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<br /> 311.2.3.5
<br /> Division PI,;4b on 3;Oompancies,;shall ditclude,repair 3.The height and the number of the-tiers above:the basement.
<br /> garages when br-k.'is limited to exchange of parts and mainte- shall be limited as specified in Table 3-H orSection 311.9:5
<br /> nance regttiring no:open flame or welding,:motor vehicle fuel- 4.The floor-ceiling assembly separating the Group S,bivision
<br /> dispensing stations,and Parking garages not classed as Group S, 3 and Group S, Division 4 Occupancy,-shell be.protected as
<br /> Division 4 c en�parkmg garages of Group U.pnvate garages.. required for the floor-ceiling assemb1yyof the S 3
<br /> t3 r{y. _ .
<br /> For the use of flatmable and.combustible liqurds;�see Section Occupancy. Openings between the Gi+ gDiv sioDn 313 d
<br /> 307 andthe Group S,Division 4 Occupancy,excxptYeartN�peninm need'not
<br /> Divistp '} es�pec Secftoa 3119 be protected i uet+.
<br /> tM. 0-�g�8 ,
<br /> Y, 5.IleGrou
<br /> Division'S hangars where work is limited to"efchauge the parking or P ��n� vate _
<br /> Di �, ely jor
<br /> ofparts'and `ceiegiurirrgsnid' flaie btaireldinglslnd but may contain, r mtanical. den g .
<br /> helistops• AW'k . Pe C� � x
<br /> N:=,iiCr; •'t ►s ch�r�n;:•�� ..{ -� > .:;,; operation of the`bufi and- u 8n ce $-. ,War an t0 et
<br /> s •.:' =r' - rooms havmg',aitotal area of not more`xha 1000•square$feet
<br /> For occupancy separations;see Table 3 B (93 m2).
<br /> 311.2 Construction,Height and Allowable Area. 311.23 SpedSc use provisions.
<br /> � ) 311.21 Gini aL"Buildings or parts`of buildmgs'classed in 311.23.1 Group S,Divisions 3 and 5 Oce upandes. In areas
<br /> Group S Occupancy because of the use or character of the occas- where motor vehicles,boats or aircraft arq'stor4-"aad'in motor
<br /> panty shall be liutited to the types of construction set forth in vehicle fuel-dispensing stations and repairgarages,floor surfaces
<br /> Table 5-B and shall not exceed,in area or height,the.limits speci- shall be of noncombustible,nonab ` t-qds.Floors shall
<br /> fied in Sections 504,505 and 506. drain to an approved oil separator'or trap discharging to sewers in
<br /> accordance with the Plumbing Code
<br /> 311.2.2 Special provisions. EXCEPTION: Floors may be surfaced or waterproofed with
<br /> 311.2.2.1 Group S, Division 3 with Group A--*Division 3; asphaltic paying materials in areas where motor vehicles or airplanes
<br /> Group,#tie�r� ip Vl or X Division 1,OcqapanLcysa , iv.t,Other are stored operated _
<br /> provisions.of;t'los oode.notwithstaading;abasement or, ust story 311.23.2•Marine or�motor veWde Lind-.ispensing sta-
<br /> of a building ii�iy,be considered as a separate aad distincE building tions. Marine oi`'inotor vehicle fuel dispensing stations;includ-
<br /> for the purpose ofarea limitations,limitation of number of stories ing canopies and supports over fuel dispensers, shall be of
<br /> and type of construction,when all of the following conditions are noncombustible,:fire-retardant-treated wood or of one-hour fire-
<br /> met: resistive construction.
<br /> 1.The basement or first story is of Type I construction and is EXCEPTIONS: 1. Roofs of one-story fuel dispensing stations
<br /> separated from the building above with a three-hour occupancy may be of heavy-timber construction:.
<br /> P g P cY 2`Canopies conforming to Section 2603.13 may erected over
<br /> separation•S&Section 302.3. P
<br /> 2. The burldwabove the three-hour-occ upancy separation Canopies under which fuels are dispensed shall have a clear,
<br /> contains only.Group A,Division 3;Group B;or Group M or R, unobstructed heightofnot less than.13 feet 6 inches(4114 mm)to
<br /> Division 1 Occupancies, the lowest projecting element in the vehicle drive-through area
<br /> 3.The building below.the three-hour occupancy separation is a A.one-hour.;po upancy,separatton- eCd not, be,provided
<br /> Group S,Division 3 Occupancy used exclusively for the parking between fuel drspeasers.covered with a.canopy;that rs,open on
<br /> and storage.of private.or-pleasure-'type.motor vehicles,,; �or more sides,and a Group M Oocupancy.retail store.haying
<br /> an area of less than 2,500 square feet(232 m�)when the following
<br /> EXCEPTIONS:1.Entry lobbies,mechanical rooms and similar conditions exist:
<br /> uses incid=W to the operation of the bggd;ng : 1.The Group M'Occupancy is provided with two exitkor exit-
<br /> 2 hmoue ,Division 3 and it occupancies
<br /> B odes,drinking and dining uses
<br /> access doorways separated as'required by'Section 1004.2.4 and
<br /> tablishmeatspad_Group Mretail ooarpancres in addition to those rases
<br /> incrdeatal toof thepmlding(mdading storage areas not located in the same exterior wall
<br /> We.teaon
<br /> provided that the entire structure below the three-hour ocapa nCy sep- 2.Fuel-dispenser islands are not located'within 20 feet{6096 '
<br /> } •�
<br /> aratron>s protected tlrroriglroat by an automatic sprmtla_system. mm)of the Gronp'M Occupancy retat7 store
<br /> 4.'The maximum building height I.in feet shall not exceed the
<br /> limits'set forth in'Table 5-B for the least type of construction 311.233 Parking garage'headroom.'Parking garages'shall
<br /> involved have an unobstructed headroom clearance of not less than 7 feet
<br /> (2134 mm)above the.finish'floor to'any cetTing,beam,.pipe or
<br /> 3113.2.2 Groap S,Division 3 Oempancy with Gmnp S,Divi- similar obstruction,except for wall-mounted-shelves,storage sur-
<br /> don 4 Occupancy above. Other provisions of this code notwith- faces,racks or cabinets. .
<br /> standing, a Group S, Division 3 Occupancy, located in the 311.23A Group S, Division 2 Occupancy roof framing. In
<br /> basement or first story below a Group S,Division 4 Occupancy,as Division 2 ci the roof- s stem'ma be of
<br /> defined in Section 311.9,may be classified as a separate and dis- •n. Y Y-
<br /> Y �P unprotected construction.
<br /> tinct building for the purpose of determining the type of construc-
<br /> tion when all,of the following conditions are met: 311.235 Vehicle barriers. In parking garages where any park-
<br /> 1.The allowable area of the structure shall be such that the sum mg area is located more than 5 feet(1524 mm)above the adjacent
<br /> of the ratios of the actual area divided by the allowable area for grade,vehicle barriers shall be provided
<br /> each separate ' shall not exceed one. EXCEPTION:.Parking garages of Group.U,Division 1 Oboupan-
<br /> cies.
<br /> 2. The Group S,-Division 3 Occupancy is'of Type I or U Vehicle barriers shall,have a minimum vertical dimension of
<br /> construction and is at least equal to the fire resistance of the Group 12 inches(305 mm)and shall be centered at 18 inches(457 mm)
<br /> S,Division 4 Occupancy. above the parking.surface.See Table 16-B for load criterion.
<br /> 1-29
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