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82.' <br />� 831 <br />24.� <br />85. <br />86. <br />87. <br />83. <br />l <br />\ <br />A floar or landing not marc than 1 inch 6clow <br />thc thresliold is required on cach side of an <br />exit door. Section 3303 (h). <br />Doors should no[ project more lhan 7 inches im <br />lo the requiicd corridor wiJth wfien tully <br />opened or morc than one�half inlo ihe requimd <br />eorridor widlh whcn in any position. Sedion <br />3304 (cry . .......................................................... <br />Revolvine (sliAin�) (ovenc�atl) Aoors arc not prr� <br />,mitted as ezit doors. Section 3303 (q. <br />Exit doors should provide immediate acc^ss to <br />an approved mcans of egress. Set[ion 3303 <br />(g). [zilinP through anothcr room does not <br />comply. <br />Corridors sl�ould have a minimum widlh of 44 <br />inches. Section 3304 (b). <br />�CorriAors serving nonambulalory persons should <br />have an 8�foot minimum widlh. Seclion 3318 <br />. (c)• <br />Dead end ol corridors and ezit balconies are <br />limited to 20 feet. Seclion 3304 (f). <br />�Walls and ccilings of corridors shovid be of onr <br />hour fire�resis;ive construction. Section 3304 <br />(g). An architectural section throu6h the torri• <br />dor is necessary to determine how this is <br />9D.� i Exlerior exit balconies cannot project into an <br />area where protected openin�s arc required <br />due to location on property. Section 3304 (i). <br />91. IInterior openings inlo corridors sliould be pro� <br />lected as spccificd in Section 3304 (h). <br />92. Stairway .......................................... shauid havc <br />a minimum v;idth of ................... irches. Trim <br />and hanAreils should nM project more thaa <br />� 3�/T inches into ihe mquired �vidlh. Seciion <br />�3305 (b). <br />93. <br />94: <br />95. <br />9u: <br />97. <br />Riscrs on stairways should noE ezceed 7�/r <br />inthes and runs shovld not bc Icss Wan 10 <br />,inches. Seclion 3305 (c). <br />Landings on slainvays slioutd liavc a dimension <br />in lhe direclion of travel equal tc the width of <br />lhe slairway but need not cacced 4 teet Sec <br />. tion 3305 (f). <br />Landings should not be reduced in widUi more <br />than 3�/� inches by a door when fully open. <br />�Seclion 3305 (Q. <br />Dasemcnt pnrtion of slairways should have an <br />approvecl barrier where continuous lo upper <br />Iloors in an ezit endosurc. Section 3305 (g). <br />\'ertical distances bclwcen slaiiwny landin�s are <br />limited to 12 1cel. Section 3305 (h). <br />.. ."� 9&, i Handrails shoulcl be placeA not Iess lhan 30 <br />inthes nor morc than 3A inches above thc <br />trcad. Scclion 3305 (i). Two handrails orr, re• <br />quired wlmre stainvays exceed 44 inchr.s in <br />-� � wid�h. - - •� � - <br />99.��iGuardraik for slairs, baiconics, and landin�s <br />shoWd conlorm wiih Section 171-0. IJote lhat <br />maximmn clearancc bclwcen intennediatc rails <br />is 9 inches. <br />00.`�� Openinps in ezlcrior watls iin 10 leet ol <br />Ieztcrior sWinvops should ; piolectcd with <br />self�cloxin�; lhrcrlowlhs�hou re�icsistivc as• <br />semblics. Seclian 3305 Qc). <br />01.��EncloseA u;;ibie spice under interior slairviays <br />should be Prolecled on the tnclosed side as <br />tequiicd lur one�hnur fi« �retiislrve conslrue <br />lion. Scctirni 3305 (I). <br />02.��Nonconibuslible exterior stairs are required. <br />I Scclion 3305 (m). <br />\ <br />,` <br />i <br />� <br />`�) <br />�� 303. <br />n� <br />104.� <br />305: <br />106.' <br />Exlcrior sWirs should nol project into an arca <br />(yards or courts) where wall openmgs m�sl be <br />prolecled. Section 3305 Qn). <br />Onc stainvny shoWA e:tend to the rooL Sect�on <br />3305 (n). It niust bc in a smokcprool enclosure <br />in builJings ovcr 75 fce[ in hci�hL Section <br />3309 (b). <br />Siz-foot binch minimum headroom dear. nce tor <br />slairways shoultl be indici[eC on plans. Sedion <br />330.ri (o). Note that this is from a plan� tan• <br />gen2 to the :tairway tread nosings. <br />Ramp slopes should not cr.cced one loot in <br />................................ ieel. Section 330G (c) (d). <br />107.� SuAace of ramps should he roughened or of a <br />nonslip material. Section 3306 (f). <br />108L �Stainvays should be enclosed as specified in <br />Seclion 3308. � <br />(a) Onc (lwo)�hour fire�resistive walls are re• <br />quired. <br />(b) Only exil Aoors are allowed to open irtto exit <br />enclosures. <br />(c) Doors should be labcled one (one•and�ono- <br />half)�hour fire assemblies. <br />(d) Exit enciosures shoulA include a torridor on <br />the ground Iloor extending to the er.tcrior. <br />Fire•resistive tonstruction should be zs re• <br />quired�for the exit enclosure, including pro• <br />tecled openings. Only exit doors are perv <br />milled to apen into the torridor. <br />(c) An approved barricr is required al the <br />grovnd 11oor lo prevent people (rom acci• <br />dentaily tontinuing lo the lower Ievel. <br />(t) Usablc spacc is not alloH�ed under lhe <br />stairs. <br />........................................................... <br />109.� One ezi[ f�om thc building �hotdd bc a smoke- <br />proof enclosure com{�lying wiih Sectian 3309. <br />170.` Openings into esit murts less than 10 tecl widc <br />should be protecled with labelcd 45�minule tire <br />assemblies. Section 3310 (d). Also see "ezit <br />eo�rt" de(inition m SeUion 3301 (y. Openings <br />morc than ]0 fcet above the court floor are <br />exempt. _ <br />111. No openinGs oiher than required exils are per- <br />mitled in ccil passageways. Thc passa�eways <br />shoWd bc of ....................._. •hour firrresistive <br />eonstcuction. Section 3311 (a). <br />]12.� Exi[ illumination and signs sheuld bc provided in <br />eon(ormancc with Seclion 3312. <br />113: I Aislc (eross�aisle) in auddorium should havc a <br />minimutn width of .........._ .............._... Section <br />3313 (b). Seclion�3313 (e). <br />114. "anie liardware is required on exit doors servin� <br />Group 0 Occupancies having en ottupant lozd <br />of mom Uian 100. Settion 331G (a). In lieu <br />of this, doors shall have no locks ar latches. <br />115." :Aain and siEe exils in conformance witl� Sec� <br />tion 3315 are rcquired tor ��2 (1) Occupancics. <br />Seclion 3316 (a). <br />1116. Corridors ol Group C OccuUancics shouid have a <br />' width rcyuired by Section 3302 plus 2 fcc6 bul <br />nol Icss ll�an G IecL Section 3317 (e). <br />117.� [ach floor abovc or bclovi ffic ground floor Icvcl <br />ot Group C Ocuq�ancics shoidd havc no Icss <br />than two exit sWirs. Section 33ll (C)• <br />116: � Exil stairs :crving an or.cupanl toad ol morr. <br />than ]00 in a Cwup C Occuponcy shoWd hcrvc <br />a minimum dcar widlh of 5 tcet. SecUon 331'I <br />(B). - <br />119.�I Cvcry ronm wdh an oceupont IoaA excceJin� <br />300 shoidd havc onc of it; ezi�s into a sepaialc <br />cr.it systcm. Seetion 3317 (U). <br />s= <br />