaction is obtained and all roller marks are
eliminated. One tandem roller, two pneumatic rollers and
at least one three wheel roller, as specified above, shall
be provided for each job. Additional rollers shall be
provided if needed.The motion of the roller shall be slow
enough at all times to avoid displacement of the mixture.
If any displacement occurs,it shall be corrected at once by
the use of rakes and of fresh mixture where required. The
roller shall not be allowed to stand on pavement which has
not been fully compacted. To prevent adhesion of the
surface to the roller, the wheels shall be kept thoroughly
moistened with water, but an excess of water will not be
V-42
d
Pq
IN
permitted. All rollers must be in good mechanical
condition. Necessary precautions shall be taken to prevent
the droppings of gasoline, oil, grease or other foreign
t matter on the pavement, either when the rollers are in
operation or when standing.
When indicated on the plans or permitted by the Engineer in
writing, the pavement may be compacted to the required
density by the use of compacting equipment other than that
specified herein.
Hand tamping. The edges of the pavement along curbs,
r headers and similar structures, and all places not
accessible to the roller, or in such positions as will not
allow thorough compaction with the roller, shall be
r thoroughly compacted with lightly oiled tamps.
Rolling with the trench type roller will be required on
widening areas in trenches and other limited areas where
satisfactory compaction cannot be obtained with the three
wheel and tandem rollers.
I. Surface Tests
The surface of the pavement, after compaction , shall be
smooth and true to the established line, grade and cross
section, and when tested with a 10 foot straight edge
t placed parallel to the centerline of the roadway or tested
by other equivalent and acceptable means, except as
provided herein, the maximum deviation shall not exceed 1/8
inch in 10 feet, and any point in the surface not meeting
this requirement shall be corrected as directed by the
Engineer. When placed on existing surfaces, the 1/8 inch
deviation in 10 feet requirement may be waived by the
Engineer.
J. Surface Density Test
See Section IV, Item 10-D. Laboratory Control.
K. Equipment
Spreading and Finishing Machine. The spreading and
r finishing machine shall be of a type approved by the
Engineer, shall be capable of producing a surface that will
meet the requirements of the typical cross section and the
surface test, when required, and shall have adequate power
to propel the delivery vehicle in a satisfactory manner
when the mixture is dumped into the finishing machine. The
finishing machine shall be equipped with a flexible spring
and/or hydraulic type hitch sufficient in design and
f
V-43
capacity to maintain contact between the rear wheels of the
hauling equipment and the pusher rollers of the finishing
machine while the mixture is being unloaded. The finishing
machine shall be operated in a low gear, or as directed by
the Engineer, at a speed to produce a surface that will,
meet the requirements of the typical cross section and
surface test.
Any vehicle which the finishing machine cannot push or
propel in such a manner as to obtain the desired lines and
grade without resorting to hand finishing will not be
allowed to dump directly into the finishing machine.
Vehicles dumping into the finishing machine shall be
mechanically and/or automatically operated in such a manner
that overloading the finishing machine being used cannot
occur and the required lines and grade will be obtained
without resorting to hand finishing.
Dumping of the asphaltic mixture in a windrow and then
placing the mixture in the finishing machine with loading
equipment will be approved by the Engineer,provided that
the loading equipment is constructed and operated in such a
manner that substantially all of the mixture deposited on
the roadbed is picked up and placed in the finishing
machine without contamination by foreign material of the
mixture. The loading equipment will be so designed and
operated that the finishing machine being loaded will
obtain the required line, grade and surface without
resorting to hand finishing. Any operation of the loading
equipment resulting in the accumulation and subsequent
shedding of this accumulated material into the asphaltic
mixture will not be permitted.
Forms. The use of forms will not be required except where
necessary to support the edges of the pavement during
rolling. If the pavement will stand rolling without undue
movement, binder twine or small rope may be used to align
the edges.
Motor Grader. The motor grader, if used, shall be self-
propelled power motor grader; it shall be equipped with
pneumatic tired wheels; shall have a blade length of not
less than 12 feet; shall have a wheel base of not less than
16 feet and shall be tight and in good operating
condition and approved by the Engineer.
Pneumatic Tire Rollers. The pneumatic tire roller shall be
an acceptable self-propelled roller mounted on pneumatic
tired wheels, with the weight capable of being varied
uniformly from 275 to 550 pounds per inch width of tire
tread, so constructed as to be capable of being operated in
V-44
f'
I
both a forward and a reverse direction and shall have
suitable provision for moistening the surface of the tires
while operating. All tires of the same roller shall be
smooth tread of equal size and diameter and shall be
arranged in such a manner that the gap between the tires of
one axle will be covered by the tires of the other.
i
The tire pressure of each tire shall be adjusted as
directed by the Engineer and this pressure shall not vary
owl
by more than 5 pounds per square inch.
i
Two Axle Tandem Roller. This roller shall be an acceptable
power driven tandem roller weighing not less than 8 tons.
Three Wheel Roller. This roller shall be an acceptable
power driven three wheel roller weighing not less than 10
!
!
tons.
Trench Roller. This roller shall be an acceptable power
r-►
driven trench roller equipped with sprinkler for keeping
the wheels wet and adjustable road wheel so that the roller
may be kept level during rolling. The drive shall be not
less than 20 inches wide.The roller under working
conditions shall produce 325 pounds per linear inch of
roller width and be so geared that a speed of 1.8 miles per
hour is obtained in low gear.
Straightedges and Templates. When directed by the Engineer,
the Contractor shall provide acceptable 10 foot
r,
straightedges for surface testing. Satisfactory templates
j;
shall be provided as required by the Engineer.
All equipment shall be maintained in good repair and
operating condition and shall be approved by the Engineer.
The Contractor shall furnish such suitable machinery,
r^ equipment, and construction forces as may be necessary, in
the opinion of the Engineer, for the proper prosecution of
the work, and failure to do so may cause the Engineer to
withhold all estimates which have or may become due or the
Engineer may suspend work until his requests are complied
4 with.
L. Opening to Traffic
The pavement shall be opened to
r, the Engineer. All construction
pavement shall comply with City
` on City Streets.
F
V-45
traffic when directed by
traffic allowed on the
Ordinance governing traffic
7
If the surface ravels,corrugates or shoves, it will be the
contractor's responsibility to correct this condition at
his expense.
5. Cleanup
Within three days after completion of any Sub -Unit of paving
the Contractor shall clean, remove rubbish and temporary
structures from the street, restore in an acceptable manner
all property, both public and private, which has been damaged
during the prosecution of the work, and leave the site of the
work in a neat and presentable condition throughout. The cost
of the "cleanup" shall be included as a part of the cost of
the various items of work involved, and no direct compensation
will be made for this work. This work shall be done before
final acceptance of the Sub -Unit will be considered.
The cleanup shall include the sloping, filling and shaping of
the area between the curb and property line. This area shall
be filled with good top soil. When the ground behind the curb
is higher than the top of the curb, the Contractor will be
required to cut this area down'to provide a smooth, even slope
between the property line and the curb.
6. PROTECTION OF EXISTING UTILITIES
A. Adiustment of Valves and Manholes
The City Forces will place valve boxes and manholes on
finished grade after the base has been finished to grade.
The Contractor shall allow the City Forces at least 3 days
to do this work after finishing the base and before
application of asphalt. It shall be the responsibility of
the Contractor to notify the Water and Sewer Department 48
hours after curb and gutter has been completed so that the
City Forces can properly schedule their work. In all alleys
the City Forces will set the valve boxes and manholes to
grade after the forms are in place. Any variation in this
procedure that causes expense to the City shall have the
approval of the Engineer, and such expense shall be borne
by the Contractor.
B. Installation. Adjustments. and Protection of Utilities
and Traffic Installations
The plans show only approximate locations of'utilities as
obtained from the various utility companies and shall not
relieve the Contractor from familiarizing himself with all
underground utilities. It is not implied that all existing
utilities are shown on the plans. The City of Lubbock does
V-46
I
I
not assume any responsibility for any utility lines which
are not shown on the plans.
The utility companies will attempt to move all utilities
that can be reasonably removed prior to beginning of
construction; however, this does not relieve the Contractor
from any damage that he might do to any utility property.
In case of any damage, the Contractor shall immediately
notify the utility company.
city Water and Sewer
Lubbock Power and Light
City Traffic Shop
Energas Traffic Shop
Southwestern Public Service
Southwestern Bell Telephone
Cox Cable of Lubbock
767-2595
767-2554
767-2140, 767-2144
741-4200
763-2881
741-6101
793-2222
City Traffic Engineering 767-2132
Sequence: The sequence of utility adjustments has been
mutually agreed upon by the utility companies in the City
of Lubbock and will attempt to follow the following
r' schedule:
4
Plans for contract project will be delivered to all utility
companies two weeks prior to opening bids. As a general
rule, these projects will have been staked.
The utility companies will relocate all items necessary,
locate and flag all meters, valves, manholes, underground
cables, etc., prior to the date the Contractor is to begin
construction.
F
After the subgrade is completed on alley paving projects,
and after the base is completed on all street paving
projects, all manholes, valve boxes , etc., will be set to
finished grade by the utility companies. The site shall be
left in a clean condition.
On all projects, including private contracts, the
Contractor shall exercise care not to damage any sanitary
sewer pipe or manholes, storm sewer pipe or manholes, or
telephone cable or manholes, water or gas lines, valve
boxes , meter boxes, nor any other pipe or utility. If
V-47
1
necessary, the Contractor shall call the department or
company concerned and make arrangements for adjusting the
manhole, valve box, meter box,or other utility to grade. On
all projects for which he is awarded a contract, the
Contractor will be responsible during the construction
period for any damages to manholes, valve boxes, meter
boxes, and other utilities.
Should any item be damaged during the process of
construction, the Contractor is to notify the affected
utility company and the City inspector. The utility company
will immediately repair the damaged item. Any bills for
damage will be sent through the Department of Engineering.
The Department of Engineering will process all bills and
fix responsibility for damage and govern the extent of
repair.
Private contracts do not have plans, but utility companies
will be furnished cut sheets and notified of impending
construction by letter. Other items such as adjustments,
damages, etc. will be handled the same as for bid let
projects.
The utility companies will schedule their work with the
Contractor. When utility adjustments commence before the
contract is awarded, it will be the responsibility of the
utility company to barricade the project.
Unless otherwise agreed upon by the City and the utility
companies involved, the sequence of installation of
underground utilities shall be as follows:
utility Seauence
Sewer First
Electric (Primary) Second
Electric (Secondary) Third
Telephone Fourth (last if no power or
T.V.)
T.V. Cable Fifth
Water Sixth
Gas Seventh
Traffic Engineering Eighth
V-48
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7
F
on all projects, including private contracts, the
Contractor shall not place curb and gutter or base material
at points where underground utilities cross or propose to
cross until such utilities have been adjusted or installed.
7.SALVAGING AND REPLACING BASE
A. Description
"Salvaging and Replacing Base" shall consist of removing
the existing base material where shown on plans, such
temporary storage as is necessary, and the replacement of
this material on the prepared'roadbed as herein specified
and in conformity with the typical sections shown on plans
and to the lines and grades as established by the engineer.
B. Construction Methods
(1) Salvaging Existing Base
The existing base, including any bituminous mat not
shown on plans to be salvaged, shall first be cleaned
of all dirt or other objectionable material by blading,
brooming or other approved methods, then scarified to
the width and depth as may be required to provide the
estimated amount of salvaged material per station as
shown on the plans. Subgrade shall be reworked, if
necessary, as directed by the Engineer. Any bituminous
mat encountered shall be broken into particles not more
than two inches in size, and incorporated uniformly
with the existing base. The material thus salvaged
shall be placed in stockpiles or windrows until
sufficient Subgrade has been prepared to receive the
salvaged material; then, if the Contractor so elects,
the remaining old base material as salvaged may be
placed directly upon the prepared subgrade as directed
by the Engineer, thus eliminating the necessity of
stockpiling. It shall be the responsibility of the
Contractor that all the available material shall be
salvaged and replaced and shall be kept reasonably free
of soil from the subgrade or roadbed during the
salvaging and replacing operations. When material is
windrowed or stockpiled, it shall be so placed not to
interfere with traffic, proper drainage or the general
progress of the work.
(2) Preparation of Subgrade
Preparation of subgrade shall be in accordance with
Section V, Item 2 Earth Work of these specifications.
V-49
(3) Replacement of Salvage Material
The salvage material shall be in accordance with
Section V, Item 2 Earth Work of these specifications.
8. Salvaging and Stockpiling Base Material
A. Description
This item shall consist of salvaging base material from
places shown on the plans or as directed by theEngineer
and of stockpiling that material where shown on the plans
or directed by the Engineer.
B. Construction Methods
Trash, wood, brush, stumps and other objectionable material
at the storage site shall be removed and disposed of as
directed by the Engineer prior to the beginning of work
required by this item. The base material, including any
asphalt mat, which may not be shown on the plans, shall be
cleaned of all dirt or other objectionable material.
Asphaltic materials shall be broken into pieces not more
than two inches in size and incorporated uniformly with the
salvaged base material. Material to be salvaged shall be
worked into stockpiles or windows and loaded by approved
equipment into approved equipment for hauling to the
stockpile site. It shall be the responsibility of the
Contractor that all the available material shall be
salvaged and kept reasonably free of soil from subgrade or -
road bed during the salvaging operations. The operation
shall be conducted in such manner as not to interfere with
traffic, drainage or the general requirements of the work.
After the material is deposited in the stockpile area, it
shall be worked into a neat compact stockpile.
9. ,SEALING AND TWO -COURSE SURFACE TREATMENT
A. PREPARATION OF SURFACE
Before the sealing operation is started the Contractor will
be required to_patch_all areas that have failed or raveled
as marked by the Engineer. The City of Lubbock Street
Department will sweep the streets before the sealing and
two -course operation is started. Asphalt shall not be
applied when general weather conditions, in the opinion of
the Engineer, are not suitable.
V-50
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8
B. HANDLING AND APPLYING ASPHALT
All storage tanks, piping, retorts, booster tanks and
distributors used in storing or handling asphalt shall be
kept clean and in good operating condition at all times,
and they shall be operated in a manner that there will be
no contamination of the asphalt with foreign material.
Asphalt is not to be heated above 4000 F at any time, and
when applied, it shall be at a temperature which will
insure a Furol Viscosity of between 50 and 60 at the time
of application. The Engineer will select the temperature of
application, and the Contractor shall apply the asphalt at
a temperature within 15 degrees of the temperature
selected. All asphalt material heated above 4000 F will be
rejected. Recirculating tank car heating equipment shall be
equipped with an approved type recording thermometer.
Asphalt shall be applied to the clean surface by an
approved type of self propelled hydro -statically controlled
pressure distributor so operated as to distribute the
material in the quantity specified, evenly and smoothly,
under pressure necessary for proper distribution. The
Contractor shall provide all of the heating equipment and
in the distributor, for determining the rate at which it is
applied, and for securing uniformity at the junction of the
distributor loads. The beginning and ending of each shot of
asphalt shall start and stop on a strip of heavy kraft
paper of not less than thirty inches in width. Asphalt for
velocity is 25 M.P.H. or more. Asphalt shall. Dot be
applied if the ambient temperature is below 65, Any block
or blocks that receives a seal coat or two -course asphalt
application that exceeds the rate set by the Engineer by
c .04 or more will not be accepted until the bleeding is
stopped. The Contractor will be required at his expense to
furnish extra rock and equipment necessary to control this
bleeding. After the bleeding is stopped, the City will then
assume the maintenance of the block or blocks that were
r, shot heavy.
Application of asphalt on street returns shall be
accomplished by the distributor bars unless otherwise
t directed by the Engineer. In areas regarded by the Engineer
as inaccessible to the distributor, use of the hand hose
�- will be permitted, as directed by the Engineer. Care shall
be taken during application of any asphalt to shield the
curb and gutter from asphalt spray. Manholes and valve
r, boxes will be covered before each application of asphalt
and immediately uncovered after the application of
r
V-51
aggregate and before rolling operations. Successive
applications of asphalt shall be made in the same manner
after application aggregate.
C. RATE OF APPLICATION OF MATERIALS
S.H.D. Gals Spread
Grade No. of Asphalt/S.Y. Ratio
1. Seal Coat (Pre -coated crushed stone or_pre-coated
gravel)
#4 0.28 1:100
2. Two -Course P.B. Pre -coated crushed stone
or pre -coated gravel
(a) Thoroughfares
#2
Special
0.30
1:64
#4
0.38
1:94
(b)
Collectors
#2
Special
0.30
1:64
#4
0.38
1:94
D. HANDLING AND APPLYING AGGREGATES
Immediately after making the first application of asphalt
over the full width of the street, the surface shall be
covered with aggregate, spread with an approved type self-
propelled aggregate spreader on which the rate of
application of rock and the speed of travel may be
controlled by the operator. Applications shall be at the
rates herein specified or at rates as directed by the
Engineer. After the aggregate has been spread, it shall be
bladed with an approved blade grader and broomed with a
heavy drag broom. If necessary to obtain a uniform
distribution of aggregate or to fill low areas, hand
spotting and hand brooming of the aggregate shall be
required. Care shall be taken in dip sections to maintain
an accurate flow line. Considerable hand work may be
required at intersections and at joints in order to
maintain a uniform distribution of the aggregate, to
prevent the incorporation of foreign materials such as
caliche and dirt, and to construct smooth joints. In any
event, care shall be taken to avoid pulling the drag broom
V-52
over dirt or caliche surfaces or over wasted aggregate at
the edges of the area being surfaced.
After the first and second application of aggregate on the
two -course, it will be thoroughly rolled with pneumatic
rollers, bladed, dragged and all thin spots spotted with
extra aggregate, then bullwheeled with an approved three -
wheeled roller weighing not less than ten (10) tons.
Aggregate on seal coat will be dragged with a drag broom
and all thin spots covered with extra aggregate and
thoroughly rolled with pneumatic rollers. In all cases,
rolling shall be continued until the surface presents a
smooth appearance.
Gutter edges shall be cleansed of aggregate before such
application of asphalt and this aggregate will not be
"ridged" along the gutter edge but if placed back on the
surface area shall be well scattered. There should be a
slight excess of aggregate on the surface after completion
of the work specified above.
Care shall be taken in loading aggregate from the
stockpiles to prevent getting dirt and other foreign matter
into aggregates. Loads of aggregate containing dirt will be
rejected.
E. HANDLING ASPHALT AND AGGREGATE FOR NIGHT WORK
Application of asphalt and aggregate at night shall be
applied by the same methods as for daylight application
except that all equipment that is to be used on the street
after shall have sufficient lights in compliance with State
vehicle code. Additional lights will be required on the
back end of the asphalt distributor, the aggregate spreader
and at the aggregate stock pile area. (No night work will
be authorized unless approved by the Engineer.)
F. REQUIRED ROLLING U HOUR PER 1000 S.Y. OF SURFACE
SEALED)
rThe
completed asphalt surface shall be broomed and rolled
with pneumatic rollers immediately after the asphalt is
covered with aggregate. The entire surface that is sealed
will receive on hour rolling for each 1000 S.Y. the same
day that the asphalt is applied no back rolling will be
permitted (unless a rain storm occurs during the day then
that surface may be rolled the next day). At least three
pneumatic rollers will roll directly behind the aggregate
spreader and drag broom, each roller making several
complete passes across the entire width of the street,
r
i
additional pneumatic rollers will follow approximately one
V-53
block behind the first three rollers of which each
additional roller will make several complete passes across
the entire width of the street until one hour of rolling
has been obtained for each 1000 S.Y. before moving on to
the next block. The City will assume maintenance on these
streets the following day after the rolling has been
completed..
G. ,PATCHING AHEAD OF SEAL OR TWO -COURSE MAINTENANCE
The black base and cement stabilized caliche material to be
used in patching ahead of the seal coat or two -course
maintenance shall be used at locations as directed by the
Engineer. No substitutions shall be permitted without prior
approval from the Engineer. The areas to be patched shall
be only as marked and measured by the Owner's
Representative. The area to be patched shall be barricaded
at all times during patching operations. However, if the
Owner's Representative permits the patched area to be
opened to traffic prior to placing the final hot -mix
surface, the Contractor shall taper the edges of the patch
with mix to minimize any bumps or inconvenience to traffic.
(1) PATCHING WITH BLACK BASE
Patching shall include removing the existing surfacing,
either three (3), six (6), or nine (9) inches of the
existing base and subgrade (as the Engineer directs),
and, if the sub -grade is unstable, it will be removed
and replaced with black base. The excavated base will
then be replaced with asphalt stabilized base material
(either three (3), six (6), or nine (9) inches), as
directed by the Engineer, and compacted to 95% of
design density. The surface course,'l 1/2" of Type "C"
hot mix, shall then be placed and rolled until the
required density is obtained.
The edges of the patch shall be vertical and shall be
tacked before placing the black base and the 1-1/2
inches of type "C" hot -mix.
All hot -mix edges will meet the grade of the existing
surface.
(2) PATCHING WITH 6" OF THREE SACK CEMENT STABILIZED
CALICHE
Same as above except six (6) inches of three (3) sack
cement stabilized caliche will be used in lieu of six
(6) inches of black base.
V-54
At all times the patching area will be barricaded, if
` open to traffic before the Type "C" mix is placed, the
edges of the patch will be leveled up with mix to
r eliminate the bumps.
NOTE: Both black base and cement stabililzed caliche are
anticipated being used, with locations of each type
of material to be directed by the Engineer.
(3) PATCHING WITH 1-1/2" OF TYPE "C" HOT -MIX
Same as above (patching with black base) except only
the existing asphalt surface will be removed.
H. CLEANUP
Immediately after each application of asphalt, the
! Contractor shall clean, remove paper, piles of asphalt from
manholes and water valves, extra aggregate that is in the
gutter, rubbish and temporary structures from the street,
restore in an acceptable manner all property, both public
and private, which has been damaged during the prosecution
of the work, and leave the site of the work in a neat and
presentable condition throughout, The cost of the "cleanup"
shall be included as part of the cost of the various items
of work involved, and no direct compensation will be made
for this work. This work shall be done before final
acceptance.
11
V-55
THIS PAGE LEFT BLANK INTENTIONALLY
SITE WORK METHODS AND PAYMENT
THIS PAGE LEFT BLANK INTENTIONALLY
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F
SITE WORK MEASUREMENT AND PAYMENT
GENERAL
The unit price bid on each item, as stated in the proposals,
shall include furnishing all labor, superintendence,
machinery, equipment and materials, except materials
specifically specified to be furnished by the Owner, necessary
or incidental to complete the various items of work in
accordance with the plans and specifications. Cost of work or
materials shown on the plans or called for in the
specifications and on which no separate payment is made shall
be included in the bid prices on the various pay items.
1. 2. AND 3 ASPHALT APPLIED FOR SEALING AND TWO -COURSE
PURPOSES
Payment for this unit price bid shall be paid for actual
gallons used in the City's Maintenance Program. This unit
price shall be full compensation for furnishing, sweeping
and applying asphalt as described in Section IV and all
manipulations, labor, tools equipment and incidentals to
complete the work herein specified.
4 and 5 AGGREGATE FOR SEAL COAT AND TWO -COURSE (P.B. GRADE #2
SPECIAL AND #4 PRE -COATED CRUSHED STONE OR CRUSHED GRAVEL).
i Payment of this unit price bid shall be made for actual
yardage used in the process of sealing, and two -course.
All pre -coated gravel or pre -coated crushed stone shall
have a maximum of twenty percent (15%) loss when tested by
the (4) four cycle magnesium sulfate soundness test
A.S.T.M. of the particles retained on the No. 4 sieve with
more than one crushed face, as determined by Test Method
Tex. 413-A. This payment being full compensation for
furnishing and placing all materials including spreading,
brooming and rolling with pneumatic roller and all
necessary clean-up labor, tools, equipment and incidentals
necessary for the completion of work as herein specified.
5. PATCHING WITH 3 INCHES OF BLACK BASE
Measurements shall be made of the actual area patched, and
shall be paid for at the unit price bid per square yard of
patching. This unit price shall be full compensation for
removal of asphalt, caliche base and any subgrade that is
soft or unstable and including tack coat, 3" of black base
and 1-1/2" of type 'IC" Hot -Mix including removal, haul and
disposal of materials excavated, hauling, rolling, tamping
and placing 1-1/2" of Hot -Mix surface and all
7
manipulations, labor, tools, equipment, traffic
provisions, barricades, flagmen and other incidentals
necessary to complete the work as herein specified.
7. PATCHING WITH 6 INCHES OF BLACK BASE
Measurements shall be made of the actual area patched, and
shall be paid for at the unit price bid per square yard of
patching. This unit price shall be full compensation for
removal of asphalt, caliche base and any subgrade that is
soft or unstable and including tack coat, 6" of black base
and 1-1/2" of type "C" Hot -Mix including removal, haul and
disposal of materials excavated, hauling, rolling, tamping
and placing 1-1/2" of Hot -Mix surface and all
manipulations, labor, tools, equipment, traffic
provisions, barricades, flagmen and other incidentals
necessary to complete the work as herein specified.
8. PATCHING WITH 9 INCHES OF BLACK BASE
Measurements shall be made of the actual area patched, and
shall be paid for at the unit price bid per square yard of
patching. This unit price shall be full compensation for
removal of asphalt, caliche base and any subgrade that is
soft or unstable and including tack coat, 9" of black base
and 1 1/2" of Type "C" of Hot Mix surface and all
manipulations, labor, tools, equipment, traffic --
provisions, barricades,flagmen and other incidentals
necessary to complete the work as herein specified.
9. PATCHING WITH 6 INCHES OF 3 SACK CEMENT STABILIZED ^
CALICHE
Measurement shall be made of the actual area patched, and
shall be paid for at the unit price bid per cubic yard of
three sack cement stabilized caliche. This unit price
shall be full compensation for removal of asphalt, caliche
base and any sub -grade that is soft or unstable and
including tack coat, six (611) inches three (3) sack cement
stabilized caliche and 1-1/2" of Type "C" Hot -Mix,
including removal, haul disposal of materials excavated,
hauling, placing, rolling, tamping and placing 1-1/2" of
hot -mix surface and all manipulations, labor, tools,
equipment, traffic provisions, barricades, flagmen and
other incidentals necessary to complete the work as herein
specified.
10. PATCHING WITH 1-1/2 INCHES OF HOT -MIX
Measurement shall be made of the actual area and shall be
paid for at the unit price bid per square yard. This unit
I
F
price shall be full compensation for removal and disposal
of the existing surfaces (asphalt), all sawing, brooming,
blading, wetting, and rolling, loading, hauling and
wasting all excess excavated material, removing and
disposing of all obstructions noted on the plans or as
become necessary, prime coat and tack coat, and for the
furnishing and placing one and one-half inches (1-1/211) of
Type "C" hot -.mix, including freight, preparing, hauling
and placing all materials, and all manipulations, labor,
tools, equipment, and incidentals necessary to complete
the work as herein specified.
11. CURB AND GUTTER
Measurements shall be made of the actual linear feet
removed and replaced, and shall be paid for at the unit
price per linear foot. This unit price shall be full
compensation for removal and disposal of the existing curb
and gutter, for preparation of the subgrade, and for
construction of the new 30" curb and gutter; including all
manipulations, labor, tools, equipment, hauling, placing
all materials, expansion joint material, curing compound,
c
concrete additives, and incidentals necessary to complete
the work as herein specified.
12. VALLEY GUTTER
Measurements shall be made of the actual area removed and
replaced, and shall be paid for at the unit price per
i
square yard. This unit price shall be full compensation
for removal and disposal of existing materials,
preparation of the subgrade, and for construction of the
new reinforced 8" valley gutter; including all
manipulations, labor, tools, equipment, hauling, placing
r••
all materials, joint material, curing compound, concrete
additives, reinforcing materials, and incidentals
necessary to complete the work as herein specified.
13. 4" CONCRETE SIDEWALK AND DRIVEWAY ADJUSTMENT
Measurements shall be made of the actual area removed and
replaced, and shall be paid for at the unit price per
square yard. This unit price shall be full compensation
for the removal and disposal of existing materials,
preparation of the subgrade, and for construction of the
new sidewalk/driveway; including all manipulations, labor,
tools, equipment, hauling, placing all materials, joint
material, curing compound, concrete additives, reinforcing
materials, and incidentals necessary to complete the work
as herein specified.
F
7
No Text
City of Lubbock
P.O. Box 2000
Lubbock. Texas 79457
606-767-2167
January 14, 1993
Williams & Peters Construction Co., Inc.
P.O. Box 3907
Attn: Dean Williams
Lubbock, TX 79452
r-
t SUBJECT: 1993 Street Maintenance Program
Office of
Purchasing
The City of Lubbock, having considered the proposals submitted and
opened on the 16th day of December, 1992, for work to be done and
materials to be furnished in and for:
City of Lubbock BID #12336
1993 Street Maintenance Program
as set forth in detail in the Specifications, Plans, and Contract
Documents for such work for the City of Lubbock; it appearing that your
proposal is fair, equitable and to the best interest of said City,
please take notice that said proposal was accepted by the City Council
of the City of Lubbock on January 14, 1993, at the bid price contained
therein, subject to the execution of and furnishing of all other
documents specified and required to be executed and furnished under the
contract documents. It will be necessary for you to execute and furnish
to the City of Lubbock all such documents within ten (10) days from your
receipt of this Notice.
The five percent (5%) bid security, submitted with your proposal,
will be returned upon the execution of such contract documents and bonds
within the above specified ten (10) day period. In the event you should
fail to execute and furnish such contract documents and bonds within the
time limit specified, said bid security will be retained by the City of
Lubbock.
CIW OF L BOCK
Ron Shuffieg
BUYER