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-18- <br />Kitchen sinks (large) hotels or public <br />2 <br />2 <br />Pantry sinks (large) hotels or public <br />2 <br />2 <br />Pantry or bar sinks <br />11 <br />11 <br />Wash basins, one only <br />1- <br />i <br />11 <br />Bath tubs <br />la <br />1z <br />Shower Baths <br />2 <br />2 <br />Sitz bath <br />12 <br />12 <br />Safe <br />wastes and drips <br />1 <br />1 <br />Drinking fountains <br />11 <br />11 <br />Fountain Cuspidors <br />1-1 <br />4 <br />1� <br />4 <br />Section LVIII. The following table gives the size of <br />vent pipes and the maximum number of fixtures that they shall <br />serves <br />Size of <br />Maximum <br />No. of <br />No. of <br />No. of <br />Maximum <br />Pipe <br />Developed <br />Traps <br />Traps <br />Water <br />Number <br />pounds <br />4 <br />Lenth in <br />12 or <br />2 inch <br />Closets <br />Fixtures <br />17 <br />pounds <br />Feet <br />less <br />2�� <br />ounds <br />Founds <br />8 <br />11f1 <br />pipe <br />15 <br />1(14}1) <br />1 <br />12 <br />pipe <br />25 <br />2 <br />1 <br />2 <br />211 <br />pipe <br />40 <br />8 <br />4 <br />3 <br />8 <br />2211 <br />pipe <br />60 <br />16 <br />10 <br />5 <br />16 <br />3t1 <br />pipe <br />90 <br />32 <br />24 <br />12 <br />32 <br />3, <br />pipe <br />130 <br />64 <br />50 <br />20 <br />64 <br />411 <br />pipe <br />180 <br />130 <br />80 <br />30 <br />160 <br />511 <br />pipe <br />240 <br />210 <br />140 <br />70 <br />210 <br />6t1 <br />pipe <br />330 <br />480 <br />240 <br />120 <br />480 <br />For five (5) inch <br />traps and over <br />the vent shall <br />be one - <br />half <br />the diameter <br />of the trap. <br />If the <br />length of a <br />branch or main vent pipe is to exceed <br />the <br />given <br />maximum, above <br />diameter must be increased to the <br />tabulated <br />size opposite <br />the length <br />required, irrespective of <br />the <br />number <br />of traps vented, <br />but in <br />no case <br />shall the <br />main <br />vent <br />be less <br />than one -half <br />the diameter of <br />the adjoining <br />soil <br />pipe. <br />Section LIX. All cast iron pipe and fitting shall be <br />sound, cylindrical and smooth, free from cracks, sand holes <br />and other defects, of a uniform thickness and not lighter <br />than the commercial grade known as "extra heavy." <br />Pipe shall not weigh less than the following per lineal <br />foot, which weights include <br />the hubs: <br />Diameter of Pipe <br />Weight per ft. <br />2 <br />inch <br />5- <br />pounds <br />3 <br />inch <br />92 <br />pounds <br />4 <br />inch <br />13 <br />pounds <br />5 <br />inch <br />17 <br />pounds <br />6 <br />7 <br />inch <br />inch <br />2�� <br />ounds <br />Founds <br />8 <br />inch <br />3,312 <br />pounds <br />