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i. im i u door 1 ml r l '. <br />�'' �; .,• NM J 1 1:. (d). .. .... _ . <br />r.l Ili• ee1 rhalrn-Intl (Clear- width) al <br />1... ...d in dMorrnimnP. cyil V.1dllls <br />regwu;d by Section 3302 (b). `.,echon 3303 <br />(d). in consideration of done thin. Y,nesses. panic <br />r <br />j <br />door swirl[!. Ctr., the required exit <br />Illa,limire, <br />v,iddls have not [,evil furnialed. See door <br />............... ............................ _.......... .. <br />A C,or or Innding not more than 2 inches b0cia <br />the tuu'.'ic'd is rcgttiicrl on each side of :m <br />i <br />exit door. Section 3303 (it). <br />Doors should no: project more than 7 inch^s into <br />the required corridor width vile[' fully opened <br />or more d'aIl One-half into the reonlred cofrl- <br />tic�r r:idth when in any position. Section 3304 <br />+............... ....__.....r...................................... <br />86. <br />Revolving (sliding) (ovclhcad) doors are not per. <br />i <br />rnittecl as exit doors. Section 3303 (f). <br />87. <br />Exit doors should proviJe immediate access to <br />1. <br />an approved means of egress. Section 3303 (g). <br />Exiting through another room does not comply. <br />88. <br />A landing or floor that is level or net more than <br />2 inches lower than the threshold is required on <br />each side of an exit door. Section 3304 (it). <br />89. <br />Corridors should have a minimur id of ri4 <br />Inches. Section 3304 (b). <br />9D. <br />Corridors serving nonambutatory persons should <br />have an 8-foot minimum width. Section 3318 <br />(c). <br />91. <br />Dead end of corridors and exit balconies are <br />limited to 20 feet. Section 3304(.r. <br />Wells and ceilings of corridors should be of one - <br />192. <br />hour fire -resistive constniction. Section 3304 <br />O <br />(' An architectural section through the corri. <br />6br is necessary to determine how this is <br />accomplished. fop yO7� <br />93. <br />Exterior exit balconies cannot project into an e <br />area where protected openings are required. r <br />Section 3304 (f). <br />94. <br />Interior openings into corridors should be pro- <br />tec(aclas set forth in baWe..Llur�in'ioxtMil. <br />_ <br />S'd do 3304 �, i• vex! ////(Wt <br />( Cam. <br />95. <br />Opening: located between the end of an exterior <br />exit balcony and ilia nearest stairway should <br />be protected as required for corridors. Section <br />3304 (g). <br />96. <br />Stairway ....................... ............... should have <br />a minimum width of .................... inches. Triln <br />and handrails should not project more than <br />31/2 inches into the required width. Section <br />3305 (b). <br />97. <br />Risers on stairways should not exceed 71/7 <br />inches and runs should not be less than 10 <br />inches. Section 3305 (c). <br />9B. <br />Landings on stairways should have a dimension <br />in the direction of travel equal to the width of <br />the stairway bill need not exceed 4 feet. Sec. <br />lion 3305 (f). <br />99. <br />Basement portion of stairways should have an <br />. ;approved barrier where continuotr to upper <br />floors in an exit enclosure. Section 3305 (g). <br />100. <br />Vertical distances between- stli:way landings are <br />L <br />limited to 12 feet. Section 3305 (It). <br />- <br />7 <br />i7 <br />9 <br />Uil. <br />tl m bnl. sJwuld G. pl[:cc l not hr. 0i ai 'fU <br />inown nor nine th ill 31 mrlirs Ib(1c the <br />0 <br />dl I ocction 3 in i (i). Two harldrlll uo I<- <br />kl uwvd wl me t.unmys exceed 44 niches in <br />102. <br />Cusdratls for stairs• balconies, and landu;ts <br />- Miould conform rill) Section 171.1. Note tb"t <br />rdax.irn Wn clearance 13�'en intermediate toil:- <br />Is 9 Riches. _ <br />703. <br />Openings in exterior walls v:ithin 10 feel of-- <br />exlerior stairways should be protected with <br />self -closing three foutlh5-hour fire -resistive as- <br />semblies. Srelion 3305 00. <br />_ <br />104 <br />Enclosed usable space tinder Interior stairways <br />should be protected on the enclosed side as <br />required for one -hour fue-resistive constinc. <br />tion. Suction 3305 (1). _ <br />105. <br />Noncombustible exterior stairs are required. Sec- <br />tion 3305 (m). - <br />lOG.7xilrio,stairs <br />should not project into an area <br />or courts) where wall openings must be <br />ed. Section 3305 (m). <br />107. <br />One stairway should extend to the roof. Section <br />3305 (n). It must be in a srnokeproof enclosure <br />in buildings over lt&kw,!erka in height. Sec- <br />tion 3309 (b). 1717 1 _ <br />108. <br />Six-foot 6-inch minimum headroom clearance for <br />stairways should be md!cated on plans. Section <br />3305 M. Note that this is from a piano tangent <br />:to the stairway tread nosings. <br />109. <br />rump slopes should not exceed one foot in <br />--.,,-......I .................. feet. Section 3306 (c) M. <br />110. <br />Surface of ramps should be roughened or of a <br />nonslip material. Section 3306 (f). _ <br />111. <br />Stairways should be enclosed as specified in <br />Section 3308. <br />(a) One (two) -hour fire -resistive walls are re- <br />quired. <br />(b) Only exit doors are allowed to open into exit <br />enclosures. <br />.............................................................................. <br />(c) Doors should be labeled one (one -and -one. <br />half) -hour fire assemblies. <br />(d) Exit enclosures should include a corridor on <br />the ground floor extend:ns to the exterior. <br />Fire -resistive construction should be as re- <br />quired for the exit enclosure, including pro. <br />tected openings. Only exit doors are per- <br />mitted to open into the corridor. <br />(e) An approved barrier is required at the. ground <br />floor to prevent people from accidently con. <br />finding to the lower level. <br />(f) Usable space is not allowed under the stairs. <br />112. <br />One exit from the building should be a smoke - <br />proof enclosure complying with Section 3309. <br />113. <br />Openings into exit courts less than 10 feet wide <br />should be protected with label d 45-minute fire <br />assemblies. Section 3310 (at Also see "exit <br />court" definition in Section 3 01 (c). Openings <br />more than 10 feet above Lire court floor are <br />exempted. <br />114. <br />No openings other than required exits are per. <br />olitted in exit passageways. The passageways <br />should be of ........................ -flour rite -resistive <br />construction. Section 3311 (a). <br />115. <br />Exit illumination .:rid signs should be provided in <br />0 <br />all <br />on rmance v:i I Sc-lion. 331 �. <br />116. <br />lv=-It (-_ro s :list,.) in auditorium should ilia•:e n <br />niinimmel •.width of ..................... Seclwn <br />3313 (b). Section 3313 (a). <br />Sheet 140..... 1...._.of.......6..........Shects <br />