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A. Dettr11ine pumP capadty' <br />Do rrnraurlm OF • ►UroMT1<D LI.Ttn•L <br />Gravity Distributionallons r hour (10 gpm) to stay ahead of <br />is 600 per <br />`" <br />Minimum suggest g <br />*....' <br />water use rate. tem is 2,70(} <br />suggtsted for delivery to a drop box of a home sys <br />in drop x• <br />ti �,,. ,. o0 ".. tirr (. <br />•. �,.•. �w LAW r.. <br />2 Maximum <br />gallons per hour (45 gpm) to prevent build-up of pressure <br />w, <br />hesaure Distribution <br />Select number of perforated laterals <br />LOWC. <br />3. A. f_. <br />b. Select perforation spacing - <br />rock layer length. <br />one S"1 <br />S.Ibtract 2 ft. from the <br />Perforations. <br />the number of spaces between PelOnS <br />TABLE CF r'�R► l7��� <br />d Determine � <br />Length perf. spacing = <br />l .a F.+ior•dm dl+m.w w,ch.a <br />e. - � "+ 1 = perforations/lateral <br />lateral by number of laterals to <br />1/2 1/. <br />f. Multiply pe'foranons Pa <br />total number of perforatiom <br />074 <br />get <br />perforatiorLS <br />r. x d <br />lA. as4 <br />Q90 <br />13 <br />101 <br />g. i� x r+i �� BPrr` <br />2A <br />23 039 1.17 <br />3D 0-% 12i <br />SELECTED PUMP CAPACITY 4� gP <br />1.0 <br />4.0 1.13 1.17 <br />5.0116 <br />aU..1.0 boot of h d I--.id-1W <br />ischarge <br />D. Detera+ine head rcquirments int of discharge- <br />and p° <br />" E"t of t+..d other �t <br />1 Elevation differerce between_ feet <br />__i2_ <br />to a pressure distribution system, add five feet for pressure <br />2 1f pumping <br />required at manifold S feet <br />pipe L-Sth <br />- <br />Point of Di+chars! <br />3. Friction lossimeter. <br />friction loss table with gp a a diameter <br />a. Ener <br />Bead friction loss in feet per �m <br />Elevation Differcro= <br />11�p <br />F.L ft./100 ft of pipe m to discharge <br />b Determine total pipe t n pipth e for fitting <br />Add 25 p pe <br />P -18b <br />point. pacer <br />use a fitting loss chart. Equivalent Pipe <br />1s iach 20 inh 3.0 inch <br />loss. or <br />len : <br />testgth -125 � x 125 , 2f feet <br />nyw�..r..lmn.rr+r <br />0.20 <br />a Calculate total friction loss by multiplying <br />10 0.69 <br />12 0.96 031 <br />14 1.21 0� <br />friction loss in ft/100 ft by equivalent (" Pt ;100 - _ -� ft <br />x �- <br />16 1.63 0 0 <br />203 0.60 <br />Total friction loss- <br />fired is the sum of elevation difference, <br />I1 <br />20 247 0.73 0.11 <br />hesd <br />and total friction loss <br />6, Tosedial <br />2: 3.73 1.11 0.23 <br />head requirements <br />133 0.30 <br />335 0 <br />V <br />4 + �� + <br />790 206 0.39 <br />40 11.07 0.41 <br />_ <br />lav <br />41 14.73 <br />399 OSs <br />Z'4.76 <br />TOTAL HEAD -feet <br />so 0.70 <br />60 360 0.32 <br />C, pemnp selection eL Spm (Step A) <br />1. A pump must be �e`� to deliver at least <br />with at least feet ar total head (Step B). <br />