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82.' A floor or landing not morc than 1 inch below <br />the threshold is required on cach :ide ol an <br />ezit door. Section 3303 (h). <br />83.' Doors should not project more lhan 7 inchcs im <br />to the required corridor widlh when fully . <br />opened or morc than onrhalf into the mquired <br />corridor widlh when in any position. Seclion <br />3304 (d). ....._ ................................ ................. <br />84.' Revolving (sliding) (ovcnc�aA) doors are not per- <br />mitted as exit Aoors. Section 3303 (t). <br />85.'�Exit doors should providc immediaie access to <br />an approved mcans ol egress. Section 3303 <br />(g). Eziling through anolher room docs not <br />contPly. <br />S6 ICorridors shoWd have a minimum widih of 44 <br />inches. Section 3304 (6). <br />87: � Corridors scrving nonambulatory persons should <br />havc an 8�foot minimum width. Scction 3318 <br />��) <br />86. �Dead end of corridors and exit 6alconies are <br />limited to 20 feeL Section 3304 (i). <br />89.'� Walls and ccilings of corridors should be of onr <br />hour fire�resistive construdion. Section 3304 <br />(g). An architectural sedion lhrough the corri• <br />dor is necessary lo determinc how lhis is <br />accomplished. <br />90.' Cz1�.rior exil balconies cannol project into an - <br />arca wherc protecteJ oper.in�s arc requimd <br />due to location on property. Section 3304 (i). <br />97: Inlerior openings into corriAors should be pro� <br />tecled as specilied in Seciion 3304 (h). <br />92.� Slairway _....._...._..........._...__....... should have <br />a minimutn widih of ....__............ inehes. Trim <br />and handrails should not project more lhan <br />3�/a inches into the required width. Section <br />3?05 (b). <br />93.��IRisers on stairviays should not ezcecA 7�/� <br />1 inches and runs should nol be less llmn 10 <br />inches. Section 3305 (c). <br />94: Landings on sWirways should havc a dimension <br />in the direclion of travci equai to the width of <br />the sl�irvray but need not exceed 4 fceL Sec <br />tion 3305 (f). <br />95:� Landinps shoulA not be reduced in wiAlh more <br />than 3�/� inches by a door when fully open. <br />� Setiion 3305 (f). <br />96.' 6asemenl porlion of slairv�ays shoulJ have an <br />appinved barricr e;hcre continuous lo upper <br />tlours in an exit endosure Section 3305 (�). <br />97.• Vertical Aistances between stairway IanAin�s are <br />limited tu 11 fecL Secl �n 3305 (h). <br />9&.�1landr;+iL; shouid be placed not less lhan 30 <br />inches nor more than 34 inches above the <br />Lrcad. Section 3305 (i;. Two handreils are re• <br />quired where stairway., exceed 4A inches in <br />widlh. <br />99.'� Guardrails for stairs, balconics, and landings <br />should confonn with £ection 1714. Notc thal <br />maximmn dca�ancc between intermediatc rails <br />is 9 inches. <br />100.' Opmiinps in exlcrior walls wilhin ]0 tcc� of <br />ezterim� staiiways shnuld be Pr.oleded wilh <br />scl4cWsinF ���icc�fomihs�hour fim�resistive a5� <br />semblies. Seclim� 3305 (k). <br />101:' Encloscd usable spar.c under inlerinr stairways <br />shouid Le pfolcriCd on Ihc enclosed sidc as <br />requiteA br m�rhoiv firo-iesistivr corstruo <br />tion. St�r,tion :1305 (I). <br />]02.' Noncombuslible 4xtenor ,lairs are reqUired. <br />Scction 3305 (in). <br />,. �� �,.�. I.: <br />303: Exlerior stairs should not project Inlo an arca <br />(yards or wurts) where wall openings musl be <br />protected. Sedion 3305 (m). <br />;04: Onc slairway shoulA zalend to Ihc rooL Scrtion <br />3305 (n). It must 7e in a smokeprool enclosure <br />in buiidin�s ovc� 75 lcet in hcighL Seclion <br />3309 (b). <br />105.� Six400t 6-inch minimum hcadroom cicaran[e for <br />stairways should be indicaled on plans. Section <br />3305 (o). Notc Uiat tliis is from a planc tam <br />�;ent to the stairway L•ead nosinCs, <br />106.' Ramp stopes should not e. �red one foot in <br />....._.........._.__........ feeL Sicti�n 3306 (c) (d). <br />107.' I Suriace ot ramps sliould he rc uG��ened or of a <br />nonslip materiaL Section 330G (f). <br />]OB.� Slairways sliou�d be encloscd as specified in <br />Seclion 3308. <br />(a) One (lwo)�hour firrresistivc wails are re� <br />quired. <br />(b) Only exit doors are allowed to open into exit <br />enclosures. <br />(c) Doors should be lab�led one (one�and�one� <br />liall)�hour fire assemblies. <br />(d) [xit enclosures shculd include a corridor on <br />ihe Ground floor calendin� to thc exlcrior. <br />Firrresislive conslruclion should be as re• <br />quired for the exit enclosure, including pro• <br />tected� openinss. Only exil doors are per• <br />milted to open into the corridor. <br />(e) An npproved barricr is requircA at the <br />ground iloor to prevent people from acci- <br />dentaily continuin� to the I�wer Icve�. <br />(Q Usablc space is not allowed under the <br />stairs. <br />109: I One ezit irom the building should be a smoke� <br />prouf enclosurn complyine with Section 3309. <br />110.' Openings into ezit courts less ihan .0 fcet wide <br />should be protected with labeled 45�minute firc <br />assemblies. Section 3310 (d). Also sce ^exit <br />eourt" delinition in Section 3301 (c). Openinqs <br />more than 10 feet above the murt �loor are <br />ezen,pt. <br />111: No openinGs other than required ezits are perv <br />mitted in exit passageways. The passa�ev+ays <br />should be oF ........._ ............. �hour fire�resistive <br />construction. Section 3311 (a). <br />11?_. �Ezit illun�ination and si�ns shoNcl bc provided in <br />conlonnance with Section 3312. <br />113:' <br />114.' <br />115! <br />116: <br />117. <br />118. � <br />Aisle (cross aisle) in auditorium should havc a <br />minimum width ot ........_ ..................... Section <br />3313 (b). Section 3313 (e). <br />Penic hardwarc is required on ezit doois ,ervin� <br />Group D Occupancies having an occupant IoaA <br />of more than 100. Ser.tion 33]G (a). In licu <br />of this, doors shall have no locks or latches. <br />Main and sidc exils in con'brmancc willi Sra� <br />tion 3315 are required br [t:? Q) Occupancies. <br />Seclion 3316 (a). <br />Corridors of Gmup C Occupancics should havc a <br />width required by Seclion 3302 plus 2 fect, 6ul <br />not Icss than G fceL Section 33ll (c). <br />f.ach floor abovc or bclmv thc g�ound tloor level <br />of 6roup C Occupancics should have no less <br />than iwo exit slairs. Srction 33ll (�). <br />�Enil sWirs servine an orcupanl load of morc <br />'than ]00 in a Group C Otcupa� .y tihould have <br />a minimum dcar width of b fecL Srr.tion 33ll <br />(r,>. <br />179.� Evcry room wi�h an otCupanl loail r.zccr,ding <br />300 should havc on^ o( ils cr.its into a scparalc <br />� eait system. Section 33ll (b). <br />Shcet I:o. A of G Shecis <br />