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•\ <br /> • <br /> . Determine p• • p capadtyt <br /> I. Minima suggested Ii 600 gallons per hour(10 gpm)to stay*heed of <br /> • <br /> • water . rate. . 1 <br /> I 2. Maxim suggested for delivery to a drop'box of a home system!!2.700 <br /> gallons • - hour(41 gpm)to prevent build-up of pressure In drop box. <br /> 3. Use valuCTHdesD PUMP GPA tribudon System. 00 -..P -).; ti , - <br /> •• <br /> ...�..__spat - Nosiest* • <br /> I <br /> A. Determine he • requlrementsr • F <br /> • <br /> .1. Elevation difference between pump and point of dl+cttarge. <br /> Elevation but <br /> 2. If pum• if io a Maury distribution system.add Ave feet for pressure 13 -# <br /> required t manifold --,'S. • <br /> •feet • <br /> Pitt.... <br /> ' 3. Frktion 1 ss . l-7 beds Lo inch = <br /> a. Enter ctlon loss table with gpm and pipe diameter. •5/o7f /71 133121Media t r.►�Rondo <br /> . Read ctlon loss In feet per 100 feet from page F-18. � ,� 10 0.69 0.20• <br /> F.L c :,41/ [t./100 ft of pipe .0 ,�,.�;�. 12 0.96 o:�a <br /> b. Lie !vee total pipe length from pump to discharge 16 1.63 0.48 <br /> pot, -- '?ri percent to pipe length for fitting 11 2.03 0.60 <br /> I �;e a fitting loss chart. Equlvalentpipe 20 3.47 0.73 <br /> length 1.25 times pipe length• � 330 25 5.23 1;; <br /> `c z 1.25• .,..s.: feet It 7.90 <br /> c. Calcul to total friction loss by multiplyingI �> �± <br /> 73 3.23 <br /> frictio loss In ft/100 ft by equivalent pipe length./ ( So 3.99 <br /> . Total fricti it loss a =50 x `� _4•100• ' feet 35 • 4.16 <br /> 4. Total hes required is the sum of elevation difference, 60 3•60 <br /> special h d requirements,and total friction loss. ' <br /> • (1) (2) 1�3e1 i <br /> ••J <br /> TOTAL HEAD � feet , <br /> ' C. Pump selectio <br /> 1. A pump must ' selected to deliver at least�' gpm (Step Al with at least D-7 <br /> 2.L feet of to al head(Step B). OTIONMITI meet rum, at aauoP. <br /> t a <br /> tyre a woe: <br /> D. Total Pumpou Volume • ' ' <br /> rec <br /> • <br /> Soo <br /> ' 1. To maximize • mp life select sump size for 4 to 5 pump operations per day. . �_ _ ,' g: <br /> gpd /L.gallons per se is` <br /> ' � �' �'4• �' dose - - MI, •ee h- <br /> . 2. Calculate drain•ack r • luso - Ivo 3n <br /> . 1. Determine to I pipe length 5 feet. a cavo Sri do: <br /> 2. Determine Ilq Id volume of pipe,J gallons per 100 feet. (see page F-lA) . F-18a <br /> 3. Multiply lengt by volume: Dralnback quantity• <br /> feet x 1.7 gallons/100 ft.• gallons. -� o <br /> oue <br /> I .Suggested dtalnbec quantity'--10 percent of pumped quantity. A target dtainbadt 1.25 7. <br /> percentage will d - pump station efficiency slightly but pumping energy coats are <br /> • <br /> usually a relatively a II pert of the total household energy costs. . <br /> 3. Total ump out •lume equals dose volume♦dralnback 2.5 24 <br /> _/ ,•gallons per dose+_.3 gallons••_15;1_Total Gallons 3 38 <br /> ,)44 66 <br />