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l <br />120` <br />When three or more exits are required, no more <br />than two required exits should exit into the <br />same exit syslvm. Section 3317 (h). <br />121 <br />No point in a room in a building should he more <br />than 75 feel to an exit corridor, enclosed "air- <br />way or exterior of the building. Section 3317' <br />t). <br />122. <br />Exiling through adjoining rooms should comply <br />. with Section 3317 (d). <br />123. <br />Panic hardware is required on exit doors serving <br />rooms containing more than 100 occupants <br />and in corridors of Group C Occupancies. See. <br />tion 3317 (1). <br />1241 <br />Every room in a Group D Occupancy should have <br />access to at least two legal mean; of egress. <br />action 3318 (a). <br />125.1 <br />Doors from bedrooms and wards of Group D <br />Occupancies and all exit openings where non. <br />ambulatory patients are housed should have a <br />minimum clear width of 44 inches. No pro. <br />jections in this width are allowed. Section 3318 <br />(b). <br />126. <br />Panic hardware is required on exit doors serving <br />more than 50 occupants in Group D Occupan. <br />cies unless there is no latch or lock. Section <br />3318 (f). <br />rLOOR, ROOF CONSTRUCTION, COVERING, . <br />SKYLIGHTS, ROOF STRUCTURFS <br />127. <br />The space between wood floor construction and <br />a suspended ceiling below should be divided <br />Into areas not exceeding 1000 square feel. <br />Section 2517 (e). <br />1213. <br />{ Attics of combustible material should ti • divided <br />into areas not exceeding 3000 (9000) square <br />feet. Section 3205 (b). <br />129. <br />Roof drainage should be conducted under the <br />public sidewalk. Section 3207 (e). <br />130. <br />Overflow drains having the same size as roof <br />drains and on independent drain lines are re- <br />quired. In lieu of this, overflow scuppers Ihr_c <br />times the size of roof drains should be installed <br />In parapet wills. Overflow system should have <br />inlets located 2 inches above the low points <br />f the roof. Section 3207 (c). <br />131. <br />The aggregate area of penthouses and other roof <br />structures cannot exceed 331/s percent of the <br />supporting roof area. Section 3601 (b). <br />FIRE -EXTINGUISHING SYSTEM <br />132. <br />An approved automatic tire -extinguishing system <br />in the ............................................ is required. <br />Section 3802 (b). This includes blind spaces <br />enclosed wholly at patily by combustible con. <br />struction. <br />1?3. <br />Dry standpipes are required in buildings four or <br />more stories in height. Section 3803. <br />134. <br />Wet standpipes are required as specified in Sec- <br />tion 3804. <br />135. <br />CoAtbination standpipes are required in build. <br />ings exeeding 150 feel In height. Section 3805 <br />136.1 <br />Buildings six stories or more in height should be <br />Provided with not less than one standpipe dur. <br />hip. construction. Section 380G (b). <br />137, i <br />fire -extinguishing system plans should be sub• <br />tl;!IWd to you to detenuine compliance with <br />applicable bedding, plumlanll, and lire codes. <br />FIREPLACES AND CHIMNEYS <br />138," <br />Chimneys should comply with Sections 3701 <br />and 3704. <br />139. <br />Fireplaces and barbecues should comply with <br />Section 3707. <br />FINISH WORK <br />140. <br />The interior wall and ceiling finishes should be <br />specified and comply with Table No. 42 8 and <br />Section 4203. <br />141. <br />Gypsum wallboard (interior lath and plaster) <br />cannot be installed on weather -exposed sur. <br />faces. Sections 4705. 1711. See Section 424 <br />for definition of weather exposed surface. <br />142: <br />SkyliChts should comply with Chapter 34. Plastic <br />skylights are allowed only under Ilia conditions <br />specified in Section 5205. <br />143. <br />Glass and glazing should comply with Chapter <br />54. Type and thickness of glass should be <br />specified. <br />Glass and glazing in hazar.rc :..:ocations should <br />144. <br />comply with Section 5406. <br />STRUCTURAL <br />145. <br />Special inspection in conformance with Section <br />305 is required for the followinP work: <br />(a) Shuctural concrete where the design is <br />based on an ultimate comVtestive strength <br />in excess of 2000 pounds per square inch. <br />(b) All welding except where done in the shop <br />of an approved fabricator. <br />(c) Installation o1 hiCh strength bolts. <br />(d) Prestressing work. <br />(e) Masonry work required by Chapter 24. <br />14G. <br />Soil classification in conformance with Table No. <br />28-B and ............................ pounds per square <br />foot soil hearing value used in design should <br />be specified on plans. Section 2905 (a). <br />147. <br />The'foundation investigation raper, menhrned in <br />plans was not included in data forwarded t5 us. <br />It should be submitted for review. <br />148. <br />All masonry or concrete elements resisting seis. <br />mic forces should qualify as reinforced elo. <br />ments. Section 2314 (1:) 3. <br />149. <br />Precast concrete wall panels are limited to an <br />• <br />lift ratio of 36 (25). Section 2616 (c). <br />150. <br />Wood members may support loads from ma. <br />sonry or concrete only under the conditions <br />specified In Section 2516 (a). <br />151. <br />Structural calculations should be submitted to <br />justify the adequacy of the structural system <br />In resisting seismic and wind leads, and sup. <br />porting dead and live loads. This includes <br />foundations. <br />152. <br />Justifying calculations and details should be pro• <br />videdfor............................................................ <br />......................................... <br />153. <br />Roofs shall be designed for snow loads of <br />...................... pounds per square400t. Section <br />2305 (c). <br />154. <br />The roof should be.. designed for uplift wind pres. <br />sures with doe consideration for lateral support <br />or compression flanges of flexural members. <br />155. <br />Floor load should consider a 20-pound per <br />square foot p:ntilion load. Section 2302 (b), <br />15G. <br />Marquees should be detnmeA for n GO Pound per <br />square fool live load. Table No. 23-A. <br />