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TA6L£. 170. 37-7� <br />TY2E OF <br />b1ASUNLRY CEIIF1tiEY <br />FIftE['L7�CC <br />Section 3�03(f): <br />Section 3703(c):� <br />Seetiun 3703(c): <br />Section 3��'(': <br />Section 3704;b): <br />Section 3'!0�(c): <br />4• <br />p1INIMUM CROSS-SECTIOHAL TitEA <br />� Squarc oE Lined ��ith <br />Round Rectangle Firebric}: <br />1/2 of opening 1/10 of opening 1/8 of opening <br />Flinimum S� sq. in. G4 sq. in. �finimum Min. 100 sq. in. <br />fiEIGiIT - Every chimncy shall extend at least 2' a6ove the roof through <br />which it passes and at lcast 2' above the highest elevation of any <br />part of the 6uilding within 10' of the chimney in Table 37II . <br />CLET.RANCF. TO COt4AU5TIBLE FV�TGRIAI. -�4hen built entirely within a <br />slructure conbustible materi�l shall not be placed wiChin 2" of <br />fircylace, smokc chanUer, or ehimncy wa11s. tahen the chinne�: zs built <br />entircly outside the structure 1" clearance shall be maintair.•.d or <br />7,�g" gypsum wallboard may be substituted for the 1" clearance. <br />Combustible materials shall not be plaeed within 6" of the fireplace <br />openin9. t7o such combustible naeerials within 12" of the fireplace <br />opening shali project moie than 1/8" for each 1" cl.earance from sucli <br />opening. <br />AF2E;AS OP FLUES, THROATS, APD DPSIPERS - The net cross-sectional area <br />chamberfofetheafireplacchshallbbe�Jnot less�thab�asasattforth �in <br />Tablc No. 37-A. • <br />MASONRY CI1IFi:IEYS <br />DESIGN - i�tasonry chinneys shall be designed and constructed to comply <br />with Section 3703(b) and Section 370h(b). <br />17..LLS - t4alls of masonry chimneys shall 6e constructed as set forth <br />in Tablc [70. 37-II. <br />REI[IFORCING TuiD SEISMIC At2CHOIL�GF. - Unless a specific design is provided, <br />every masonary or concrete chimney in Seismic 2ones No. 2 and No. 3 <br />�hall Ue reinforced with not less than four No. 4 steel :einforcing <br />bars conforming to thc provisions of Chaptcr 2-0 or 2G of this Code. Thc <br />bars chall extend the full heiyht of tlie chimney and sliall be spliced <br />in accordance witi� the applicaUle requiremenCs of Chapters 2d and <br />��, 7'he ba=s shall be tied horizcntally at 18-inch inCerva2s with not <br />less than 1/4 inch diameter steel ties. Two eies sn�ll also be placed <br />at each bend in vertical bars. Where the width of the chimncy <br />exeeedc 40 inches, ta•o .dditional t]o. 4 vertical bars �hall be pcovided <br />for each additional flue inccrporated in the chimney or for each addit- <br />ional. 40 inches in width or fracCion thc=cof. '� <br />F1GCI[ANICAL CODE <br />Section 7DA(2)6 <br />70h(A): R wazm air furnace shall not be lnctalled under any stairway or in <br />� � any haeardous location. <br />Scotion 1903: Clothes drycrs shall be connected to a moisturc duct dircctly to che <br />. outcide- In no case shall Che duct terminate in an aCtic area or <br />in ❑» under floor are�. DucCs shall not be connected with ::crews. <br />Soction 2213(b): G�s pipi.ng shall not 6c inatallcd in or on thc ground undcr any <br />buildin9. , <br />J <br />