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MI <br />67. <br />A floor nr landinr; not more Olin 1 indh below <br />the threshold is requited on each side of an <br />exit door. Section 3303 (It). <br />U. <br />D� oors shmtid not projicl more than 7 inches in. <br />to the requited corridor width %-then fully <br />opened or muro th.m one II;IIf into fire required <br />corridor width when in any position. Section <br />3304(d)........................................................... <br />8:. <br />Revolving (sliding) (overhead) doors are not per. <br />milled as er.it doors. Section 3303 (f). <br />U <br />Exit t doors should provide immediate access to <br />an approved means of egress. Section 3303 <br />(g). I:xiting through another room does not - <br />comply. <br />U. <br />c.hould have a minimum width of 44 <br />ICorridors <br />inches. Section 3304 (b). <br />67. <br />serving nonambuWary persons should <br />ICorridors <br />have an 8-foot minimum width. Section 3318 <br />c). <br />B. <br />I Dead end of eortidors and exit balconies are <br />limited to 20 feet. Section 3304 (f). <br />Ti"Walls <br />and ceilings of corridors sho ild be of one. <br />hour fire-tesistive construction. Section 3304 <br />W. An architectural tection lMough the corgi• <br />dor is necessary !o determine flow this f$ <br />accomplished. <br />9-Exterior <br />Brit balconies cannot project into an <br />area where protected openings ate. required <br />• <br />due to IOeatinn on property. Section 3304 (i). <br />......................................................................... <br />9191. <br />lI�ponings into cnnidurs should be pro• <br />feeted as !q,ccified in Section 3304 (h). <br />----__ <br />Slainv^Y should have <br />a tninnuum width of .................. Inches. hint <br />and handrails should riot project more than <br />31/a inches into the required width. Section <br />3305 (b). <br />-- <br />- <br />93.- <br />on stainvays should nut ercced <br />IRisers <br />inches and tuns • iould not be less than •'_U 9 <br />Inches. Section 330 ) (c). <br />9,. <br />1 andirtgs on mrlirways should have a dimension <br />in the direction of •travel equal to the width of <br />the stairway but need riot exceed 4 feet. Sec' <br />tion 3305 (I). <br />455. <br />Landings should not be reduced in width more <br />than 31/? inches by a door when fully open. <br />Section 3305 (1). <br />95. <br />portion of stain -jays should have an <br />(Basement <br />'pproved binior where continuous to upper <br />floors in an exit encostre. Section 3305 (g). <br />97.*q <br />Vertical distances between sL,ilway landint;> are <br />limited to 12 feet. Section 3305 (I1). <br />93. !handrails <br />should be placed riot less than 30� <br />inches nor more than 34 inches above the <br />tread. Section 3305 (1). Two handrails are le• <br />quired %-,here stairrays exceed 44 inches In <br />)1widlh. <br />99. <br />Cum diai's tot Glair,, balroniet, and landings <br />should (onlonn with Sorlion 1714. Wale that <br />maximum clearance between intermediate (ails <br />is 9 Inches. <br />I M. <br />Opcllians Ill exterior walls within lO feel Of <br />at.ilvlays should bo protected with <br />• (exterior <br />Self-00%ittl: Ihn'p len1111rbnof lire-rc Sittive as. <br />ombliea. Suction 3305 (IQ, <br />I(1I, <br />Unrlosrd usable sp.nce under interior stairway <br />should be pretrcled on tile enclosed title as <br />1pgtlired for eln-hour fuo-terdslive construe. <br />Lion. Section 3:,05 (1). <br />IN, INoncmubushbin <br />exterior stails- are required, <br />:...,,,.,. a.n,i r..., <br />103. <br />Exterior mails should not project into an area <br />(yard: of courts) where wall openings nmsl he <br />protected. Section 3305 (in). <br />104. <br />One stailway should cxlend to the roof. Section <br />3300 (n). It must be in a sntokeproor enclosure <br />in buildings over 7S feet in height. Section <br />_ <br />N. (b). <br />1 W. <br />Six-foot 6 inch minimum headroom clearance for <br />Mainvays should be indicated on plans. Section <br />• <br />3305 (a). Note that this is from a print- tan• <br />Cent to the stailway tread nosings. <br />10G. <br />(tamp slopes should not exceed one foot in <br />................................ feel. Section 330G (c) (d). <br />107. <br />Surface of ramps should be roughened or of a <br />nonslip material. Section 3306 (1). <br />10R. <br />Slairways should be enclosed as specified in <br />Section 3303. ' <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 />(c) Doors should be labeled one (one-and•ono• <br />half) hour fire assemblies. <br />(d) Exit enclosures should include a corridor on <br />the ground floor extending to the exterior. <br />Eire -resistive eonrtructicn should be as ro- <br />quired for the exit enclosure, including pro• <br />tecued openings. Only exit doors are per. <br />milled to open into the corridor. <br />(p) An approved barrier is required at the <br />ground floor to prevent people from acct• <br />dentatly continuing to the lower level. <br />(:) Usable space is not allowed under the <br />-' <br />.stairs. <br />109. <br />One exit from lie building should be a sti oke• <br />proof enclosure complying with Seelion 3309. <br />110. <br />Openings Info exit courts less than 10 fret wide <br />' <br />should lie prolccled with labeled 45-minute fire <br />assemblies. Section 3310 (d). Also sea "exit <br />court" definition in Section 3301 (c). (`penings <br />more than 10 feel above the court floor ire <br />cxempl. <br />111. <br />No openings otter than required exits are per. <br />milled in exit passageways. The passageways <br />should be of ........................ •hour firc•resislive <br />construction. Section 3311 (a). <br />112. <br />Exit illumination ind signs should he provided in <br />conlonnance with Section 3312. <br />113. <br />Aisle (cross aisle) in auditorium should have a <br />mininam width of ............................... Section <br />3313 (b). Section 3313 (e). <br />114.1"ante <br />hardware is required on exit doors serving <br />Group D Occupancies ravine an occupant load <br />of more than 100. Section 3316 (a). In lieu <br />of this, (loots %hail have no locks or latches. <br />115. <br />:.lain and side exits in conformance with Sec. <br />lion 3315 are required for 11.2 (1) Occupancies. <br />Section 3316 (a). ' <br />116. <br />Conidurs of Group C Occupancies should have a <br />width required by Section 3302 plus 2 feet, but <br />riot less Oan 6 feel. Section 3317 (c). <br />117. <br />i atll floor .above Or beinl'I Idle ltround floor level <br />' <br />of Giant) C Occupancies should have no less <br />than two exit stairs. Section 3317 (g). <br />I10. <br />Exit stairs serving an occupant load of more <br />than Inn in a Group C Occupancy thould have <br />a mininunn clear width of b feel. Section 3317 <br />119. <br />every moot with an accaponl load ty.ceeding <br />300 shatdd lavo one of ib exits into a tepalalu <br />evil r,v.Lnn Srr tine 7•Il % /h1 <br />