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<br /> "��` �4i�-� Chapter'7 MEANS OF EGRESS lion 9.7,exisli�agexit slcaire�aclosuies slaull have iaol less lhura a 1-ho�u• �
<br /> e classifica� �
<br /> ted as speci�, �x�i 'fire�esislance ratz�zg
<br /> �f Chaptece�a 1;y:�,i SECTION 7.1 GENERAI. Lxce��tion No.3. One-hoitrenclosures iri rzccordance wilJa 28.2.21.2, ,
<br /> ;���+ 'f"f' ' 29.2.2.1.2, 30.2.2.1.2, anrl 31.2.2.1 2 sleall be j�ernciGled as an al-
<br /> �i �,�Application. Means of egress for both new and exist-
<br /> ,nii �Idings shall comply with this chapter. (See aGso 4.5.3.) ternalive.
<br /> A,� =f<i` (c) Openings in the separation shall Ue protected by fire
<br /> �'' ��efuutions. door asseniblies equipped�vitl� door closers coniplyi»g�vitli
<br /> .�g or stnicN �;,;;.
<br /> :cordance.: �'�essibleArea of Refuge.See 3.3.1. 7.2.1.8.
<br /> a";€�' '�t;, (d) Openings in exit enclosures shall be limi�ed to Lhose
<br /> " essible Means of Egress.See 3.32.
<br /> �%%&�,i � ❑ecessaiy for access to the enclosure from normally occupied
<br /> ill Ue classifi' ;�rea of Refuge.See,�i.314. spaces and corridors and for.egress from tl�e enclosure.
<br /> ,,,_, - - -�
<br /> :lf-propagaur� fiz<jl ,
<br /> �Common Path of Travel.See 3.3.32. Gxce�lio�a No.1• %e�ai�ags i�a esit f�ussagcnua��s in coveieil ueall Gicild-
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<br /> �''r�} �Hectroluminescent.See 3.3.50 i�}gs us provided in Claa�lers 36 a�trl 37 slarill Ge��er�nilled.
<br /> n�entsshall!k� _-
<br /> s: °'IIevator Evacuation System.See 3.3.51 L;xceplion No.2: In Guildings oj 1 y(�e I or Ty(�e II cacsh�u�:eio�ti,exisl-
<br /> odera[e rapid� F;w= : iag fire-�roleclio�x��aled doo�s shall Le�ie�7�ailled lo i�z[e�slitial s��or.es
<br /> e, �_� �`;13evator Lobby.See 3.3.52.
<br /> .�, j�rovided tlaat siic/a s f�ace��aeels lhe foUozai�a g crileria.
<br /> �'�`M1• r�?Elevator LobUy Door.See 3.3.53.
<br /> shall Ue class �;; (a) 'lke s��ace is i�secl solely jor dulribuliorx of j�i�es, dtecls, a�i�l
<br /> me �a idi Po' �Eait See 3.3.G1
<br /> P �3''�t� condicils.
<br /> f� e ess u ., `'�'
<br /> 8� '�4,;,} ?ExitAccess.See 3.3.G2. (G) '1'!ee s/�ace co�clairu no slorage.
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<br /> rj.c iF.xitDischarge.See 3.3.63. (c) '1'!ze space is s%ara[e�l jro��i[Ite exiG enclosure in accazlaace
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<br /> '� �,�Externally Illuminated.See 3.3.G7 :uitli 8.2.3.
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<br /> ',p`''�- "���Horizontal Exit.See 3.3.103. (e) Penetrations into and openings�l�irough an exit enclo-
<br /> �:"�t.; ;�s�= sure assembly shall be prohibited except for the fo�llo�ving•
<br /> 'r���� -��,Internally Illuminated.See 3.3113.
<br /> ;,y,�, �;
<br /> s�i� � �a�x'~Means of E ess.See 3.3.121. (1) Electrical conduit serving the stainvay _
<br /> _ r�, "f�' � (2) Required exit doors
<br /> \ '�?��. ��Photoluminescent.See 3.3.146.
<br /> ;�,, ,���. (3) Duclwork and ec�uipment necessary for independent
<br /> H,�::' .�Y�,:
<br /> ',r",� , t:Ramp.See 3.3.158. stair pressurization
<br /> � �:f;i.
<br /> _�`�,;�G ;'�Self-Luminous.See 3.3.175. (4) �1'a�er or steam piping necessary for tlie heating or cool- ,
<br /> f:�; �.�i'.',. ing of the exit enclosuc•e
<br /> '�;,1. ��, Severe MobilityIinpairment.See 3.3.179 5 S iinkler » in
<br /> �.,;,. ( ) P� I �P g
<br /> `��fi�' ';�'Smoke roof�nclosure.See 3.3.186. 6 Stand�i�es
<br /> :i;��, �., P ( ) 1 �E
<br /> �h� � ��, 3 Se aration of Nteans of E ress. See also Secliora 5.2.
<br /> ,�:�,a �I1. p g � � Exce��Giorc No. 1. lixislinbr�e�eetrn6ions(�rolecled in accorda�ice mille
<br /> 'f�' r;:
<br /> ;' �'1.1.3.1 �xitAccess Con•idors. Corridors used as exit access d-2•j•2.4 s/�all be�erniil[ecl.
<br /> .�4.
<br /> �;y, ,^2nd serving an area havina an occupant load exceeding 30 L''xc%lionNo.2. Pe�telrcalionsfm•fi�enlarnacircvilss/iallbe(�ermil(erl
<br /> ,�!r.y� ' �;:ishall be separated h-om other pares of tlie Uuilding Uy lvalls ruil/aira e�aclosu�es ruhcn-c fire¢larnc circzcils a1e i�estalled ira i�ielal co�c-
<br /> �;!�� �",having not less �l�an a 1-hour Fire resis�ance rating in accor diciG n.nct�e�zeGrnlio�u rare�iroleclerl i�t«cca�dance milli'8.2.3 2.4.
<br /> :j��r-; ` ?dance wilh 82.3. (n Penetrations or communicating openings shall be pro-
<br /> �,;� �;�s i liibited between adjaceu�exit enclosures.
<br /> �Fxce�tion No. 1• '1'his requireiue�il slaall nol a(�/�lJ�lo etisling Gui(d-
<br /> I�r:
<br /> �i+�. ' y�z'�ngs,�rovided lhe occ2%aiz�}�clussifzca�iaa does�aol•chuazge. 7.1.3.2.2 An exi� euclosure sl�all hrovide a coni:nuous pro-
<br /> �1E ;�Fxce tio�x No. 2: 7'Izis re uiremenl sl:all nol n.�/�1�� wAere olhe�ruise cec�ed pa�h of travel to an exit discharge.
<br /> ��i+�' : ovu d in Gaa�le�s 12 lhrozc le 4 .
<br /> ;,,}f� ,,QT / � 7.1.3.2.3T An exi�enclosure sliall iiot be used for an}'p�»•p�se
<br /> .:;+i �;?.1.3.2 Exits. �hac has the poiential i.o in�ertere with its use as aisexi�and,il'
<br /> :�,;. ,t�f.• so designated,as an area of refuge. (See also 7.2.2.,.3.)
<br /> �co� ;:37.1.3.2.1 Where this Code requires an exit to be separa�ed
<br /> 7�F �'Irom odier parts of the Uuilding, �he separa�ing construciion 7.1.4 Interior Finish in Exits. The ilame spread of interior
<br /> �>��5 ��' finish on�val(s aud ceilin s shall be limited to Class A or Class
<br /> }K�� shall meet the requirements of Sec[ion 8.2 and the following. g
<br /> ,�;�� i�;�: B in exit enclosures in accordance with Section 1O.2. (See Cha.�i-
<br /> ���� �,�; (a) ^'The separa�ion shall have not less than a I-hour fire �e�s 12 throz�gh 42 jor-ficrl/aer lincilations.)
<br /> ,;'s�^�' 'siesistance rating where the exit connects three stories or less.
<br /> i�`;� `'�`` (b) *The separation shall l�ave not less than a 2-hour fire 7•1.5* Headroocn. Means of egress shall be designecl anci
<br /> ?�, �? maintained to �rovide headroom as iovided in other sec-
<br /> �} resistance iating where the exit connects four or more stories. 1 P�
<br /> '�;f 'The separation shall be construcled of an assemUly of non- �ions of Il�is Corle and shall Ue not less than 7 f1�6 in. (2.3 m)
<br /> �'�(� �ombusuUle or limi�ed-comUustiUle materials and shall be �+�i�h projecuons from�he ceiling not less il�an 6 Pt 8 in. (2 m)
<br /> �;}�E ''upported Uy construction having not less than a 2-liour fire no�ninal height aUove the finisl�ed floor The minimum ceil-
<br /> ='f;�f t�esistance rating ing height shall Ue maintained for no[less than t�vo-�hicds of
<br /> ;��,� �;"� the ceiling area of any room or space, provided the ceiling
<br /> - � ,�: :Exce(�lion No. 1. In exislirtg non-higli-�z.se Luildi7igs, exisling ezil Ileight of remaining ceiling area is not less than G f't 8 in. (2 ui)
<br /> ,_,�<,,
<br /> :n:. ��"slnir•e�eclasu�es shall hcave not less daa�i¢1-hourfire resisednce ra[ing Headroom on stairs sliall Ue not less-than 6 ft 8 in. (2 ui) and
<br /> ;r;�,.
<br /> A =��Excehtion No.2: !n exislingbuildings��rolecled G/eroughouG Gy an u�i- shall be measured vertically aUove a plane parallel to and lan- ��
<br /> `�'tr'
<br /> �;a: �lproved,sief�eroised¢ulanalic sp�xnkler sysle�ii iiti accordance wida Seo- gent with che most Foi-�vard projection of the s�air[read.
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