HomeMy WebLinkAboutResolution - 2007-R0502 - Amendment To Agreement - Carter & Burgess Inc. - 10/25/2007Resolution No. 2007—RO502
October 25, 2007
Item No. 5.21
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 First Amendment to
Professional Services Agreement, by and between the City of Lubbock and Carter &
Burgess, Inc., and all related documents. Said First Amendment to Professional Services
Agreement is attached hereto and incorporated in this Resolution as if fully set forth
herein and shall be included in the minutes of the Council.
Passed by the City Council this 25th day of
ATTEST:
Re we ca Garza, City Secretary
APPROVED AS TO CONTENT:
October 2007.
DAVID A. MILLER, MAYOR
Thomas Adams, Depiity City Manager/Water Utilities Director
APPROVED AS TO FORM:
Richard K. Casner, First Assistant City Attorney
ml/ccdocs/Carter & Burgess -l" Amend.res
September 25, 2007
&Y
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CONITMCT N0.
6494
Resolution No. 2007-RO502
FIRST AMENDMENT TO
PROFESSIONAL SERVICES AGREEMENT
This First Amendment to Professional Services Agreement (the "Firs t Amendment") is
entered into this 25th day of October , 2007, by and between the City of
Lubbock, a Texas home rule municipal corporation (the "City"), and Carter & Burgess, Inc.,
a Texas corporation (the "Engineer") .
WITNESSETH:
WHEREAS, pursuant to that certain Professional Services Agreement, dated on or
about July 25, 2006, Resolution No. 2006-RO369 (the "Original Agreement"), the Engineer
agreed to provide certain services to the City related to the preparation of wastewater
collection system master plans (the "Plan"), as more particularly described therein;
WHEREAS, the City desires that Engineer perform additional services related to the
preparation of the Plan, and Engineer desires to provides such services related to same;
WHEREAS, the Original Agreement must be amended to provide for the performance
of such services, and the payment of consideration therefore.
NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, the City and Engineer hereby agree to amend the Original
Agreement as follows:
Section 2.01 of the Original Agreement shall be deleted in its entirety and
replaced with the following:
2.01 The consideration to be paid for the Services to be provided the City as described
in Article I shall be as set forth on Exhibit "B" and Exhibit "B-1", attached hereto.
The sum due and payable to Engineer shall not in any event exceed Seven
Hundred Seventy -One Thousand, Three Hundred Twenty -Five Dollars
(S771,325). The Engineer shall submit monthly partial payment invoices based
on the percentage of work accomplished during the preceding month. The
Engineer's monthly invoices shall be payable by the City within thirty (30) days
of receipt of same.
2. Exhibit "A" to the Original Agreement is hereby deleted in its entirety and
replaced with "Exhibit `A' to Professional Services Agreement", as attached to
this First Amendment as Attachment "A".
3. Exhibit "B" to the Original Agreement is hereby deleted in its entirety and
replaced with "Exhibit `B' to Professional Services Agreement", as attached to
this First Amendment as Attachment "B".
4. There is hereby added to the Original Agreement "Exhibit `13-1' to Professional
Services Agreement", as attached to this First Amendment as Attachment "C".
5. Except as expressly amended hereby, the Original Agreement shall remain valid
and effective as originally provided.
IN WITNESS WHEREOF, the parties have executed this Amendment by duly
authorized representatives as of the date first written above.
Engineer:
CARTER & BURGESS, INC.
By:
Name: Phil Deaton, P.E.
Title: Senior Vice President
FIRST AMENDMENT TO PROFESSIONAL SERVICES AGREEMENT
Page 2
CITY OF LUBBOCK
DAVID A. MILLER, MAYOR
ATTEST:
Rebetca Garza, City Secret
APPROVED AS TO CONTENT:
Thomas Adams, Deputy City Manager
APPROVED AS TO FORM:
Richard K. asner,
First Assistant City Attorney
ml:RKC/Richard/Carter & Burgess -V Amend of PSA
August 16, 2007
FIRST AMENDMENT TO PROFESSIONAL SERVICES AGREEMENT
Page 3
Resolution No. 2007-RO502
Attachment "A" to
First Amendment of Professional Services Agreement
Exhibit "A"
To
Professional Services Agreement
City of Lubbock, Texas
Sewer Collection System Master Plan
Scope of Work — Outline
A. Project Meetings
1. Attend monthly project progress meetings (15 meetings).
2. Conduct project briefings for City Council (3 meetings).
3. Provide Hydraulic Model Training Session for City Engineering Department.
B. Sanitary Sewer Interceptor Master Plan
1. Data Collection.
1.A. Engineer to provide additional wastewater collection system flow
monitoring and city-wide rainfall monitoring for a period of two weeks.
This data will be used to supplement existing flow and rainfall data and will
be used in the calibration of the wastewater collection system computer
model.
1.B. Engineer to provide additional surveying services to determine the location
and sewer flowiines for approximately 500 existing manholes in the City of
Lubbock wastewater collection system. This data is required to
supplement existing data and will be used to complete the collection
system map and computer model.
2. Develop Master Plan for major sewer lines in undeveloped areas — 50 year
planning horizon
a. Develop Base Map of undeveloped service areas
b. Delineate Sewer Sheds
c. Establish Land use projections
d. Develop population projections — 5 year increments for planning horizon
e. Allocate population projections to geographical areas
f. Develop and evaluate major sewer line alternatives to serve undeveloped
areas
g. Load new major interceptors into the project model
h. Model proposed new sewer interceptors to determine the systems ability
to transport projected flows
i. Dry weather flow conditions
ii. Design storm flow conditions
i. Recommendations
3. Propose modeling software — Model existing Collection System
a. Evaluate modeling software (Anticipate steady-state model) — Provide
recommendation
b. Collect and review existing_ sewer collection system plans, reports and
related data
c. Evaluate/review Base Map of existing collection system
d. Establish manhole numbering system
e. Load existing sewer collection system data from as -built drawings to
model
f. Field SurveyNerification
g. Determine flow loading characteristics for each interceptor manhole
h. Confirm system configuration/continuity and connectivity checks
i. Select Design Storm
j. Provide flow monitoring
k. Provide rainfall monitoring
I. Calibrate model for dry weather conditions
m. Calibrate model for wet weather conditions
n. Model existing sewer collection system to determine interceptors ability to
transport system flows
i. Dry weather flow conditions
ii. Design storm flow conditions
4. Provide a copy of collection system model to City of Lubbock
5. Evaluate and develop recommendations for existing collection system
improvements
a. Identify and evaluate hydraulic constraints and bottlenecks
i. Capacity
ii. Excess infiltration/inflow locations
b. Develop and evaluate alternates for existing collection system
improvements
c. Model existing sewer collection system with
interceptors ability to transport system flows
i. Dry weather flow conditions
ii. Design storm flow conditions
d. Recommendations
improvements to determine
6. Evaluate and develop recommendations for existing lift stations
a. Review existing lift station condition assessments
b. Identify and evaluate lift station renovation options
c. Identify and evaluate alternates to eliminate lift stations ( new interceptors)
d. Formulate recommendations for Lift Station rehabilitation/replacement
and/or elimination
Attachment "A" Page 2 of 3
C. Miscellaneous Wastewater Collection System Services
Recommend Modifications to Operations and Maintenance Practice
(Cleaning program, CCTV, CMMS-Maintenance Management System)
2. Evaluate 1 recommend solution for grease trap problems
3. Evaluate City Standard Specs for Sewer
4. New Wastewater Treatment Plant (WWTP) Site
a. Review existing WWTP Master Plans
b. Identify and evaluate potential sites for new WWTP
c. Recommendations
5. Evaluate Hydrogen Sulfide (H2S) conditions in the collection system and
make mitigation recommendations
a. Review sewer collection system H2S history
b. Review Lift Station operation and maintenance records
c. Formulate and evaluate alternates for collection system H2S
mitigation
d. Recommendations
D. Wastewater Collection System Master Plan Report
Develop Collection System/Lift Station Capital Improvement Plan (CIP), in
5-10 year intervals, for the 50 year planning horizon
a. Existing sewer collection system
i. Capacity Improvements (elimination of hydraulic bottlenecks)
ii. I and I Improvements (main replacement/rehabilitation)
iii. Lift Station Improvement/Elimination projects
iv. Collection system O&M Program
1. TV and Cleaning
2. Sewer System Evaluation Studies (SSES)
b. New sewer collection system facilities (Interceptors and/or Lift
Stations)
2. Prepare Sewer Collection System Master Plan Report and submit to the
City of Lubbock for review and approval on or before six hundred (600)
days after the effective date of this Agreement.
Profession al5ervicesAgreement-carter&BurgessAmend1-Ex A
August 16, 2007
Attachment "A° Page 3 of 3
Attachment "B" to First Amendment to Professional Services Agreement
Exhibit "B" to Professional Services Agreement
Fee Schedule for All Items of Scope of Services,
Less and Except Items 13.1.A. and 6.1.13.
Resolution No. 2007-80502
516,000
$72,240
5774
Attachment "Q"
Page 2
LUBBOCK WASTEWATER COLLECTION SYSTEM MASTER PLAN
Pnn
11511
Proj. Mgr.
Fknancial
Analysis)
En®.
IV
Engr. II
Sr
Tech.
Tech.
Secretary
RPLS SOrvey
Craw
GIS Spec
I0
GES Spat
II
GIS Spec I
Physical Insp
Craw
CDC
T0131
1125
$100
$100 $90
$90
$65
SBO $125 $135 1 $125 $100 1 $90
1
Labor
C MISCELLANEOUS :WASTEWATER :COLLECTION :SYSTEM SERVICES,..:
G-1 O erations and Maintenance Program
2
8
0
24
0
0
0
0
0
0
0
0
0
0
$0
$4,000
RecommendationslModi6cations
2
8
24'.
0
$4000
C-2 Grease Traps
1
- 4
0
8
0
0
a
0
0
0
0
0
0
0
$0
$1,600
Recommendations
1
4
H
0
0
$1600
G•3 Standard City SewerSpecifications
2
a
0
24
0
0
0
0
0
0
0
0
0
0
$0
$4000
EvaluateiRacommendations
2
8'.
24
_
0
0
$4000
Cd New WWTP Site
2
8
0
16
0
0
0
0
0
0
0
0
0
0
$0
$3,200
Recommendations
2
8
16
0
0
$3,200
G--`: Hydrogen Sulfide in Collection System
2
a
0
161
0
0
0
0
0
0
0
0
0
0
$0
$3 200
Recommendations
2
8
16
$3,200
SUBTOTAL PART C Dollars
$1,800
$5,400
$0
$8,800
$0
$0
$0
$0
$0
$0
$0
$0
s0
$0
$0
$16,000
SUBTOTAL PART C Hours
9
36
0
gal
0'
0
01
Of
0
ol
0
0
0
0
13
__..
TOTAL PART C
$16,000
D WASTEWATER COLLECTION. SYSTEM MASTER PLAN REPORT
D-1 [Compile TRMs
0
16
0
16
64
0
0
32
0
0
0
0
0
0
$o
$10720
COMDile TRMs
16
16
64
0
32
$10,720
D-2 Re ort Gra hics _
4
_ _ 16
0
16
40
0
120
0
0
0
0
0
0_
0
$0
$15,600
Compita Report Graphics
4
16
16
40
_ 120
_
$15,600
D=3 Draft Re ort
4
16
0
80
160
0
64
64
0
0
0
0
0
0
$1,500
$31,200
15 copies
4
16
80
100
64
64
$1,500
$31,200
D4 Final Report
41
16
0
40
40
0
40
32
0
0
0
ol
0
0
$1,500
$14,720
It cories
41
16
40
40
40
32
S1.50`0
S14,720
SUBTOTAL PART D Dollars
$2,400
$9.600
$0
$15 ,200
$22,800
$0
$14,560
$7,680
$0
$0
$0
$0
$0
S4
$3,000
$72,240
SUBTOTAL PART D Hours
121
64
0
1521
304
0
2241
128
0
0
0
01
a"
TOTAL PART D
$75,240
_
GRAND -TOTAL _
.;:.
GRAND TOTAL Dollars
$19800
$63000
1 SO
1 $251,600
$121425
$6
1 $29120
1 $14400 1
$4,000 1
$5,400
$6,000 1
$16000 1
$13,680
1 $0
1 $136,900
$544425
GRAND TOTAL Hours
991
420
0
25161i
16191
01
4481
2401
321
40t
481
1601
1521
01
1
5774
_
TOTAL PROJECT
I
;689 325
_
516,000
$72,240
5774
Attachment "Q"
Page 2
Attachment "B" to First Ar*fcndment to Professional Services Agreement
Exhibit "B" to Professional Services Agreement
Fee Schedule for All Items of Scope of Services,
Less and Except Items BA.A. and B.I.B.
$41,520
$414,665
Attachment "B" Page 1
FEE SCHEDULE - LUBBOCK WASTEWATER COLLECTION WASTER PLAN
_
Proj. Mgr.
5150
Financial
Anal sisl
Eng.
IV
Engr II
Sr
Tech.
Tech.
Secretary
RPLS
Survey Crew
GIS Spec
I{I
GIS Spec
II
G1S Spec I
Physical Insp
Crew
ODC
Total
$100 1 5100
1 $75
$110 $fi5
1 $60 1 $425
1 $135 j $125
$100 11
1 Labor
A; P MEETiNC,S.. _. __
....
_..
A•1
Meet with the Ci _ -
Monthly Prosect Status Meetings iL5.
24
24
120
120
0
40
40
2
24
0
p
Q
0
-
--.,, 0
0
D
0
0
$6,000
$6,()0
28 60
$28,60(
A-2
Meet with City Council _
24
0
24
0
0
0
0
0
0
0
Q
$2.500
6 80
Icitv Council Bnefin s-(3) --_-�'4
24
24
$2,500
$6,80
A-3
Modeling Training_4
16
0
_ 24
0
0
6
0
0
0
0
0
0
0
$1,000
$6.12
--
Tutorial Tr linin for Staff ---- ---
4
16
24
8
$1,00
$6,1
SUBTOTAL PART A IDotlarsi
$6400
$24.0001
$0.
S8800
1800
so
0
0
SO
so!
Sol
Sol
8.5001
_ SUBTOTAL PART A_ (Hours)
321
160
01
881
241
01
6
0
01
01
01
4i-
01
01
$411,52CI
31
`� ___�..-
TOTAL PART A
50 02
B SANITARY SEWER OVTERCEPTOR MASTER PLAN. --
,.., _
..
_. :0
.,...:.
B-1
Data Collection
0
12
0
40
_ 43
D
24
0
0
0
16
120
G.
0
2456
B-1.1 Collect Interceptor System Info ---_
4
16
3
_ 8
16
8D
$12.94 -
B-1.2 Po elation r Land use protectaon:�
4
_ 16
32
B
40
$9.12
8-1.3 Infannaiion Summdrie5 __
4
8
8
8
$2,520
B•2 _
Ma in -
14
20
0
24
88
0
0
0
32
40
24
0
72
Q
$2,000
$33.680
B-2 . Develop Base Map _ _ fT
+B -k 2 Develo2 Working Ma;,_
4
_ 4
4
4
8
8
_ 24
40
8
8
_
24$7.16
24
$8.36
_
6-2.3 1 MH Numbering. GIS Gala Base ljl oitc
e-2 4 Fieitl V'edfic�.tion
4
0
4
0
0
24
0
g
D
24
0
0
$0.
$6,36
$
82,5 FieldSurve
4
-
32
40
$2 000.
$$1 80
B-3
B-2.6 _ UP -Dale GIS Map` 2
Sanitary Sewer Flow 1 Rainfall MpnitorinD8
4
32
0
8
224
0
0
0
0
0
0
0
0
D
0
0
$113,400
.80
28 80
B-3.1 Sanitary Sewer Flow Gb,
30 Meters. 45 Das $60, Ljttt
4
16
160
$108,000
$19,240
B-4
8-3.2 Rainfall Monitoring
12 Gau es-. 45 Da's $1_1Da,'
Sanitari Sewer Interceptor Modeling ____-
4
24
16
96
0
64
1900
1160
0
192
-
112
0
0
8
40
80
D
$5.400
$10.000
$8,604
32760.
B-4 1 1 MH Loading
4
16
100
500
-
8
40
80
$62.90
B-4.2 1 S tem Configuration
4
16
240
5o0
64
1
_
$65 i2
B-4.3 1 Dry Weather Calibration _
4
16
400
40
32
4812
B-4.4 Wet Weather Calibration
4
16
200
40
3004
B-4.5 Interceptor Sewer Analysis _
4
16
700
40
6
$00.36
B-4.6 Recommended Alternate
4
16
340
40
64
--
$40.36
H draulic Model __ _
- -
- -
$10 004
$
Annual n
Su -
$
ADC Software
SUBTOTAL PART B Dollars -_. _
4 200
$24.000
$218.800
86 825
$S14.0A0
6 720
4 000
5440
6 000
16 000
$13,680
31
$125.400
414 66
SUBTOTAL PART B (Hours) _--__ _
4@
160
0
2188
129.1
0
2161
1121
32
40
48
164
-152
0
444
TOTAL PART
54006
$41,520
$414,665
Attachment "B" Page 1
Attachment "C" to Resolution No. 2007-80502
First Amendment of Professional Services Agreement
Exhibit "B-1"
To
Professional Services Agreement
Fee Schedule for Item B.1.A. and 13.1.13.
Of the Scope of Services
Compensation for B.1.A. above is $15,000.00
Compensation for 13.13. above is $75,000.00
ProfessionalServicesAgreement-Carter&BurgessAmendl-Ex B-1
August 16, 2007
Attachment "C" Page 1 of 1
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DISCLAIMER
ACOFtO 23 (2001/08)
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Office of Water Utilities
DATE August 9th, 2007
TO Tom Adams, Deputy City Manager
THROUGH Wood Franklin, P.E., Chief Engineer
FROM Soo Koo Soon, P.E., Senior Civil Engineer
SUBJECT Consider a resolution to amend the professional services agreement for the Sewer
Collection System Master Plan RFQ#05-137BM, Resolution No 2006-R0369.
Requested Agenda: October 11, 2007
Agenda Section: Consent
Title: Consider a resolution to amend the professional services agreement for the Sewer
Collection System Master Plan RFQ#05-137BM, Resolution No 2006-R0369.
Subject:
Contract Resolution - Water Utilities: Consider a resolution authorizing the Mayor to amend
the professional services agreement for the Sewer Collection System Master Plan RFQ#05-
13713M, Resolution No 2006-RO369
Item Summary:
Carter & Burgess is preparing a Master Plan for the wastewater collection system for the City of
Lubbock (COL). An important element of this master planning effort is the development of a
computer model of the existing COL collection system. This model will be used to evaluate
existing sewer flows and project the future sewer flows in the collection system.. Information
needed to develop this model were as follows:
1. The sewer collection system, which includes the sewer main, manholes, lift station and
the outfall at the Southeast Water Reclamation Plant.
2. The measured flows in the sewer collection system when the weather is dry, minor
rainfall and major rainfall events.
3. Population growth and projection.
The COL wastewater collection system is made up of b collection mains, the downtown area
(including Texas Tech University) and approximately 120 major tributaries. Carter & Burgess is
constructing the COL model for all collection mains and tributaries greater than or equal to 10 -
inches in diameter. To produce meaningful results, it is vitally important that the model
geometry accurately depicts the actual system layout. This is accomplished by building the
model based on known system node data (manholes) and connecting pipeline sizes and slopes.
In January 2007, after several months into the project and after they had a chance to review our
record drawing of the sewer collection system which is more than 100 years old, they noticed
that the record drawings were drawn using multiple referenced points for ground elevation like;
1. Using an assumed ground elevation of a 100 feet
2. Using the United States Geological Services, USGS elevation
3. Using the North American Datum developed in 1927
4. Using the North American Datum developed in 1983
Consequently, Carter Burgess (C&B) notified staff of these discrepancies and recommended to
staff that it would be beneficial to survey the 4000 manhole location and rim elevations, as well
as the pipeline flow line elevations, for all manholes to be included in the model. C&B
contacted Hugo Reed & Associates, a local surveying firm to provide an initial estimate for the
additional surveying effort for the 4,000 manholes. The initial cost estimates for this effort is
approximately $400,000. Staff presented the request of an additional $400,000 in funds for the
wastewater collection system master plan project in the 2007-2008 Fiscal Year CIP.
Staff has been working diligently with Carter Burgess the past few months on the following;
1. Staff worked with C&B to conduct an extensive review all relevant record drawings to
reduce the number of manholes that has to be surveyed.
2. Staff worked with C&B to identify the number of manholes that has common referenced
elevation.
2. Staff worked with C&B to identify the connectivity of the sanitary sewer system.
4. Staff reviewed and approved plotted profiles by C&B of existing pipelines and areas of
data deficiencies and/or discrepancies were noted. Reasonable assumptions were utilized
whenever practical to fill the data voids.
After several months on hard work, the number of manholes that needs to be surveyed has been
reduced by 80% and the additional surveying effort necessary has been reduced to is
approximately $75,000.
C&B also informed staff that another component that is vital to the model is the measured sewer
collection flow from a significant rainfall event. During the first 30 days of the project, they
have installed flow meters at strategic locations in our sanitary sewer collection system to
measure the amount of flow. They were only able to measure sewer flows for days with no rain
event and when there were rainfall it did not have any significant impact on the entire sanitary
sewer system. Without a significant rain event, the computer model would not be able to show
the amount of rainwater flowing directly into sewer collection system nor ground water seeping
into the sewer collection system. The effort to conduct additional flow monitoring required an
additional $15,000. During the later part of spring this year, there was an unusual rain forecast
for an entire week and C&B alerted staff to take advantage of that forecasted rain event to keep
the project on schedule. Staff agreed with the C&B recommendation to conduct additional flow
monitoring during the rain events.
The total compensation as recommended in this Amendment is $90,000.00 which included
survey work necessary to provide adequate GIS data for computer modeling and additional flow
monitoring to calibrate the computer model for rain events.
Fiscal Impact:
The following recommendation is for the First Amendment of Professional Services Agreement
in the amount of $90,000. The amended contract total will be 5771,325.000. A total of
$700,000 was appropriated in FY06-07 and $800,000 was appropriated in FY07-08 for a total
appropriation of $1,500,000. $1,203,033 is currently available in Capital Improvement Project
No. 8509 (Sanitary Collection System Master Plan).
Staff Sub mittingfRecommendation:
Thomas L. Adams, Deputy City Manager/Director of Water Utilities
City Staff recommends the approval of the professional services amendment.