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PUMP-SELECTION PROCEDURE <br /> A Pump capacity <br /> Already--determined froiwPfcE --D PAGE, line#7 <br /> .Purnp.cep"- _ 38- .. <br /> p:wPacity should-be-betweer. 20.ar4&41•-GPMt for charging.a manifold <br /> or for pumping to a gravity situation, ie, a drop box or distribution box., - <br /> B. Dila- requirements <br /> 1. between pump and,the poit.of discharge = �. <br /> 2. If pumpinT-tcr a=pressure distr,enrj: feet of head required at the <br /> rnanifotcf. If purrtpirtg to a gravity.: yrs , use zer�a feet of bead. 5- <br /> 3. Determine friction loss <br /> a. •Eriftr-ft icbon-loss table vitt gom 38 andpipe diameter- 2.0. <br /> -fRlCrt(w tow*M PLASM PPE <br /> .FL-OW-PATE *OMK41 PIPE DAMMER LOW RATE NOMIML-PtPE DMUER <br /> at GPM 4:5 2 . -3 4N GPW 15 2 3 <br /> 20 2.47 0.73 041- 35- _6.W 2.06 0.30 <br /> 25 3-73 1.11 X18- 40•- &81 2.64 0.39 <br /> 30n. 5.23 155. t?23._. 45_ 11.07 3.28 DAB <br /> Frictibn4oss 2:5 f pe"DO fF of pipe- <br /> tr. DeteFrr�ine total pipe ler t frim p p o t ischarge point = 'Fwb <br /> Adder=to p"tpe length•at3ove_#o- rtt-W*tt figAoss = 1 a7__5_ feet pipe <br /> c. Calculate total friction loss by multiplying friction loss in ft/100 133a by <br /> equivalent pipe length B3lD:a bc" _ <br /> 2.50 X 487.54 -.equals. -,488.75 / 100 - 4.7 ft head <br /> C. Total head-required is the sum-Qfthe-ehMatiGMtffler48nce-B1 plus additional pressure <br /> for the manifold B2 plus the total friction loss 313c. -- <br /> 9:0 p4US 5.0 -phis-- 4.7 equals 18.7 ft tots[head <br /> -D. The,-Pump-regdfres 37.7 -gpm and- -48.7 -feet-of-head <br /> PAGE 9 of- 17 2849 Watertown Road, Orono <br />