HomeMy WebLinkAboutOrdinance 577 (2) ORDINANCE NUMBvR 1,
AN ORDINANCE TO BE ENTITLED " AN ORDINANCE PROVIDING FOR THE CON-
STRUCTION AND EQUIPMENT. OF BUILDINGS IN THE CITY OF FAYETTEVI LLE., -
ARKANSAS * "
BE IT rORDArNED BY -THE CITY COUNCIL OF THE . CITY `OF FAYETTEVILLE ,- ARKANSAS :
SECTION. 1 :: FIRE LIMITS . The fire limits as applying to this ord
.finance shall be as heretofore have been, or hereafter may be , established
by the City Council .
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SECTION 2 . PERMIT REHIRED . NO wall , structure , building or part
thereof, shall hereafter rbe • built # 'enlarged , or ' altered , until- a plan or
clear description of the proposed work , together with a statement of the
materials to be used , ,shall have been.. submitted zto the Building Inspector-i
who shall , if in accordance with the provisions herein contained, issue a
permit for the .proposed construction .
Provided that no permit will be required for wall repairs that do
r not alter or interfere with the electric wiring, the heating system, the
flues or chimneys , or any other change of the building that does not •effect
the fire risk , but for repairs on Flues , Heating Appliances , Electric 'firing,
and Roofing , a: permit will be Irequired , and (the, -charge fo same , including
the - necessary inspection ,- shall be One Dollar j( 1 . 00) .
Stractdres -hereinafter erected without permit , or not in conformity
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with this ordinance , , shall be removed . - .4 , r ' %
No building shall be moved until a permit has been obtained from t�b
1 , Building Inspeo *or ; + and such official shall not issue sAh permit if� -iri his
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i judgment the proposed new location• of the° building would seriously increase
Fthe. fire hazard of the surrounding buildings . ,
d
SIDFi7ALK -COV" RINGS . All buildings -over two storie's in height, whethe
1 new or being remodeled or repaired, which front on the public square of
Fayetteville , must have a covering over the sidewalk and extending two feet
beyond curb into streets of sufficient strength to afford ample protection
to workers and padestriana" The gutter shall have a tight box 'covering two
feet wide ,; the same height as . the curb , to act as guard against sand and
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t other building material choking up said gutter .
SECTION 3 . INCObBUSTIBLE .7ALLS9 CORNICES AND ROOFS REQUIRED '7ITHIN
FIRE .LIMITS . Every building hereafter erected or enlarged within the fire
MICROFIL04 . 1978
DATE
REEL.V42�_ , -
;x .
( Page . Two )
limits shall be enclosed on all side with walls • conatructed wholly of
stoned brick; Thollow building • tiley concretep ,or other equivalent in-
combustitrle materials ; and shall have the roof, top, and sidesr of all
roof ' structures ,. including , dormer ,windows , covered - with incombustible
material : AU cornices sYiall • be of Incombustible material . .
SECTION 4 . PERMISSIBLE WOODEN STRUCTURES WITHIN VIRE LIMITS .
No ; frame . or wooden structure shall hereafter be built within the fire
limits as given herein , • or : as they . may be hereafter established . except
.the following; and all , roofs placed upon such buildings or . structures
shall have an incombustible covering$ .
(a ) TBmporary one -story , frame buildings for use of builders .
(0) One -story sheds not -over 15 feet high,^• open . on the long • side
withsSdes covered with incombustible material , • and with • an .area not ex-
ceeding 500 square feet . A . wooden fence shall • not be .used to . form the
back or side of such sheds *
( c ) '0Woodbn' fences not , over 10 feet high.
(d ) Piazzas. or balconies not ,exceeding 10 feet in width nor exm
tendin9g more than 3 feet above, tye second story floor beams* No such
structure shal-1, •extend beyond the lot line,, or be. joined to any similar
structure of another building . .
(e ), pay windows when covered with incombustible material .
( f ) Small out�uses not exceeding 150 square feet in area and
8 feet in. height .
Wooden ,fheds ,or outhouses, shall not be located within 5 feet, of
any .lot line ,,' nor leas than 30 feet. from any other building over one
sitry high .
( g)• Grain elevatorsy, coal pockets ,_ or ice houses , as usually
constructed . ;
> No:` frame building shall be moved from without to within the
fire '-limits .
SECTION 5 . REPAIRING FRAME BUILDINGS WITHIN FIRE LIMITS .
Any existing frame building within the fire limits , which may hereafter
be damaged by fire , decay or otherwise to an amount greater than one-
ha if or its present value , exclusive of the foundation , shall not be rem
paired or rebuilt, but shall be removed .
SECTION 6 . LIMIT§ OF HEIGHT AND AREA . Except as specified
e ..
, (Page Three ) _
iT Section 25 , no building hereafter erected within the corporate limilks ,
,J having walls of hollow building tile or concrete blocks , shall exceed
three stories , or 40 feet in height ; and no building hereafter erected
or altered shall exceed four stories or 55 feet in height , unlesstit be
of fire proof construction , when it shall not exceed ten stories or 125
feet .
The floor area between fire walls of non-fireproof buildins. shall
not exceed the . following : When faonting on one street , 5000 square feet ;
When fronting on two streets, 60000 . square feet ; when .fronting on three
streets 7 , 500 square feet . These area limits may be increased under the
following conditions as indicateds -
Por nonrfireproof buildings , fully equipped with .,approved automatic
sprinklera , 66 2MO
Per fireproof buildings , not exceeding 125 feet in height.0 ' 50%.
For Fireproof buildings , not exceeding 125 feet in height , fully
equipped with automatic sprinklers - 100% .
SECTION 7 . WALLS. All exterior,. or division walls of buildings .
hereafter erected shall be of sufficient thickness to support safely
the load to be carried .
Walls , excepting party and fire wally , for all buildings of other
than the dwe111nc'bnuse ftlass , not exceeding five stories , or 65 feet
In height , shall have the upper two stoxke�s not .less than 12 inched tlAck ,
or fraction thereof relorr . For such ui ings in @� c � s of five s ories
Increasing four inches in thickness Por each two stories . /but not ex-
ceeding ten .stories or 125 feet in height ,- the top story shall not be
less than 12 inches thick , increasing 4 inches in thickness for* each
two stories or fraction thereof below . N6 two story increment shall . . _
exceed ,30 feet in height .
Solid masonry exterior walls of dwellings not exceeding 25 feet
in height , exclusive of gable ,: and occupied by not more than two families ,
may be: not less than 8 inches thick, and shall include cellar and base
went .walls if built the same thickness . The unsppported length of such
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walls shall not exceed 25 feet*
Solid concrete walls of dwellings shall not be less than 6 inch*
thicks and hollow monolithic. walls shall have an aggregate ,thickness not
less than 6 inches . If masonry walls are built hollow,: or are con-
.( Page Four)
atructed of hollow clay or concrete unite,, the allowable height� •of the
inch portion shall be limited to 20 feet and the remaining lower pore
tion shall be at least 10 inbhes thick.
Por dwellings over 30 fdet high , but not exceeding 40 foet in' height
the exterior walls may be 8 inches thick for the upper most 12 Peet and
shall .be at least 12 inches thick for -the remaining lower portion .
'Solid party and division wal la 'of dwellings ahall - be not less than
8 inches thick for the uppermost 12 feet and shall be at' least* 12 inches
for the remaining lower portion . Such party and division walls; if hol
low, or if built of hollow clay or concrete units , shall be not less than
12 inches thick.
All walls of buildings of the dwelling house class of ordinary
• construction exceeding 40 feet in height shall be solid . The upper
three stories shall be not less than 12 inches thick,: increasing 4 inches
in thickness for each three stories or fraction thereof below# No
three.-story increment shall exceed 45 feet in height .
Walls in skeleton construction shall be supported by girders at
each sotry, and shall be not less than 12 inches thick , except that
solid concrete may be 8 inches thick .
In all buildings, except dwellings , frame buildings and skelew
ton- con etr etion ; party walla andfi*.e walls which serve as. beari'ng walls
on both sidesp shall be not leas than 16 inches ' thick in the upper two
stories or upper 30 feet , . increasing 4 inches in thickne'sa for each two
stories or fraction thereof below.. All other fire wails shall be not
leas than 16 inches thick in the upper four stories . or upper 50 feet ,
increasing 4 inches in thickness for each two stories or fraction there -
of below: No two-story increment shall exceed 30 feet in height .
Reinforced concrete halls with the steel reinforcement run-
ning both horizontally and vertically and weighing not less than oae
half pound per square foot of walla may have a thickness 4 inches less
than that prescribed for brick walls. -
' Rubble stone walla shall be 4 inches thicker than required for
brick ' walls .
The foundation walls of all buildings over two storiea In height#,
except as above provided, shall be four inches thicker from- footing to
( Page Five?
grade than required for the remainder ofthe wall .
All exterior, and division or party walls over . one . story high,
shall extend the full thickness Of top story to at least 2 Peet above
the roof. surfacing of a building' as a parapet and be prepprly coped, ex-
cepting walls which face on a street and are finished with incombustible
cornices , gutters or crown mo�ildings ;' excepting also the wall& of de-
tached ' dwellings with peaked or hipped roofs . The parapet walls of ware -
houses and all ' manufaeturing buildings shall extend three Peet above
the $oof .
Pire wall's 'shall be continuous from foundation to 2 feet or 3
Peet abode roof level as before specified and shall be coped..
Brick or concrete walls of buildings outside the ' fire limits ,
% which 'under � this ordinance could be of wood , may have a minimum thickness
of 8 inches . ' ' Such walls shall not exceed two stories or •25 feet in
height , exclusive of gable nor shall they exceed 35 feet in length un-
less properly braced * cross walls , piers or butresses . All buildings
outside Vie ' fire _limita to be used for business or storage purposes
shall have bricki stone , or cement' walle aiznd incombustible roofs , and
shall comply with the ' requirements inside the firelimits". ' " "
Provided that , permit may be issued for the erection of build-
Inge. with 8 ' inch briekvwalls ' or Winch hollow tile ,- where the area is
small , and the height not more than one story, if in the judgment of the
Building Inspector such thickness will provide satisfactory fire re -
sistiveneas for the occupancy involved .
Clag brick used for exterior walls , chimneys or piers , shall
have an average compressive 'strength of 20000 pounds per square inch
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and an absorption not exceeding 20% per cent . Concrete; sand , lime or
other *varieties, of brick, used Por the'• same purposeAhall have an average
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rushing strength of 1 , 500 pounds per square inch, and an absorption
not exceeding 15 per cent .
Portland Cement only shall be used in the manufacture of cor
crate blocks . The coarse aggregate shall be of suitable material graded
In" sive . Concrete blocks shall not be used in construction until they
have attained the age of 36 days , or developed the strength required in ' .
this section *
(Page six) ,
The aompressibe strength of building blocks shall ' in all cases
be calculated upon the gross area of the bedding Vacew, no account being
taken - of the cellular spaces • .
Hollow building tile used for exterior or party walls or piers
aid designed to be - laid normally with the cells vertical ,.- shall have an
- average compressive strength of not less than 1 #200 pounds per square
• in6h .w6n tested with the cells vertical , and not less than 300 pounds
-per square incli*- hen tested with the cells horizontals '
The average compressive strength of , hollow building tile de-
signed - to be laid normally . with the cells horizontal , and tested with
the - cells - in - that position ,- shall not -be less than 700 pounds per square
Inch . ,
' Hollow concrete block or , tile used for exterior or party walls
or piers • shall have - an average compressive strength of not less thin -
700 pounds per square inch.
Concrete blocks shall be not less than 36 days old when tested . .
The -average . strength of the blocks as here given shall be obtained by
testing five blocks of average quality.
The allowable working stress on all masonry construction shall
not exceed one tenth of the required average test strength .
All walls and partitions in schools ,: ' hospitals and places of
public assemblage , over one story highs. and all walls and pa rtitions ,
in thretres , shall be hereafter built of bricks stone ,—concretes hollow
or solid ' blocksy or metal . latheand Portland Cement plaster on metal
studding# or other equivalent incombustible construction , outside as
well as inside Ehe fire limits .
' The mortar .used for all 8 inch walls$ firewalls , - foundation
walls.- walls of . skeleton constructions. and all walls built - of hollow
building -tile or concrete blocka ;i shall be either Portland . Cement mortar ;
. or cement lime mortar, the latter in proportions not leaner -than 1 part
Cement , 1 part lime ,, and 6 .parts sand bv' volumes
SECTION 6v CONCRETE CONSTRUCTION* Concrete for reinforced
concrete construct&n shall ennsi'st of a medium wet mixture of one part
Portland Cement to not more than 6 parts of aggregated 'fine and coarse,,,
.in such proportions as to produce the greatest density.
( Page . Seven) ' :
•" The quality of the materials , the designs and the - cgnstruction ,
shall be in accordance with the best engineering practice .
SECTION 94 PROTECTION OF ENDS OF 71OODEN BEAMS . The ends
` of all floor , ceiling or roof beams ,: entering ' a party or fire wall from
opposite sides, shall be separated by at least 6 inches of solid masonryp
Such separation may be obtained by corbeling the wall ; ,or staggering
the. beams , or ' the beams maybe .supported by steel wall hangers , but no
mall, shall .be corbeled more ' than ,2 inches forkthis purpose . The ends
of all wooden beams which enter walls .sholl be out to a - bevel to make
them ceif-rel'eaaing.
'SECTION 109 . PROTECTION OPMALL OPENINGS . N6 openings in an
interior aasonry : wall , Wll exceedt8 feet by 10 feet . If the opening
be An a party or fire wall ' it .shall have apstandard automatic • fire door
# on ` each side of the : wall . If � an : opening in afire wall is made to serve . :
as an emergency exit ,- ' it shall not exceed 48 square feet in area ,, and a
self closing swinging fire door shall .be substituted for one of the
automatic fire doors . The ' total opeilings in a fire wall shall not exceed
25% In linear length of the wall ..
Every building within the fire limits ,- except churches-, dwellai
inge , 'tenement houses , dormitories , and lodging houses , shall have Stand—
ard fire foors , ahutters, . or wired glasa . in incombuatible • Yramea - and
adsh• on ' every exterior opening above. • the first story, . except when front—
ing on a street not less than 50 feet wide , or where no other building
Is within 35 feet of such . opening. . All openings in the side - arid rear
walls of the " first • storyj except show windows , shall be protected as
- prescribed in this section w1ken within 50 feet of another building .
' All exterior windows more than 754feet above the curb shall
have Incombustible frames ` and . sash glazed with, .wired glass .
4 , Occupants of buildings shall close all • exterior and interior .
fire doorsv � shuttere , and windows at the close of businees - eaft , day..
SECTION ll .. STAIRWAY AND ELEVATOR • SHAFTS . . In all buildings
hereafter ereoted, except private dwellings,; which are used above the
first flooir for business purposes or for public assemblage , or for any
' parpose _ whatever .,if over three stories high,, the stair • ahafts shall be
separately and continuously enclosed by incombustible partitions .. Open
', . • '}
( Page Eightf
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'stairs may be permitted from the first to the second floor only, for
ornamental effect . Elevator shafts in all buildings hereafter erected
shall be enclosed , in the samo manner. The partitions shall be con-
structed -of brick or other firo-resistive material approved by the Build—
Ing Inspeetor , ' No such- partition shall be less than 4, inches thick.
Except as herein stated,. the stair, elevator and hoistway shafts
Wall existing buildings over two . stories high, in which considerable
numbers of people m rk .or are liable to assembly, shall be separately
enclosed ' by . inc,ombustible , partitions as above . specified ; or the shafts
may,, be enclosed by approved hollow or solid partition blocks . not leas
than . 3 inches thick# ' or .by 4 inch wood stud partitions ,- covered on earn
side with not less than . 3/4 inch of Portland Cement or gypsum plaster
on metal , lath; • or by 2 inch, solid metal . lath and Portland Cement plasms
ter partitionse The motel frame work ofsuch partitions shall be se -
cutely fastened to both floor4nd ceiling. Metal lath used 'for such
partitions shall be of galvanised steel weighing not less than ,54 ounces
per square yard , Wire lath shall not be less than No. 20 gauge , and
sheeet metal. lath . not less than NOOL 24 gauge . All such partitions
erected in existing buildings shall be fire , atopped with incombustible. ,
material the full depth of the floor beams at eac h , floor level .
All door , openings in stair and elevator enclosures shall be
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protected by fire doors mounted with wrought iron or s6eel hardware ,
and . shall be securely attached to the wall or partition,r , or to substanm
tial incombustible frames enehored thereto. If glass panels be ,used
in such doors , they shall be of wired glass not exceeding 720 square
Inches in area . Interior , shaft windows shall not be permitted .;
Doors • opening . into staisarafteihall awing in the di -
rection of , exit travel ,. shallibe selfrclosing, and shall be at least , .
30 inches wide , and all stairs having 7 or more risers shall have- rigid
handrails on the , right hand side coming down; if over 5 , feet , wide . hand-
rails shall be on both sides .
The enclosure walls for all elevator shafts shall extend at
least 3 feet above, the Zbpof,L and at least three-fourths . of the area .
shall be covered with a skyliggb construoted I so : specified , in Section 12 .
If in the opinion of the Building Inspector it is necessary
to preserve an open elevator or hoistway in existing buildings, the
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floor •operdnga through which they pass shall be equipped with automatic=
ally olosing trap doors not less than 1-1/2 (inphes %thick made of two
. thicknesses of matched boards covered on tho der. J' side_ with tinj the
trap doors when closed#. shall extend beyond �bhe penings on all sides .
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such trap doors ahgll be protected by a subt an ialIl, guard or gate , adhinh
h ,
shall be kept closed at all times except whex�y? i` ' actual use•: .
_SECTION 12 . SKYLIGHTS OVER STAIRWAY AND . LEVATOR SHAFTS :, - Where
a ataitrwayp. elevator or dumb-waiter shaft , exte 9 trrough the roof
and is covered by a skylightp the skylight shall a constructed with
inoombustibleyframe and alsho glazed with wire Blas . Instead of a sky
light a window may be placed in the side of. the s�� b above the roof
which is ' fartnest removed from a property linen "lfhe\window shall have
incombustible , frame and saah,' and , may . be glazed ti
3th Ethin glass ,
SECTION- -13 . FLOOR LIGHTS . Except in dweili gs , )all openings here-
after made in floors for the transmission of light to ' fl ora below shall
be covered with glass set in metal frames and bar The ' lass shall be
n4t .less than 3/4 inch in thickness , and if any gass mea res more
than 16 souare inches there shall be a rigid wire mesh eit2 �r in the
glass or under it ,
SECTION ' 14 . LIGHTS V8'NT AND DUMB41AITER; SHAFTS * In
building hereafter erected or altereds except me buildings . ', 1 �walls
or partitions forming interior light or Went sh, fts shall bebui in
accordance with the requirements, for stair and a evator shaftoe,a
buildings as specified in Section llo� The wall of dumbwaiter, .,e2iafta ,
except those .in d wellings which extend only one Istory above. . the ,. basement
or cellar , shall be of fire resistive construction . and, shall be not less
than 3 inches thick if constructed of brick, •hlovi or solid partition
blocks or of steel or wood studding and metal I ' th with 3/4 inch Poai
on e ch s ' de • o a �2inch solid metal lath d P rtl nd Ce e Plaster
land oCemen� piesrter^wall may be permitted., sVoure� y one, i d at
each floor and ceiling . . The . material and method. of construction shall
be as specified in Section 11 farstair- and elevator shafts. in existing
S.
buildings .
Nhere a dumb-waiter "shaft does not extend through the roofv the
top of the shaft shall be of fireVresistive construction ofthe same
( Page - Ten) "
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thickness as the _walls • of the shaft .
A11 openings in dumb waiter shafts shall be protected. by fire . doors
I.
mounted in incombustible frames securely - anchored to the wal2so
The walls of all light and vent shafts hereafter erected. shall ex-
tend- not less than 3 feet above the' roof level, except that when a shaft
' is vowered by an inoombustible ventilating skylight the walls need not
extend more than 9 feet above the • roof. Masonry walls shall be properly
coped .
When metal louvres are used for ventilating purposes , ; tYie louvres
or 'slate shall bq riveted to the matal frames
SECTION 15 .; ROOF GOVERINO . All buildings within the fire limits
f skull be' covered ;with such incombustible material as brick, ' concrete ,
\ ! the or slate ; or- with tins corrugated or galvanized iron with standing
seamA or with 4 ply built up roofing or felt ; with pitch and gravel or
slate ,\ \"face ; 4or 4-ply built up roofing of felt and asphalts or with
built 0 asbestos roofing ; or with other incombustible roofing approved
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by the I6 tional . Board of' rire Underwriters with grade not less than
.
It
I X I
The\ use %; of wood shingles or other forms of combustible roof cover-
ings erecta` orjaltered within the fire limits is prohibited .
Thew oden planking • or 'sheathing of roofs shall not- in any case
i.
be extended cross side or' party wallso
tI! 4
The top " 'nd sides of dormer windows shall be protected the , same
as herein prose 4bed' for the roofs
1 I .
The practi q of laying fire assistive �0ot coverings over wooden
shingles will no# abe, approved or permit issued until rafter the old roof
has been inspocte'd by the Building Inspector and found to be in suitable
condition for . no materials `
i t .
All fleshing shall be of metal or other material approved by the .
ABuilding InapdotorIe
Buildings outside the fire limits may be covered with any fire
resisting composition shingles or ready roofing of a grade which will
rank not lower than Class C under the test specifications of the National
Board of Fire Underwlttera. approved built up roofing , or vertical edge
grain wood shingle , the thiclmess of five shingles measured at the butts
being not less than 2 inches . The maximum exposeure
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( Page .Eleven)
of wood shingles tQ the weather shall be :
On roofs of 1/3 pitch or more . . . . . . 16 inch shingles 4-1/2 inches
18 inch shinglls 5 inches
96 inch shingles 7 inches
On roofs of less tl}an 1/3 pitch* * * * 16 inch shingles 4 - inches
18 inch shingles 4-1/2 inches
24 inch shingles 6-1/2 inches
1 Shingles to bel laid with broken joints or side lap not less than one
and one haQf ( 1-1/0 ) inches with no breaks directly 'over each on any
three consecutive Courses . All nails to be oovered, First course at
eaves to bel\laid two"plyg projecting 2 inches over crown mold with oxo
I` inch projection atigables . Shingles to be; rnailed with 3-1/2 or 4 penny
nails with two nails to each shingle 3/4 inch from the sides .
Shingles o be thoroughly wet before laying. If .stained,, shingles
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must be dry bef,' re.,�dippingi and dipped to at least 8 inches from the
butt .
SECTION 16�e C SSIFICATION , OF BUILDINGS BY CONSTRUCTION. - For the
purpose of this codel buildings shall be classified according to the
€#re -praeg-wast Atan-method of construction + into the following types:
o Fire Proof C,ongtruction •.
Fire 8eaistive 'Construction .
Mill ConstructiiPn . r
Ordinary Constl,'gtion .
r I
Frame Construction .
\ t, rt?hen a bu3ldi g !is constructed partially of one type of Con-
1 struction and partially of anotheri the glassificatUnnof the building
shall be that of the lowest type * In this determination Fire Proof
Con'atruotion shall be the highest ranging to Frame Constructiono the
lower"t •
+ . SECTION 17 . FIC, PROOF CONSTRUCTION • Complete pians and species
fications for all reinforced concrete buildings and skeleton construction
shall be� filed with the autlding Inspector and shall be aceompanied. by
stress computations and d® scriptions showing the general arrangement . of
the entireiconstruotion irk all important detailsq including the size �
length and''�points of bend �g of all reinforeements. the qualities #' _ ALo-
portions and methods of mixing the materials used in the concrete , and
the dead and live loads ea� h floor is designed to carry .
1 .
G
Twelve ) `1
(of All . sueh {plans and specifications shall be signed by the
Architect , Engineer -', Contractor orpppn0nn applying for the permit .
1
In no case shall theii construction deviate from the approved plans and
specifications except by written consent of the •Building Inspector.
(b ) Inspectignee Every reinforced concrete or skeleton construetio
building shall be erected under the constant supervision . of. a reputable
and competent inspectors furnished by the ocmer ' . architect or engineer
and acceptable to the Building Inspector.
SECTION Elm ENO . FIRE RESISTIVE CONSTRUCTION. Piro resistive
construction includes buildings in which structural partai including
lintels , are constructed of hard incombustible - material such as stone ,
brick, fire—$roofed steel or iron, terra cotta or monolithic concrete .-
All other materials used in the construction and completion of such build=
ings, inclLding the `roof covering shall be of incombustible materials .
}
SECT70N 19. ESILX, OR SLOW? BURNING CONSTRUCTION shall haire masonry
walls and heavy timber interior construction so arranged as to avoid
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aoncealed spaces and' ,tolexpose, the least number of corners or projections
of combustible material tofPive . When metallic stnuotural members are
used they shall --be fire proofed as required for fire resistive con-
struction .
SECTION 20 . ORDINARY CONSTRUCTION. A building having masonry
walls , with floors and '.partitions of wooden joist and stud construction ,
The partitions carrying floor or roof joists , shall be of fire resistive
construction , and if not of brick or cement ,- shall be constructed with
iron or steel columns and I Beams , The spaces between columns may be
of wooden studs cotrered with 3/4 inch of Portland Cement or $4psum
plasteron metal lath andl the I Beams must also be protected with 3/4-
Inch plaster on metal lath . Wire lath must be not leas than No . 9D
gauges sheet metal lath not less than No . 24 gauge . Such partitions
must be firb; stopped the frill depth of the joists at each floor _ 'level .
SECTION 21 . FRAME CONSTRUCTION. Includes all buildings whose
struotural .parts and enclosing walls consist of wood, also all buibdings
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hating enclosing walls of noodfveneared, encased or faced with stone
brick, tile , concrete , plaster or metal ,. whose stability or rigidity dem
