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<br />". (c) A trap arm may change direction without <br />the use of a cleanout when such change of direction <br />is accomplished by the use of not more than two 45 <br />degree fittings or one 90 degree fitting of approved <br />radius. IlApproved radius" shall mean not less than <br />a medium-sweep elbow. <br />'" (d) The vent pipe opening from a soil or waste <br />pipe, except for water closets and similar fixtures, <br />shall not be below the weir of the trap. The developed <br />length between the trap of a water closet* or similar <br />fixture and its vent shall not exceed four feet.' <br />II Section 24.29 Section l003.l is hereby added to <br />the Plumbing Code to read as follows: <br />It' section l003.l All faucets on the inside of <br />the building with the exception of water heaters, tub <br />and shower valves, shall ~e provided with air chambers <br />consisting of sections of pipe equal in size to the <br />risers supplying the openings, and to be not less than <br />l6 inche s long.' <br />"Section 24.30 Section 1005.1 is hereby added to <br />the Plumbing Code to read as follows: <br />It i section l005.l (a) A gate shutoff valve shall <br />be installed on each water supply system at any access- <br />ible point where said supply enters the building, and <br />on each apartment or dwelling of more than one family. <br />In lieu of a main supply shutoff in each apartment, <br />individual shutoff valves shall be provided at each <br />fixture. <br />" i (b) Wet and dry standpipes shall be constructed <br />of wrought iron or galvanized steel inaccorda~ce with <br />*Measured from top or floor flange to inner circle of vent. <br />-14- <br /> <br />. <br /> <br />T"'.-' <br />