Laserfiche WebLink
PLAN REVIEW - 95 SOUTH BROWN ROAD <br />October 2, 1986 <br />Page 8 <br />81. Composition shingles shall have an underlay of not less than 15# <br />felt, applied as a base sheet. Sec. 3203-d-5-a. <br />82. Composition shingles shall be laid on slopes that are 4/12 or <br />greater. If less, installation approval must be granted by the <br />Building Official. Sec. 3203-g-2. <br />83. Roof valley flashing shall be provided of not less than #28 gals. <br />sheet gauge corrosion resistant metal and shall extend at least 8 <br />inches from the center line each way, and shall have a splash diverter <br />rib not less than 3/4" high at the flow line. Sec. 3203-d-5-b. <br />84. Enclosed attics and enclosed rafter spaces formed where ceilings <br />are applied direct to the underside of roof rafters shall have cross <br />ventilation for each separate space by ventilating openings protected <br />against the entrance of rain and snow. The area shall be not less n <br />1/150 of the area of the space ventilated. Except that the area may <br />be 1/300 roviri�2d at least 508 of the required ventilation area is <br />providPa .,y ventilators located in the upper portion of the space to <br />be v.,ntilated at least 3 feet above eave or cornice vents with the <br />ba ance of the required ventilation provided by eave or cornice vents <br />MECHANICAL SECTION <br />85. At least three feet clear space shall be provided in front of all <br />zone valves and controls, etc. for access and servicing. Sec. 7209 <br />SBC <br />86. Chimneys shall F!xtend at least 3 feet above the highest point <br />where they pass through the roof of a building and at least 2 feet <br />Iiigher than any portion of any building within 10 feet. Sec. 7403 SBC <br />87. All masonry chimneys to which heating boilers or furnaces are to <br />be connected shall be subject to and most successfully withstand a <br />smoke test before such connection is permitted. Sec. 7403 SBC <br />88. All chimneys shall have cleanouts and the cleanouts shall be <br />constructed so that they will remain tightly closed when not in use. <br />Sec. 7403 SBC <br />89. Masonry chimneys serving gas fired boilers, furnaces or other <br />heating devices, whether of the gas designed type or fired by gas <br />conversion burners, having an input not exceeding 400,000 BTU per <br />hour, rhali be lined continuously from the thimble to the top of the <br />chimney with an approved non-combustible, acid and corrosion resisting <br />liner of the same equivalent cross sectional area as the vent <br />connector. Sec. 7403 SBC <br />90. A condensation pocket shall be provided at the base of said liner <br />with provision for a drip, so arranged that excessive condensation of <br />combustion products may be disposed of. Sec. 7403 SBC <br />