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<br />9
<br />82.
<br />or or landin� not morc than 1 inch bclow
<br />lhreshoid is repuircd on cach sidc of an
<br />door, Section 3303 (t�).
<br />E3. Doors shoulJ not project more Uian 7 ir.c_ h�,
<br />to tl;e requircJ eorndor width r�hen fully
<br />Op�ned or more lhan one�lial( (n(n �hc requtrcd
<br />eorriJor widll� when in �ny po;ition. Section
<br />330•f (d), ,.
<br />— ........ ..................
<br />� ......................
<br />�1. P,r�olvine (slidm�) (ovcnc�ad) door; are noi pef•
<br />milted as exit doors. Seclion 3303 (I),
<br />E5. Ixit doors should providc immcdiate att^ss to
<br />an aGProved mcans of c.r,ress. Settion 3303
<br />��'�• �x'��^C through ancthcr room docs not
<br />comply.
<br />85. Corridors shouid have a minimum width o( q4
<br />I inehes. Sec(ion 33p.i ��� ,
<br />. ff7.�Corritlors scrving nonamGulator
<br />have an 8�(oot minimum vridtli�Secti�onS331r8
<br />(c),
<br />E3. D_ad onA af eorridors and exit balconics arc
<br />I iimiled to 20 fect. Section 3304 ((�,
<br />Q�•'�Y�al�s and ceilinp,s cf �orriCors should be of one•
<br />hour lire�resistive construction. Section 3304
<br />(B). An erchitectural section through Ihe torri•
<br />dor is necessary �o determine
<br />zeeomplished, ho�v lhis is
<br />90.� Exlerior exit balconies cannot project inlo an
<br />arca �:hcre protccted openin s
<br />due to location on � E arc requiretl
<br />p operty. Section 3304 (i),
<br />.......'•'-.� .................... ...............................
<br />91.''I Ir.,erior opcnir,gs into torridors should he
<br />tec(etl as speci(ied in Section 3304 (h�, Pro•
<br />92. STY ............. �
<br />a m7�imum width of .._.. ��"""' Should havc
<br />and hanArails sfiould np( "�"""'• �nct�es. 7rim
<br />3�h inches inlo the requircd�width�Seetion
<br />3305 (b).
<br />93."�Riscrs on stainvays shovld �o
<br />inches and runs should �o t excced 7i/
<br />' in�hes. Srction 3305 t 6e less tlren 10
<br />(�).
<br />9�i. ' Landings on slairv:zys should have a tlimension
<br />in ihc direction of travel equai to the e�idth of
<br />lhe stainvay but necd not xcecd f
<br />lion 3305 (p, � 4 eet. Seo .
<br />95• Lzndin�s should not be reduced in viidth
<br />� than 3�/� inches by a �oor v;hen (�,� � ore
<br />Section 3305 (f), 'Y Fen.
<br />96. �62 scment portion of stainvays should have an
<br />PP�oveJ bavicr whcrc continucus lo upper
<br />floors in an exit enclosure. Section 330�
<br />97. I1'rrti:ai Aistances befwcen slzinvay I�ndin r(C).
<br />limited to ]2 fceL Section 3305 (h), �' arc
<br />��'�fiandrails �
<br />s iuuld bo p�i�rd not Icss lhan 30
<br />inc6es nor more thin 34 inches above ihe
<br />lrcad. Scction 3305 (i). 7wo liandrails arc re•
<br />quired wl�crc SWinea s
<br />v:idl6. Y exceed 44, inches in
<br />99.'�Gui�drails (or slairc. balconicx, anA I�ndin�s
<br />i! should conform with Seclion 171..
<br />ntaximum dcarancc bet�vicen inlenneclialc ra�ils
<br />fs 9 incfics.
<br />)J.'"��icnin�s in exterior ��vlls �vithin 10 fcet of
<br />catcrior slain:�i1's should bc
<br />sMf�closin� Ihrrc.luurths.hour lirc�tcistivc��as�
<br />scnib�-- �1C5'�m 3305 (k).
<br />1. Enclosrd usablc spocc undrr imerinr ;t�irv��ys
<br />shnidJ hc prntcclyd on Ihc enc9osetl ;iJc �s
<br />IC(�UilCd for �,n��.hnur lirc��c�islwc
<br />Gun. Srttinn 3305 (p. canslruc.
<br />�. ii�:n[Om6nylihic exlrnof
<br />Scclian 3305 pn--_ ar� d.
<br />]03.
<br />706;
<br />� '.�'J �% / -�i /-C7 :�'y` .� rC� ac�
<br />Eztcrior ;tair; should not r 7
<br />(yartls or couits) whrrc v����°occt into an ar�i
<br />pro;ected. Section 3305 pCOipCa musl Lc
<br />6n).
<br />Onc stairway shoWd exlend to the �oof. Scction
<br />i 3305 (n). 1t must Lc in a smoF;�
<br />in buildin�s over 75 feet �� �`ool cnclo;u�e
<br />3309 (h), , hc�Cht Salion
<br />Sizdoot G�incb minimum ti����oom dcarantc fcr
<br />330���o�.�h����� bc iridicateC a� pl�ns. Scclinn
<br />Cmt lo ihc sta tha( lhis i: from a plcne Wn.
<br />- rway tread nusings.
<br />Ramp slopes shuuld not
<br />cr.ceetl onc faot�in
<br />.' .....................-. . fcet. Setlion
<br />..... 3306'(c) (d;.
<br />107: Surfacc of ramps should b
<br />. nonslip maleriaL Section 3306 (��ened or of a
<br />108. Stainvays �Iioufd bc mdosed as
<br />Section 3308. • specified in
<br />(a) One (two)•hour lire•resistive wal�; arc re•
<br />quired.
<br />(b) Only cxit doors are allowed to open into exit
<br />enclosures.
<br />(t) Doors shouid be labcled onc (oncand�one•
<br />half)�hour fire assemblie;.
<br />(d) Exit enclosures should inciude a corridor on
<br />lhe p,round Iloor extending to lhe extcrior.
<br />Fire•resistivc conslrutticn should he a, re.
<br />quireJ (or lhe exit enclosure, includinG pro•
<br />- tettcd openings. Only cait doors are per•
<br />miRed to open into the corritlor.
<br />��% �� �pproveJ barrier is « quircd at lhe
<br />grounA floor to prevent peop;e from aeci.
<br />dcntally �ontinuing (o the lowcr leve�,
<br />(Q Usablc space is not allowed under the
<br />.stairs. . '
<br />10.
<br />�I.
<br />11q.
<br />' Onc cxit from the building shou;d bc a smokc.
<br />, proo( endosurc compiyin�; with S o-
<br />� ection ,,,�9,
<br />OpeninEs into ezit courts Icss thzn ]0 fec[ wi;�
<br />shouitl bc protected with Wbeletl i�.minutc (irc
<br />assembiies. Section 3310 (d), qiso sce "exit
<br />eour(" delinition in Sec(ion 3301 (c), Openinr;
<br />morc than 70 fcet ahove the court floor are
<br />cxempt.
<br />No openings ofhcr ihan required exits arc p��.
<br />milted in exit passa�ev:ays. The
<br />should be of P�ssa�cv;ay;
<br />................... •hour firc•resistivc
<br />conslruction, Scdion 3311 (a),
<br />'`—_.�--__
<br />Exit illumination and signs should bc pruvidetl in
<br />ton(ormancc viitfi Section 3312,
<br />��—_--��
<br />Aislc (cross aisle) in audilorimn should
<br />mini�num widtl� ot ... h��� a
<br />3313 b . S ............................ Section
<br />i ) cction 3313 (c).
<br />�anic hardv;are is required on exit Aoors scrvin
<br />Group p Ottupar,cics havinp an occupant loatl
<br />of morc Uian 1G0, Section 3316 (a), In licu
<br />of lhis, doors sh: 11 havc no lo[{;s or iatd�as.
<br />15. :.1ain an— d s��� i�� conformont ��;
<br />tion 3316 arc requird for ��?
<br />Seclion 33i6 (a), �1� �«�P�ncics.
<br />�Curridors of Group C Oc,u
<br />widlh requirrA by Seelion 3Sp:CpI5i��2'(cet, Lut
<br />not Iess lhnn G IceL Sec(ion 33ll (e),
<br />C, cii (loor �bnvc nr.bclnw Uic 1'rc�md f1— ��i,,,�
<br />of Group C Occup�ncic, should h�vc nu Icss
<br />� Ihan Qvo rxil slairs. Svction J317 (CI.
<br />Lxrt :tavs scrvmg nn orcupant ioad o
<br />U�an ]OD iit a Crnup C Occup�incy sliould h;rvi�
<br />n Ininimum elcar width of 5 IceL ;;cclion J317
<br />i!;).
<br />Cvciy �noin �•nlh �n oecUp.inl Imirl c�r,ceJinC
<br />:i!'0 �linuld havn nnc cd il.^. cr.il : inln .l 1.�:��:��:�(�
<br />rtd evslrui. tiretinn 3'll% f10.
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