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<br />"*No l/2" Horizontal <br /> <br />liThe sum of the drain outlets, using the total fixture <br /> <br />unit values, determines the size of the main waste. <br /> <br />II If the manufacturer gives the rate of flow per refrig- <br />erator unit, then the unit value (based on 7-1/2 gallons per <br />minute) may be used in lieu of drain outlet column.' <br /> <br />.. section 24.26 <br /> <br />Section 406 of the Plumbing Code is <br /> <br />amended to read as follows: <br /> <br />II.' Section 406 <br /> <br />(a) Each horizontal drainage pipe <br /> <br />shall be provided with a cleanout at its upper terminal: <br />and each such run of piping which is more than lOO feet <br /> <br />in length shall be provided with a cleanout for each <br /> <br />100 feet or fraction thereof, in the length of such <br /> <br />piping; provided, however, that excepting the building <br />drain and its horizontal branches, a cleanout shall <br /> <br />not be required on any such concealed or completely <br /> <br />enclosed pipe or piping which is above the first floor <br /> <br />of the building. <br />II I (b) ,Each change of direction of horizontal drain- <br />age pipe shall be served by a cleanout if such change <br /> <br />of direction exceeds 60 degrees from a straight line. <br /> <br />... (c) Each cleanout shall be installed so that <br /> <br />it opens in a direction opposite to the flow of the <br /> <br />soil or waste or at right angles thereto and, except <br /> <br />in the case of "wye" branch and end-of-line cleanouts, <br /> <br />shall be installed vertically above the flow line of <br /> <br />the pipe,. <br /> <br />II I (d) Each cleanout extension shall be considered <br /> <br />as drainage piping and each 90 degree cleanout extension <br /> <br />shall be extended from a "Y" type fitting or other <br /> <br />-11- <br /> <br />~"--",~---,~,---,---"",,,,'--''''-'--'-~' <br />, ", <br />