HomeMy WebLinkAboutOrdinance - 2622-1958 - Revisingand Making Additions To Ordinance 587 ETC.. - 10/27/195810-;;>I -1 9Sg ORDINANCE MO. , 2622
AN ORDINANCE AMENDING, REVISIN G AND MAKING A\Jn"iTI~s Tb9 5 ~
ORDINANCE NO. 587 AS HERETOFORE AMENDED BY ORDINANCES NO. 851~ 10t 2
818,~ 1035, 711, 675, 742~ AND 873 (BEING THE BUILDING CODE OF THE CITY 9F
LUBBOCK) PROVIDING FOR WAIVER OF BUILDING PERMIT REQUIREMENT ON f nvtd SMALL AND UNIMPORTANT WORK AND EXCEPTING NORMAL REPAIR AND 1/ //~g-::J J MAINTENANCE FROM PERMIT REQUIREMENTS; INCREASING BUILDING PER-II
. 1J MIT FEE FOR CERTAIN TYPE STRUCTURES; PROVIDING STANDARD FOR FINA f(!,' ?t:f!A(_ INSPECTION OF ALL BUILDINGS; REQUIRING ALL GENERAL CONTRAGTORS
/. TO POST FIVE-THOUSAND DOLLAR BOND IN FORM APPROVED BY CITY I (;~ ATTORNEY AND EXTENDING LIABILITY PERIOD UNDER SUCH BONDS FROM $1 TEN TO NINETY DAYS AFTERC:.OMPLETION OR ABANDONMENT OF THE WOR~;
OJ '1tf; RAlSING BOND FOR ALL OTHER CONTRACTORS AND SUBCONTRACTORS FRON,f
/) ONE-THOUSAND TO THREE-THOUSAND DOLLARS: AUTHORIZING BUILDING I
INSPECTOR TO REQUIRE LARGER BOND FOR EXTREMELY -HAZARDOUS
1 WORK NOT TO EXCEED FIFTY -THOUSAND DOLLAR BOND; REQUIRING ADDI-
TIONAL SPECIAL INSPECTOR FOR SPECIFIED TYPES OF CONSTRUCTION;
AUTHORIZING BUILDING INSPECTOR TO ACCEPT ALTERNATIVE TYPES OF
CONSTRUCTION AND MATERIALS ONCE APPROVED; AUTHORIZING BOARD OF
EXAMINERS AND APPEALS TO FINALLY APPROVE ALTERNATIVE TYPES OF
1 CONSTRUCTION AND MATERIALS WHERE SAME NOT EXPRESSLY PROIDBITEQ
BY CODE; DEFINING InGHLY FLAMMABLE LIQUIDSz REPEALING SECTIONS
1311 ANP 1312 OF BUILDING CODE; LIMITING FLOOR AREA FOR TYPE v II
BUILDINGS; AUTHORIZING SUBSTITUTION OF MECHANICAL VENTILATING
SY.STEMS IN GROUP I OCCUPANCIES; ADDING DRY CLEANING PLANTS TO "
EXCEPTIONS-FROM REQUIREMENTS OF GROUPE OCCUPANCIES; AUTHORIZI1'1JG
PLACEMENT OF NONCOMBUSTIBLE INSULATING MATERIALS IN PARTITION..,
FLOOR AND ROOF FRAMING OF TYPE Ill BUILDINGS; CHANGING EXTERIOR
WALL STUD SPACING TO TWENTY-FOUR :INCHES ON CENTERS FOR TYPE V
BUILDINGS AND AUTHORIZING DIAGONAL SIDING OF SPECIFIED SIZE AS
ALTERNATIVE FOR ANGLE BRACING REQUIREMENTS; AUTHORIZING USE OF
I
PLYWOOD IN SPECIFIED SIZES AS ALTERNATIVE METHOD OF SIDING FOR
TYP~ V BUILDINGS; AUTHORIZING USE OF PLYWOOD IN SPECIFIED SIZES AS
ALTERNATIVE METHOD OF ROOF SHEATHING; ADDING REQUIREMENTS FOR
BEAM AND PIER FOUNDATIONS; AUTHORIZING SLABS ON GROUND AS A FINIS
·lfLOOR OR BASE. SETTING THICKNESS FOR SAID SLABS, REQUIRING CON-
STRUCTION METHOD WHICH PREVENTS WATER OR DAMPNESS FROM 11
PENETRATING .SLABS, SETTING MINIMUM THICKNESS AND WIREMESH REIN-
FORCING REQUIREMENTS FOR SLABS AND REQUIRING GREATER THICKNESS I OF SLAB UNDER LOAD BEARING PARTITIONS; ESTABLISHING NEW UNIT STR
I
FACTORS FOR WOOD JOISTS; CHANGING FORMULA FOR CHECKING SHEAR
VALUE ·WHERE GIRDERS, BEAMS OR JOISTS ARE NOTCHED AT POINTS OF
l
~)____ ~===*=== ~ ~~.~~================~============~====~~~======~~==~===4r=
~ SUPPORT; INCREASING STUD SPACING TO TWENTY-FOUR INCHES ON
CENTERS FOR SPECIFIED TYPES OF CONSTRUCTION; COR1tECTING
FORMUlA FOR DETERMINING ALLOWABLE DEFLECTION FOR LOAD TESTS·
CORRECTING FORMUlA FOR DETERMINING NET WIDTH IN THE CASE OF
CHAIN OF HOLES IN STEEL OR IRON MEMBERS; INCREASING ALLOWABLE
UNIT WORKING STRESSES FOR STATIC LOADS WHERE .FUSION WELDING
IS USED; ADOPTING TABLES SHOWING MAXIMUM ALLOW ABU SPANS
FOR CEILING JOISTS AND ROOF RAFTERS; AUTHORIZING USE OF FACTORY
BUILT FIREPlACES AS AN ALTERNATIVE METHOD OF CONSTRUCTION;
SETTING NEW SPECIFICATIONS FOR LUMBER USED FOR SPECIFIED PUR-
POSES; ADOPTING NEW STANDARDS SECTION SETTING FORTH MORE
RECENT MANUALS. STANDARDS, GRADING GUIDES AND OTHER PUBLICA-
TIONS BY RECOGNIZED CONSTRUCTION AUTHORITIES; ADOPTING FOR THE
VARIED PURPOSES OF THE CODE MORE RECENT EDITIONS OF PUBLICA-
TIONS OF THE AMERICAN SOCIETY FOR TESTING MATERAl.S; AMENDING
TERMS BUILDING COMMISSIONER AND BUILDING OFFICIAL TO READ
BUILDING INSPECTOR; CHANGING TERM CITY COUNCIL TO CITY COMMIS-
SION AT ALL POINTS IN THE CODE; ADOPTING NEW TABLES SHOWING
ALLOWABLE UNIT STRESSES FOR STRESS FOR VARIOUS TYPES AND GRADE
OF WOOD; ADOPTING TABLES REGUlATING MAXIMUM ALLOWABLE SPANS
FOR CEILING JOISTS AND ROOF RAFTERS; PROVIDING A PENALTY; AUTHO-
RIZING PUBLICATION OF DESCRIPTIVE CAPTION AND PENALTY ClAUSE
AS AN ALTERNATIVE METHOD OF PUBUCATION AND PROVIDING AN
EFFECTIVE DATE FOR THIS ORDINANCE.
WHEREAS, the City Commission finds that heretofore Ordinance No. 587 wasv
enacted as the Building Code of the City of Lubbock to regulate the erection,
construction, enlargement, alteration, repair, moving, removal, demolition,
conversion, occupancy, equipment, use, height ., area and maintenance of
buildings and/or structures in the City of Lubbock; and,
WHEREAS, in spite of prior amendments by Ordinances No. 675, 711, 742,
818, 851, 873, 1012 and 1035 said BUilding Code has not kept pace with the
innovations and professional advancements of the building and construction
industry; and,
WHEREAS, the City Commission finds that such industry-wide innovations
and advancements constitute acceptable practices which should be recognized
by the Building Code; and,
WHEREAS, the City Commission finds it would be to the public interest,
saf~ty, health and general welfare, that certain amendments, revisions, dele-
tions and/ or additions be made to the Building Code of the City of Lubbock as
hereafter set forth in the body of this Ordinance; NOW THEREFORE.
BE IT ORDAINED BY THE CITY COMMISSION OF THE CITY OF LUBBOCK:
SECTION 1.
THAT certain amendments, revisions, deletions and/or additions be made to Ordinance No. 587 as heretofore amended by Ordinances Nos. 675, 711, 742,8 8,
-. ··"'
~
851, ;873, 101Z1 and 1035 (being the Building Code of the City of Luobock and bein
hereinafter referred to as "Building Code") as follows:
of the Building Code .
1:. THAT the first paragra:ph of Sec. ZOVbe amended to read herer ·.after as
follows:
11No person shall erect or construct or prcoceed with the erection or con-
struction of any building or structure1 nor add to, enlarge, move, improve, alter
repair, convert., extend, or demolish any building or structure or cause the same
to be done, without first obtaining a building permit therefor from the building
inspector except that upon application and authorization of the building inspector
a building permit may be waived on small and unimportant work. No permit will
be required for normal repair and maintenance of any building. 11
Z: THAT Sec. Z03 of the Building Code Be and the same is· hereby amended
to read here~ tafter as follows:
"Any _t)erson desiring a building permit shall, at the time of filing an
application therefor, as provided in section ZOl of this Code, pay to the building
inspector a fee as required in tlia Section.
New buildings and additions. Minimum fee, $1. 00. All types of buildings
per square foot of floor space, $0. 0075. Open shed, cotton warehouses and other
buildings of similar type, $0. 005 per square foot of floor space. Gasoline or
other volatile or inflammable liquids storage plants, $5. 00. Service station
storage ·tanks $Z. 50 per tank.
Alteratmnse.:. For alterations of old buildings the fee for permits shall be
one-tenth of one per cent of the value of such alteration. Minimum fee $1. 00 •
. The city,· county, state,) or the United States of .Alnerica shall be exempt
from the paying of any fee for any building. ·
Where work for which a permit is required by this Code is started or
proceeded with prior to ol:laining said permit, the fees above specified shall be
doubled, but the payment of such double fee shall not relieve any persons from
fully complying with the requirements of this Code in the execution of the work
nor from any other penai.i ties prescribed herein.
The building inspector shall keep a permanent, accurate account of all fee
and other moneys collected and received under this Code and give the names of th
persons upon whose account the same were paid, the date and amount thereof,
together with the location of the building or premises to which they relate. 11
3; THAT the seventh paragraph of Sec. 204 of the Building Code BE and the
same is hereby amended to read as follows
11Final inspection: To be made after building is structurally completed an
acceptable for occupancy in accordance with requirements of all related codes
pertinent to the premises and structures. "
~ 4: , ~HAT the eleventh paragraph and all following same in Sec. 204 of t-h-e-==~=
Building Code Be and the same is hereby amended to read hereafter as follows:
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BOND FOR GENERAL OONTRACTORS AND ------------OTHERS------------
Any person, firm or corporation desiring to engage in the business of general
I contracting in the City of Lubbock, shall file with the Building Inspector, to be
approved by the City Attorney or an authorized assistant as to form and condition
and such approval has been written on the face of the bond, the same shall be
immediately effective and the principal deemed to have complied with the bond
provisions of this code~ a surety bond in the swn of FIVE THOUSAND($5a 000. 00)
DOLLARS, conditioned on a faithful performance of all the provisions of tlis code,
such surety to be a company authorized to transact business in the State of Texas.
All sureties on any bond required by the City shall be liable for breach thereof
to the owner of the property and any other person actually damaged by such breach
not to exceed the face amount of said bond.t provided written notice of such damage
and probable amount thereof is given to the surety within ten days after the dis-
covery of the damage011 and in no event not later than 90 days after the completion
or abandonment of the work by such contractor and provided that no permit shall
be granted and no work started on the contract until such bond has been filed and
approved by the City Attorney or an authorized assistant as to form and condition
I
and such approval has been written on the face of the bond, the same shall be
immediately effective and the principal deemed to have complied with the bond
provisions of this code~ and provided further that liability on said bond for the full
amount thereof shall continue until the surety has given city written notice of
cancellation or of amount of claims it has been notified of in which event contracto
shall not pursue work further until bond for full amount is filed and approved.
Bond for Other Contractors
All other contractors and subcontractors engaging in contracting business, such
as that of plumberj,, gas fitters, electricians., carpenters, plaster s1 masons and I house movers shall furnish similar bond in the swn of $31 000. 00;) said bond to be
subject to the same conditions and liabilities as provided for the General Contracto 11
bonds hereinabove.
No persn, or persons shall hereafter move any building within the limits of the
City of Lubbock,, Texas, where the same shall be moved in~ through orLupon the
streets, alleys,. avenues, or public g£aunds1 unless said person, shall, before
moving said house or bui.~lding secure a permit to do so from the Building Inspecto •
=-======tt=!=--The owner shall pay for said permit, Buildings up to and less than 400 ~quare ,~
feet in area~ One ($1. 00) Dollar. One (1) story house Two Dollars Fifty Cents
($2. 50). Two (2) story house Ten ($10. 00) Dollars, and larger structures Twenty-
Five ($2.5. 00) Dollars. In addition to the above fees for moving, a fee of Two
Dollars Fifty Cents ($2.. 50) will be charged for each day in excess of two days that
the building obstructs street or alley. No permit will be required of contractors
for moving tool or storage houses, but same shall be removed from building site
upon completion of contract.
I Before said permit is granted by the Building Inspector, the party applying ther -
for shall give a bond in the sum of THREE THOUSAND ($3, 000. 00) DOLLARS with
good and sufficient sureties to be approved by the City Attorney or an authorized
assistant as to form and condition and such approval has been writte.n on the face
the bond, the same shall be immediately effective and the principal deemed to have
complied with the bond provifions of this code, conditioning among other things tha 1
said party will save1 indemnify and keep harmless the CD¥ of Lubbock, Texas7 aga E
all liabilities~ judgments, costs and expenses which may in any way accrue agains
said city in consequence of the granting of the said permit_, and upon the expiration
of the time named in the permit, or sooner if the use of the streets, alleys, avenuEfjs
or public grounds is no longer necessary, he shall clear same o£ all obstructions.
Further, the Building Inspector may refuse to issue a removal permit in a case
'where such work will necessitate the removal or cutting of any wires belonging to
a public utility company, or to the city;~ until such time as the party making
application for such permit shall have made satisfactory arrangements with the
party or parties owning or controlling such wires~ either by written agreement or
by depositing with said company a sufficient amount of money to cover the cost of
such work, that is~ cutting and replacing the wires so moved or cut, to the satis-
faction of the parties owning or controlling same.
Contractor r e Liability--Bond
II
Any person~ firm or corporation using explosives shall give a bond to be
approved by the City Attorney or an authorized assistant as to form and condition
and such approval has been written on the face of the bond~ the same shall be
immediately effective and the principal deemed to have complied with the bond
provisions of this code, conditioned upon payment of all damages caused by said
excavation or use of explosives in the amount of Five Thousand ($5, 000. 00) Dollar •
In cases where work is extremely hazardous the amoun~f the bond shall be no ars increased not to exceed Fifty Thousand ($50, 000. 00)/at t e c1iscretion of the Build-
ing Inspector.
II
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:;:_<:.;~ ~ -S.E_ecial_Engineering Supe=:_vi_!iO!:-""'~~...;-i:..: dl t! ... e ::~.;~~c ·-g! I . .:::.··:: -c:13
:.: ~-~ ;,~.'4 -......,:
In addition to the inspections to be made as specified in Section 2.04, the owner
or his agent shall employ a special inspectum who shall be present at all times
during construction on the following types of work:
1. CONCRETE: On concrete work when the de sign is based on an f 1c, in
excess of 2000 pounds.
2.. MASONRY: Masonry work shall have special inspection when required
in Chapter 24.
3. WELDING: On all structural welding.
4. REINFORCED GYPSUM: When cast-in-place reinforced gypsum is be· g
mixed or deposited.
5. SPECIAL CASES: On special construction or work involving WlUsual
hazards or requiring constant inspection.
EXCEPTION: The Building Official may waive the requirement for the
employment of a special inspector if he finds that the construction or work is such
that no unusual hazard exists.
Special Inspector. The special inspector shall be a qualified person appro ec
by the Building Official. ~
The special inspector shall fu.rnis:h continuous inspection on the constructiop
and work requiring his employment. He shall report to the building iMipecitoll" in
writing.,. noting all Code violations and other information as required.
5. THAT the 3rd paragraph of Sec. 302. of the Building Code BE and the same
is hereby amended by adding thereto, the following sentence:
"Once such alternative types of construction or materials have been appro ec
the building inspector shall a:llow all subsequent applicants to use the same type of
construction or material on the same class of construction project. 11
6. THAT Sec. 304 of the Building-Code BE and the same is hereby amended t
read hereafter as follows:
11In order to determine the suitability of alternate materials and types of
construction and to. provide for reasonaltle interpretations of the provisions of this
Code, there shall be and is hereby created a Board of Examiners and Appeals., con
sisting of five members who should whenever practicable he chosen from among
1 architects.J builders, lawyers, structural engineers and/or other persons qualifie
by experience and training to pass upon matters pertaining to building constructio
The building inspector shall be an ex officio member and shall act as Secretary of
the Board. The Board of Examiners and Appeals shall be appointed by the City
Commission and shall hold office at their pleasure. The Board shall adopt
reasonable rules and regulations for conducting its investigations and shall render
all decisions and findings in writing to the building inspector with a duplicate copy
to the appellant and may recommend to the City Commission such new legislation I as is consistent therewith.
The Board of Examiners and Appeals may interpret the provisions of this
Code to cover a special case;~~ if it appears that the proviaons of this Code do not
definitely cover the point raised or that a. manifest injustice might be done# provide
that every such decision shall be by unanimous vote of the Board of Examiners a.nd
Appeals. Decisions as to the use of alterrstematerials and/or types of constructio1
shall be by majority vote and if expressly prohibited by this Code shall become
effective only when authorized by an amendment to this Code. 11
7: THAT the last paragraph of Sec. 306 and all of Sec. 307 oi the Building Coc:if
BE and the same are, hereby repealed.
8: THAT the term "suggested Fire Prevention Ordinance, Edition of 1933" at
all places where same appears in the Building Code BE and the same is hereby I amended to read hereafter: "suggested Fire Prevention Code, Edition of 19 53. 11
9: THAT Sec. 1001 of the Building Code BE and the same is hereby amended
I
by adding thereto the following footnote7 to-wit:
11Note--Highly flammable liquids shall be deemed to be those with a flash
point below 190 degrees Fahrenheit as determined by the closed cup tester~
provided that liquids with a flash point above 138.5 degrees Fahrenheit shall not
be deemed to be highly flammable when used in a closed safety cleanitg system
meeting _the requirements of U. B. c. Standard No. 10 .. 1 for a class III rating. 11
10: T'E<IAT all of Sees. 1311 and 1312 of the Building Code BE and the same are
hereby repealed~
II !!. I 11: THAT Sec. 1402 of the Building Code BE and the same is hereby amended tw
read as follows:
"Buildings or parts of buildings classed in Group I because of use or the
character of the occupancy shall be of Types I, II1. II~ IV or V ..Construction. The
floor areas of Types I and II shall be unlimited, the floor areas of Types III and
IV shall be limited to ten thousand square feet (10~ 000 sq. ft. h and the floor area
of Types V shall be unlimited.
12: THAT Sec. 1405of the Building Code BE and the same is hereby amended
to read as follows:
"All rooms of Group I occupancies used for eating~ living and/or sleeping
purposes shall be provided with light and ventilation by means of windoV~A~_ with an
area not less than one .. eighth of the total floor area of such room or rooms. In
lieu of the foregoing requirements a mechanical ventilatigg system to the outside
air may be installed in a portion of this area upon approval of the Building
Inspector. ·
"Light~ ventilation and sanitation shall be provided as specified by any state
laws which are intended to regulate such light, ventilatinn.:1 and &anitation."
13: THAT Sec. 1602~ paragraph (i) BE and the same is hereby amended to
read as follows:
"(i) Group E. No. GroupE occupancies except public garages, gasoline
filling stations or dry cleaning plants not using highly flammable liquids shall be
constructed or erected in Fire Zone No. 1 and no existing buildings shall be used
or occupied in any manner whatsoever by Grade E Occupancies except as public
garages, gasoline filling stations, or dry cleaning plants not using highly flammabl
liquias. 11
14: THAT Sec. 16031 paragraph (g) BE and the same is hereby amended to
read as follows: Group
"(g) Group E. No./E occupancies except public garages~ gasoline filling
stations or dry cleaning plants not using highly flammable liquid shall be construct d
or erected in Fire Zone No. 2. and no existing buildings shall be used or occupied ·
any manner whatsoever by Gllapp E occupancies except as public garages1 gasoline!
filling stations or dry cleaning plants not using highly flammable liquid. 11
15: THAT the last paragraph of Sec. 2016 of the Building Code BE and the sam
is hereby amended to read as follows:
11 Noncombustible insulating materials may be placed in the partitixm1 floor
or roof framing but shall in no way interfere with the fire blocking or fire separa-
tions required by this Code. 11
U 16: THAT the first five paragraphs o£ Sec. 2205 of the Building Code down to
but not including the paragraph which begins "Maximmn allowable height, etc." an
ends "· •• Perpendicular to the direction of the stqc:lewall" BE and the same are
hereby amended to read as follows:
EXTERIOR WALLS AID WALL COVERINGS
Section 2205. Exterior walls of all type V buildings having a .floor area of
four hWldre.d square feet (400 sq. ft.) or more shall be constructed with studding
not less than two inches by four inches (211x 4") spaced not more than twenty-four
inches (2411 ) on centers;~~ or such walls may be constructed of not less than four inc
I by four inch (411 'x 4 11) posts spaced not more than five feet (51) on centers or of
larger members designed as specified in Chapter 25, or may be of post and beam
framing with pla~ sheathing not less than one and one-half inches (1 1/211) thick
I or rna y be of pimi nated construction not less than four inches ( 4 11) nominal in
thickness with the structural assembly properly designed to support all loads •
..._.....-----.._
u
Buildings two stories in height shall have walls constructed as specified
above~ except studding shall be not less than two inches by four inches (211 x 411)
spaced not more than sixteen inches on center. Buildings three stories in height
shall have the first story studs not less than two inches bysix inches (2" x 6••)
I spacec;l not more than sixteen inches (16") on centers.
Underpinning shall be not less in size than the studding of the story above)
provided,. that all underpinning exceeding four feet (41) in height shall be not less
in size than the studding required for an additional story. All such underpinning
shall be effectively braced.
Where studs continue through more than one story~ joists shall be nailed
securely to the studs and shall be supported upon a one inch by three inch (1 11 x 311)
ribbon_, notched into the studs and securely nailed thereto;~~ or by other means
affording equivalent strength and rigidity. Where stories are framed separately;~~ I
each tier of studding shall have top and bottom plates and the top plates shall be
doubled and lapped at all corners and intersections. Laps in separate pieces of th
top plate shall be staggered not less than four feet (41).
All exterior walla and partitions shall be thoroughly and effectively angle
braced. When one inch nominal wood sheathing is used for covering on outside
walls and applied diagonally .. this will satisfy the requirements for angle bracing.
When one-half inch (1/2") plywood is used for exterior sheathing, in 4 1 x 8 1 panels
or large;r this will suffice for angle bracing.
17: THAT Sec. 2205 of the Building Code BE and the same is hereby amended t
add thereto after the paragraph entitled "(a) Weatherboarding" the following:
Plywood may be used for siding as following: ·
a. Minimum thickness Maximuzn stud spacing
5/16 -inch 16 inches
3/8 -inch 24 inches
b. Types of finish which affect the minimuzn thickness of plywood used:
(1) Under wood shingles: if 5/16-inch plywood is used;~~ apply shingle~
over 1 x 2-inch nailing strips using copper or galvanized nails for attaching the
shingles. Nailing strips may be omitted if barbed nails are used for attaCbi.n:g'.fhe
shingles.
1 (2) Under asbestos-cement shingles and siding: if 5/16-inch thick
plywood is used• apply siding or shingle material with barbed nails •. Do not apply
over wood nailing strips.
18: THAT Sec. 2211 of the Building Code BE and the same is hereby amended
to read hereafter as follows:
Sec •. 2211. Roof construction may be of any type of construction permitted
in this code. When roo£ construction is of wood it shall conform to the require-
ments of Chapter 25.
..
Attic or roof spaces shall be divided into areas not exceeding•twenty-five
hundred square feet (2500 sq. ft.} as specified in Section 3405.
Roof.covering shall be a ttFire Retardant" roofing, except that for Groups H,
I and J occupancies, an ordinary roofing.may be used as specified in Section 4305.
The roof construction shall be solidly sheathed with wood, sheathing to be not less
than twenty-five thirty-second inch (2.5/32"} think. Plywood may be used for
sheathing as follows:
Plywood
a. Roofing Material.
Rafter maximum
Spacing (inches)
Wood and asphi lt shingles 16
2.4
Slate, tile and asbestos-cement 16
24
.t-"'::.:~Flat_x;oci ;s 16
24
Plywood min~imu1r1 .,...
thickness {inches)
5/16
3/8
1/2
5/8
3/8
1/2
b. Applicati!)n. Apply grain of outer plys at right angles to rafters.
c. Under wood shingles: Apply 1 x 2.-inch nailing strips over plywood less
~han 1/2 inch thick, spaced according to shingle exposure.
d. Protection. Plywood roof sheathing, unless of exterior type, shall have
p.o surface or edge exposed.
1 • 19: THAT Sec. 22.17 of the Building Code BE an'd the same is hereby amended
r y the addition at the start thereof of the following:
Pier & beam foundations may be used on one story construction
406-H-H. Beam and Pier Foundations.
,, ~
r
(1) Piers shall be spaced not more than 8 feet o. c. under beams that
upport floor joists.
{2) Piers may be spaced not more than 10 feet o. c. under beams. that ~arallel all floor joists, except that they shall be placed directly beneath all
~irders and sub-sills that bear on the supported beams.
(3) Piers shall be reinforced with one 5/8-inch dowel rod for 1he full length.
~£the pier and extending 12. inche~ into the beam.
· {4) Beams for frame structures shall be not less than 611 x 2111 , reinforced
ivith three i/2-inch rods, one in the top and two in the bottom •
. (5) Beams for masonry veneer shall be not less than 1011 X 2111 with width
n no case less than the supported wall, reinforced with four 5/8-inch rods, two
n the top and two in th~ bottom.
20: THAT Sec. 22.17 of the Building Code BE and the same is hereby amended
y the addition at the end thereof of the following:
"(b) Concrete slabs on ground. s ·labs on 1he ground used as a finish floor
or as a base for other floor finish in habitable rooms shall have a minimum thick-
n ess of four inches. Wire mesh reinforcing is required and shall be a minimum
1 of 6 x 6 by 10-10 welded wire mesh. When the concrete Eia.b on groWld is used as
finish floor or the base for other finish flooring in habitable rooms the constructio
of the floor and base shall be such that water or dampness will not penetrate the
slab. Floor slabs under load bearing partitions shall be made eight inches (8 11)
thick by twelve inches (1211) wide with a minimum of two (Z) one-half inch (1/Z")
rein£orcing bars for tre entire length of the partition. Finish floor shall be a
minimum of eight inches (8") above finish grade."
Zl: THAT Sec. 2406 of the Building Code BE and the same is hereby amended
to read hereafter in full as follows:
"Hollow concrete tile or blocks shall be units de signed for wall conaruction
and shall meet the requirements of the Standard Specifications for Hollow Load-
Bearing Concrete Masonry Units (A. S. T. M. Designation C90 .. 52 of the American
Society for Testing Materials.)"
22• THAT the last paragraph of Sec. 2408 of the Building Code BE and the sam
is hereby amended to read hereafter as follows: I 11 Test samples shall consist of two inch by two inch (Z" x 2") cylinders of
two~inch (211) cubes, cut from the stone as delivered on the }>b or from the regular
stock in the yard, and shall be taken in such a manner that they are composed of
approximately one-half of the facing and one-half of the backing material and so
that they_ can be tested in the position in which the cast stone will be laid in the
!masonry. Tests of cast stone speciznens shall be made in accordance with the
Uniform Building Code Standard 24-19, Pacific Coast Building Officials Conferenc
I
23: THAT the specification entitled 11 grading procedure of American Lumber
Standards, as set forth in Wood Handbook~ U.S. Department of Agriculture,.
Septembert 193511 BE and the same is hereby amended at all places where same
appears ·in Sec. 2503 of the Building Code, to read hereafter as follows:
11 tJniform Building Code by Pacific Coast Building Officials Conference. 11
24: THA. T Sec. 2503, paragraph {b) (Z) BE and the same is hereby amended to
read hereafter in full as follows:
11 (Z) For long time loading conditions the maximum allowable stresses for
lumber qualifying as "Structural Lumber11 for the species listed in table No. 1 of
this Chapter~ shall not exceed the values therein given. For species am gra!ic.•~
not given in table No. I of the Chapter7 the working stresses therefor shall be
established by the building inspector."
2.5: THAT the table appearisg in Sec. 2503~ Paragraph (f) BE and the same is
hereby aznended to read hereafter as follows:
II
11 Length of bearing
IT-~hes) 1/2 1 1-1/2 2 3 4 5 or more ~tor ·-y:-,!--or-r:-25-t. l~ ---r..,-r--r:l0'-'1:-m>---,, --------------------------------------------------
26: THAT the formula appearing in Sec. 2521 of the Building Code BE and
the same is hereby amended to read hereafter as follows:
V -2bd2H -------------3h
27: THAT Section 2524, paragraph (d) of the Building Code BE and the same
is hereby amended to read hereafter in full as follows:
"(d) Size and Height• Exterior stud walls. and bearing partitions for
buildings of two stories or less shall consist of not less than two-inch by four-
inch (211 x 4") studs; for buildings of three stories, the studding shall be not
less than three-inch by four-inch {3 11 x 4") or two-inch by six-inch (211 x 6tt)
to the bottom of the second floor joists and two-inch by four-inch (2tr x 4 11)for
the~ ~Pt!'f J1;or~llc 1' ¥-a:xim.:U:r)l::Jt].;lj,'tta."bk:. ~ight of two-inch by four-inch
{2." x 4•) and three-inch by four -inch (3" x 4 11) stud framing ~hall be fourteen
1 (14f) fl,nd of two-inch by six-inch {211 x 611) stud framing shall be twenty (20'}
feet unless the wall is supported laterally by adequate framing. No studding
shall be spaced more than twenty .. four inches (2411} center, except that in lieu
of this requirement the studs and pla.te.s may be designed as a system of columns
and beams, provided structural grade material is used. 11
28: THAT Sec. 2604, paragraph (a) of the Building Code BE and the same is
hereby amended to read hereafter in full as follows:
"(a) Portland Cement. Pcrrtland cement shall conform to th~
11Standard Specifications for Portland Cement, u (A. s. T. M. Designation
ClS0-52 {1) of the American Society for Testing Materials. "
29: THAT the formula appearing in Sec. 2605 of tl2....!Building Code BE and
the same is hereby amended to read hereafter as follows:
• 001L2
D=
l2t
30: THAT the second paragraph of Sec. 2701 of the Building Code BE and
the same is hereby amended to read hereafter in full as follows:
"Structural steel shall be of such quality as to conform to "Standard
Specifications for Steel Bridges and Buildings," A. S. T. M.· Designation
A7 .. 52T of the American Society for Testing Materials."
• '
u
I 3i: THAT the formula appearing in Sec. ?.707 of the Building Code BE and the
same is hereby amended to read hereafter as follows:
82
4g
3?.: THAT Sec. 2710 of the Buildigg Code BE and the same is hereby:-amende
to read hereafter as follows:
"Fusion welding may be used (in place of riveting or bolting) for connectin
structural steel or wrought iron parts or members to one another, but in no case
shall the stresses in such joints exceed the allowable unit working stresses given
in the following table:
Allowable Unit Working Stresses for Static Loads
Tension in weld metal (butt welda). • • • • • • • •
Shear in weld metal (fillet welds) • • • • • •••
~ Compression in weld metal • • • • • • • • • ,
Maximum fiber stresses due to bending shall not exceed the values pre sc ri -
ed above for tension and compressio~ respectively. In designing welded joints
adequate provision shall be made for bending stresses due to eccentricity~ if any,
• • • 2.0. 000 lbs. per. sq. in.
• .11, 300 lbs.per. ~q.in.
•• 2.0, 000 lbs. per. sq. in.
II
in the disposition or section of base metal parts. ,
Standard Code for Arc and Gas Welding in Building Construction, Dl. 0-46,
American Welding Society, 1946, shall be followed in the design and execution of
structural welding. 11
33; THAT the date 11January 193411.appearing at the end of tre last sentence of
paragraph (d) of Sec. ?.715 of the Building Code BE and the same is hereby amend~ij_
to read hereafter as "1956. rt
34: THAT the third paragraph of Sec. 3105 of the Building Code BE and the sa e I is hereby amended to read hereafter as follows:
1
1 rrTable No. I of this Chapter gives the maximum allowable spans for floor
joists based on live load of 45 pounds per square foot uniformly distributed. 11
35: THAT the second paragraph of Sec. 3ZQ3 of the Building Code BE and the
same is hereby amended to read hereafter as follows:
"Tables No. 1 and 2. give the maximum allowable spans for ceiling Joists
and roof rafters, surfaced four sides to American Lumber Standard sizes. 11
u
36: THAT the first paragraph of Sec ~ 3701 o£ the Building Code BE and the sa t
is hereby amended to read hereafter as follows:
"Chimneys shall be constructed in conformance with Article X1 National
Building Code, Recommended by the National Board of Fire Underwriters except
where otherwise provided in this Code. 11
37: THAT the first paragraph of Sec. 3706 of the Building Code BE and the s~e
is hereby amended to read hereafter as follows: 1•
"All fireplace walls shall be not less than eight inches thick and if built of
I stone or hollow units shall be not less than twelve inches thick. The faces of all
such minimum thickness walls exposed to 'fire shall be lined with fire brick, soap
stone7 cast iron or other suitable fire resistive material. When lined with four
inches of fire brick such lining may be included in the required minimum . thickne s.
Factory-built fireplaces that are approved as a result of tests and listing by a
nationally recognized testing laboratory may be used when installed according to
manufacturer1s specifications. All fireplaces shall be connected to a regulation
·chimney as specified in Section 3701~ or to a patent chimney as specified in
Section 3 704. 11
38: THA. T the second (last)paragraph of Sec. 3713 of the Building Code BE and
the same is hereby amended to read hereafter as follows:
"Oil burning apparatus using commercial fuel oil, furnace oil, diesel oil
or other flammable liquids shall be constructed and installed in compliance with
the regulations of the National Board of Fire Underwriters for t~e installation of
oil burning equipment recommended by the National Fire Protection Association,
Edition of 1957. 11
39: THAT the first paragraph of Sec. 380Z of the Building Code BE and the sa
is hereby amended to read hereafter as follows:
"Every automatic sprinkler system required by this Code shall comply in
respects with "the Installation of Sprinkler Systems" of the National Board of Fire
Underwriters~ edition of 1953, where not contrary to the specific requirements
in this chapter. 11 ·
40: THAT the first p~ragraph of Sec. 410Z of the BUilding Code BE and the sanr
is hereby amended to read hereafter as follows: I "A_:t proscenium curtain for stage openings over sixty feet in width shall
comply with the regulations contained in the National Building Code as recommend d
by the National Board of Fire Underwriters, 19 55 editioUt Section 3Zl. z. A
proscenium curtain for stage openings sixty feet or less in width, shall be constru t-
ed and installed as specified in this chapter. The curtain shall be made of one
thickness of asbestos cloth weighing not less than three and one-quarter pounds
per square yard. 11
41: THAT Section 43041 paragraph (1) of the Building Code~ BE and the same
is hereby amended to read hereafter as follows: ...
11(1) Tin-clad wood-core doors 'With the core made in three plies of wood
one-inch nominal in thickness and covered with sheet metal, the door to be con-
structed in accordance with the standard of Underwriters Laboratories, Inc. 11
42: THAT Section 4304,. paragraph (4) of the Building Code BE and the same is
hereby amended to read hereafter as follows:
11 (4) Tin-clad wood ... core doors made of two plies of wood one inch nominal
in thickness and covered with sheet metal, the door to be constructed in accordanc
with the standard of Underwriters Laboratories, Inc."
43: THAT the next to the last paragraph in subsection {a) of Section 4304 of the
Building Code BE and the same is hereby amended to read hereafter as follows:
11Fire doors required by this Code shall be installed in the manner pre-
scribed in the Uniform Building Code,. Volwne U4 1952 edition, U. B. c. Standards
43-3 and 43 ... 4. 11
44: THAT the first paragraph of subsection (b) of Section 4305 of the Building
Code BE and the same is hereby amended to read hereafter as follows:
"(b) Ordinary roofings; "Ordinary11 roof coverings shall be any roof
covering which meets the requirements specified for the following roof coverings:r
12 through 18~ inclusive~ or shall be any robfing ~eeting the Class C Specification
of the Underwriters1 Laboratories, Incorporated. (3). 11 1
1
45: THAT the first paragraph of Sec. 4708 of the Building Code BE and the s
U is hereby amended to read hereafter as follows:
11 Lime putty used for making plaster shall be made from fresh quicklime
conforming to the 11Specifications for Quicklime for Structural Purposes,. 11 (A. S. T.
Designation CS-26) of the A:merican Society for Testing Materials, or hydrated
lime conforming to the "Standard Specification for Hydrated Lime for Structural
Purposes1 11(A.S. T. M. Designation C6-49h of the American Society for Testing
Materials. "
46: THAT the first paragraph of Sec. 4802 of the Building Code BE and the sa
is hereby amended to read hereafter as follows:
11All regulations for the storage and handling of photographic and X-Ray
I nitrocellulose films shall conform to the regulations of the National Board of Fire
Underwriters for Nitrocellulose Motion Picture Film as recommended by the
· National Fire Protection Association, Edi1ion of July 11 1939, reprint 1949. 11
I
'.
'
47: THAT that portion of the Building Code entitled "Ordinance on Constructiot
Practices" paragraph (9) BE and the same is hereby amended to read hereafter as
follows:
' "(9) Lwn'B'er permitted in the abo.ve locations shall have physical propert~i s~
equal to those of Foundation Grade redwood, FoWldation Grade cedar~ all heartwo d
cypress or any species of wood treated under pressure with an approved preserva
tive. Such treated lumber shall show a penetration of an approved preservative of
not less than one:-..quarter inch at any point.
Redwood where used in such locations shall be of Foundation Grade as
defined in the Standard Specifications for Grades of California Redwood Lumber,
1955 and shall bear the official grade mark of that association or satisfactory
evidence of compliance shall be submitted to and approved by the building inspecto •
and
48: THAT that portion of the Building Code entitled "STANDARDS" BE/the sam~
is hereby amended to read in full hereafter as follows:
STANDAR:QS
Refer to Section 4602.. The following list includes all of the documents includec
in the Uniform Building Code, classified by subject. The "S.D.;" reference at the
end of each docwnent name ref~rs to the book 11Specification Docutnents."
Cement
Standard Specifications for Portland Cement. A.; S. T • M. Designation Cl50-52..
(See Sections 2.410,. 2.604 and 4711). S.D.;
Teda.tive Specifications for Ready mixed concrete,· A.oS.o T,; M.; Designation
C94-48. (See Section 2.607).
Agg're gates ·
Standard Specifications for Concrete Aggregates, A,; S.; T. M. Designation
C33-52.. (See Section 2604).
Standard Method of Test~ Organic Impurities in Sands for Concrete, A.;S.; T.M.o
Designation C40-48. (See Sections 2604 and 4707). S;; D.
Reinforcing Steel
Standard Specifications for Billet-Steel Concrete Reinforcement Bars of
Structural, Intermediate·or Hard Grade Steel, A,;.S.; T.oM.; D:esignation CA14-52.T.
(See Section 2604). S.o D.;
standard Specifications for Cold-Drawn Steel Wire for Concrete Reinforcement
A,; S. T. M.; Designation A82-34. (See Section 2604). S.; D.
Standard Specifications for Rail Steel Concrete Reinforcement Bars. A.; S. T • M.
Designation Al6-52. (See Section 2604). S .. D.;
Concrete
Standard Methods of Making Compression Tests of Concrete, A,; S. T.; M.;
Designation C 39 ... 49. (See Section 2613). S.D. .
Standard Methods of Making and Storing Specimens of Concrete in the Fieldto
A.;St. T.;M. Designation C31-49. (See Sections 2605 and 2613). S,;D.o
Gy:pswn
Standard Specifications for Gypsum, A. S.; T. M. Designation C22-50. (See
Section 2409}. S,; D.;
Gypswn Tile
Standard Specifications for Gypsum Partition Tile or Block~ A. S. T. M. ·
Designation C52-41. (See Section 2409). S.; D,;
Keene t ~ Cement
Standard Specification for Keene lt s Cement, A. S. T • M. Designation C61-50.
(See Section 4710). S.D.
Masonry
Standard Specifications for Corlcrete Building Brick, A. S,; T.; M,; Designation
C55-5Z. (See Section 2404). S,; D,;
Tentative Specifications for Building Brick, A.S. T,; M.; Designation C62-50
of the American .Society for Testing Materials. {See Section 2402). S.D.
Standard Specifications for Sand Lime Building Brick, A. S. T,; M,; Designation
C73-51 of the American Society for Testing Materials. (See Section 2403),; S.; D.;
Tentative Specifications for Load Bearing Concrete Masonry Units~> A,; S. T,; M,;
Designation C90-52 of the American Society For Testing Materials. (See Section
2406). S.;D.
Standard Specifications and Tests, Hollow Burned-Clay Load-Bearing Wall
Tile~ A. S,; T.; M. Designation C34-52. (See Section 2406).
•. .
Standard Specifications for Structural Clay Nonload Bearing Tile~ A. s. T. M.
Designation C56-52. (See Section 2405).
Speciai Wall Construction
Uniform Building Code Standard 24-19, Pacific Coast Building Officials
Conference. (See Section 2408).
Lime
Tentative Specifications for Hydrated Lime for Structural Purposes, A.s. T • M,;
Designation C6-49. (see Sections 2.410 and 4708). S.D.;
Standard Specifications.~ Quicklime for Structural Purposes, A. s. T. M.
Designation CS-2.6. (See Sections 2.410 and 4708). S.;D.
Steel
Standard Code for Arc and Gas Welding in Building Construction, Dl. 0-4. 6, ·
American Welding Society~ 1946. (See Section 2710). S.D.
Tenatati.ve.Specifications for Steel Castings, A. S. T.; M. Designation A27-52T.
(See Section 2.701). S.;D.;
Standard Specifications for Structural Steel for Buildings, A. S. T.; M.
Designation A7-52T. (See Section 2.701). S.D.
Iron
Standard Specifications for Gray Iron Castings, A.; S. T. M. Designation A48-48.
(See Section 2. 701). s. D.;
Wood
National Building Code as Recommended by the National Board of Fire
Underwriters, edition of 1955.
Fir·e .. Re si sti ve Standards
Standard Specifications for Fire Tests of Building Construction and Materials,
A. s. T. M. Designation Ell9-50. (See Section 42.01). S.D.
Uniform Building Code~ Volume II~ 1952 edition. {See Section 4,3.04). S.D.;
Standard of Underwriterst Laboratories., Incorpo'l'ated.
Sprinkler Equipment
Regulations recommended by the National Fire Protection Association for the
Installation of Sprinkler Systems, edition of 1953. (See Section 3802). S.D.
Chimneys
Chimneys, Flues and Vents National Building Code• 1955 edition. (See Section
3701). s.n.
Roof Coverings
Specifications of the Underwriters1 Laboratories, Incorporate~ for Class 11 C 11
Roof Coverings. (See Section 4305 (b). S.D.
Oil Burning Equipment
Regulations for the Installation of Oil Burning Equipment Recommended by the
National Fire Protection Association~ edition of 1957. (See Section 3713). s. D.
X-Ray Films
Regulations for Nitrocellulose Motion Picture Film recommended by the
National Fire Protection Association, edition of July 1939. (See Section 4802). S.
D.
Refrigeration
Safety Code for Mechanical Refrigeration, published by the American Society
of Refrigerating Engineers. Approved by the American Standards Association.
(See Section 4901). S. D.
49: THAT the Building Code BE and the same is hereby amended by changing
the American Society for Testing Mat~rials. (A. s. T • M.) publication designations
from the number appearing in the left-hand column below to the number appearing
in the right-hand column below, wherever these designations appear in the
Building Code.
CHANGE FROM CHANGE TO
C62.-36T .................................... C62-50
C73-30 -----------------C73-5l
C55-34 ................................... C55-52
C34-36 -----------------C34-52
C56-36 .................................. C56-52
C52-33 -----------------CSZ-41
C22-25 ................................... C2.2.-50
C5-34T .................................. C5-26
C6-34T ..................................... C6-49
09 .. 307 ___ ,.. ______ .. ______ C150-52
C33-36T -----------------C33-52T
Al5-35 -------------... --... Al5-52T
Al6-35 --.:.--------------Al6-52T
C31 .. 33 -7---------------C31-49
C39-38 -----------------C39-49
C94-35 -----------------C94-48
C31-33 -----------------C31-49
C39-33 -------.----------C39-49
Al5-35 -----------------A15-52T
A27-36T -----------------A27-52T
A48-36 ,.._---------~ -----A48-48
Cl9-33 -----------------.£119-50
C40-33 ----------------... C40-48
C61-30 -----------------C61-50
C9-30 ... --------------...... Cl50-5Z.
•.
50: THAT the Building Code BE and the same is hereby amended so that the
terms 11Building Commissioner11 and/or "Building Official11 where they appear in
the Building Code be amended in all cases to read "Building Inspector. u
51: THAT the term ucity Counci!l1 where it appears ; in the Building Code BE
and the same is hereby in all cases amended to read "City Commission. tt
'
52: THAT the Section 2505 of the Building Code BE and the same is hereby
amended by the deletion therefrom of all tables and charts showing allowable
Unit Stresses for Stress for various types and grades of lumber,. ard the sub ..
stitution t.. ttitlD!for ~ tlufifollawitrg-la bles:
'
53. THAT Section 3403 of the Building Code BE and the same is hereby
amended by the addition thereto at the end thereof of the following tables
regulating maximum allowable spans for ceiling joists and roof rafters: