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ORDINANCE NO. NS- 1668 <br />PAGE TWO <br /> <br />ings: <br /> <br />1. Any roof covering listed in Section 3203(e). <br /> <br /> 2. Any built-up roofing assembly not less than Class C <br />roofing. <br /> <br /> 3. Any mineral aggregate surface built-up roof for <br />application to roof having a slope of not more than 3 inches <br />to 12 inches applied as specified 3203(d) 2, consisting of not <br />less than the following: <br /> <br />Base Sheet and Plies <br /> <br /> Three layers of Type 15 organic or inorganic fiber felt, <br />and <br /> <br />Surfacing Material <br /> <br /> 300 pounds per roofing square of gravel or other approved <br />surfacing material, or <br /> <br /> 250 pounds per roofing square of crushed slag in 50 pounds <br />of asphalt, or <br /> <br />60 pounds of pitch. <br /> <br />4. Any prepared roofing not less than Class C roofing. <br /> <br /> SECTION 3: That Section 8-172 is hereby added to <br />the Santa Ana Municipal Code to read as follows: <br /> <br />Sec. 8-172. Chimneys General. <br /> <br /> Sec. 3703(f) of the Building Code is amended to <br />read as follows: <br /> <br /> Sec. 3703(f). Height and Termination. Every chim- <br />ney shall extend above the roof and the highest elevation <br />of any part of a building as shown in Table No. 37-B. <br /> <br /> Ail chimneys shall terminate in a substantially con- <br />structed spark arrestor having a mesh not exceeding 1/2 <br />inch, except chimneys serving appliances using only gas <br />or oil for combustion. <br /> <br /> SECTION 4: That Section 8-570 is hereby added to <br />the Santa Ana Municipal Code to read as follows: <br /> <br />Sec. 8-570. Spark Arrestors. <br /> <br />Sec. 914(f) of the Mechanical Code is amended to read <br /> <br /> <br />