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M <br />NUMBER SETS = ML +1 = ( - 1 -1 = sets per field <br />Sm ( 60 ) <br />* Use multiples of 60ft. Note this lenght may be shorter if 60 ft swing lines are used. <br />MAINLINE CAPACITY <br />(Manifold) <br />MAIN, LINE CAP.= ( #HEAD REQ'D 1 151) X (NOZZLE FLOW (GPM) {16)) <br />X ( #SIDEROLLS { 15a}) <br />_ ( X( )X� 1 <br />GPM = GPM = CFS <br />TOTAL SIDEROLL PRESSURE REQURIED: <br />• TOTAL PRESSURE. REQUIRED = MPS + (SWING LINE LOSS + RISER, <br />HYDRANT AND STUB VALVE <br />LOSS) <br />2psI ) <br />Total = ( ) psi req. at beginning of sideroll riser (22) <br />Main Line Head Loss per I00ft. <br /># siderolls (15a)= <br />gpm per sideroll (20a) = -Pin <br />Mainline material & Diameter <br />Length of Mainline Pipe <br />Hazen Williams "C" factor <br />Friction Loss ft/100 (chart) <br />(21) <br />(L) <br />( <br />u <br />