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A. Determine puaip capadty: <br /> Gravity DiatribuHon <br /> 1. Minimuat suggested is 20 gpat <br /> 2 MRxinittal5uggested iS 4S gj7II1 Petforatlan Ditctu=gn!n GPM <br /> Had Perforadon dlameter � <br /> Prasure Distibution f� �"}'�' <br /> 3.a. Select number of perforated laterals____3_ 7 32 1 4 <br /> b. Select perforatIon spacing�3-fttt. lA� 0.56� 0.74 <br /> c. Subtract 2 h.from the rock layer length. i.s o.� 0.90 <br /> 20b 0.80 1.04 <br /> ,�r,��-2 ft m�f at ' <br /> d. Detera�ine the nuatber oE spaces between perforations. a U�1.o tooc dagle homa. <br /> Length perf.spadng��ft.+��•�-spaces <br /> b Uie 20 teet for anythlag e1u. <br /> e. �.spaces+1 a � _Perforatlona/lateral <br /> f. Multlply perfonttons per lateral by number of laterals to �l����,� . <br /> get total number of perforattons. �. x .�s�.�perfora ons. <br /> g. � x�=y3 BYm. <br /> SELECTED PUMP CAPACTIY , �� gp� <br /> B.Determine head requis'emenb: <br /> 1, Flevation differerce between pump arid point of discharge. <br /> �,_feet <br /> soU a..m�au�y�am, <br /> 2, If pumping to a pressure dis�ution system,five feet for pressuze <br /> required at maaifold if gravity system,zero. �°� �`' <br /> ,_s�_fee t 'a�a�.k'�'' <br /> 3. Frlction loss <br /> a. Enter friction loss table with gpm and pipe die�meter. . . d.r.�+an,�+« <br /> Read frictior►loss in feet per 100 feet from table(F-14). a�' ,,,,,,, , <br /> F.L.a.=!t/100 ft of pipe ' <br /> ..................................... ��u , <br /> b, Det�era�ine total pipe length hom pump to dischazge <br /> point Estimate by ndding 25 percent to pipe length for fitting <br /> loss,or use a 6cting losa chart(F-15,_�eet). <br /> Equivalent pipe len -1.25 times pipe length� � ' � <br /> x l.0=-�-.-Ee�t Friction Loss in PlastiC Pi e <br /> c. Calculate total friction loss by multiplying <br /> friction loss in ft/100 h by equivalent pipe length. � No� <br /> feet P� <br /> Total friction loss� �X-�-�--*100 a�_ Flow Rdte 1S� 2� 3� <br /> 4. Total head required is the sum of elevatlon differer►ce, �� <br /> special head requiremenb,and total hictton loss. <br /> 20 247 0.73 0.11 <br /> � .� �' _+ 3 _ 2S 3.73 1.11 0.16 <br /> • (1) (2) (3c) 30 5.23 1.55 0.23 <br /> 35 6.96 206 0.30 <br /> 40 8.91 264 0.39 <br /> TOTAL HEAD �feet 45 11.07 �3.28 0.48 <br /> 50 13.46 3.99 0.58 <br /> 55 4.76 0.70 <br /> C, pump selection 60 5.60 o.s2 <br /> 65 6.48 0.95 <br /> 70 7.44 1.09 <br /> �:: <br /> 1. A pump mu.st b'e:selected to deliver at least � <br /> ,��_gpm (Step A)..with at.least ��'''�' feet of total hea�i (Step B). <br /> � <br />