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WIZSLLLCMN PRI)CEDURE- <br />A. Determine pump capacity: <br />Gravity Distribution <br />1. l0inimum suggested is 600 gallons per hour (10 gpm) to stay ahead of <br />water use rate. <br />2. Maximum su�ivcry to a drop box of home system is 2,700 <br />gallons per ho L(45 gpm) l Frevent build-up of pressure in drop box. <br />Pressure Distibution <br />3. a. Select number of perforated laterals _ <br />b. Select perforation spacing = feet <br />C. Subtract 2 fL from the rock layer length. <br />- 2 If: -' feet <br />d. Determine the number of spaces between perforations. <br />Length perf. spacing = _ ft.4----ft--- spaces <br />C. _spaces+ 1 = - = perforatiotsllateral <br />f. Niultiply perforations Tier lateral by number of laterals to <br />get total number of perforations. u, x t��_ perforations. <br />g' --"Ww x a .t:.i -- 9pm- <br />SELEM'D PUMP CAPACITY 4 ' gpm "Ak . <br />B. Determine head requirements: <br />1. Elevation difference between pump and point of discharge. <br />IS-- feet <br />2. If pumping to a pressure disWbutlon system, five feet for pressure <br />mluired at manifold if gravity system, zero. <br />feel <br />3. Fnction loss <br />a. Enter friction loss table with Rpm and pipe diameter. <br />Read fnction loss in feet per 100 feet from table. <br />F.L. = ' •- ^ r ft./ 100 ft of pipe <br />b. Determine total pipe length from pump to discharge <br />point. Add 25 percent to pipe length for fitting <br />loss, or use a fitting loss than. Equivalent pile <br />length - 1.25 times pipe length = <br />x115=_vs._feet <br />c. Calculate total friction loss by multiplying <br />friction loss in, ft/ 100 ft by equivalent pipe length. <br />Total fnction loss = '� `/_ x J 0 L-• l()0 = v feet <br />4 Total head required is the sum of elevation difference, <br />sp(etal head r quirenwnts, and total friction loss. <br />--1 S - + - --- ' 3 <br />(I) (2) (30 <br />(. i Al. Ill_\D _ _ Icct <br />C. I'untp selection <br />1. A pump trust be selected to deliver at least <br />ti a_),pm (Step A) with at least _i`d_ feet of total tread (Step l3). <br />1-A -C <br />F-17 <br />[Y` r(AFOnAT!f)r tr . 11WO ATID LArraM <br />Rrquurd Pertoranon tftuhT <br />u! p alma per nunu!r (Rpml <br />lase harge <br />069 <br />020 <br />(len) <br />12 <br />0.96 <br />I.Oa <br />0.56 <br />0.74 <br />2.Ob <br />0.80 <br />h(ti.I <br />� w \w.• <br />b. Use for all ether appliranots <br />0A8 <br />18 <br />Rrquurd Pertoranon tftuhT <br />u! p alma per nunu!r (Rpml <br />lase harge <br />069 <br />020 <br />(len) <br />12 <br />0.96 <br />I.Oa <br />0.56 <br />0.74 <br />2.Ob <br />0.80 <br />1.04 <br />a. Use for single famil% l:^:nes <br />b. Use for all ether appliranots <br />I Pipe Length <br />Point of Discharge <br />T /o b <br />lacvaunn bdferenee <br />f'wnP ii <br />f -18b <br />1.5 Inch 2.0 inch 1.0 inch <br />rpm F.w, k- P. bund 1-1- <br />10 <br />069 <br />020 <br />12 <br />0.96 <br />0.28 <br />11 <br />1.28 <br />0.38 <br />16 <br />1.63 <br />0A8 <br />18 <br />2.03 <br />0.60 <br />20 <br />2.47 <br />0J3 <br />U.11 <br />25 <br />3.73 <br />1.11 <br />0.16 <br />30 <br />5 23 <br />1.55 <br />0.23 <br />35 <br />790 <br />2.06 <br />0.3() <br />t:.;i <br />OaS <br />50 <br />3.99 <br />0 58 <br />55 <br />4.76 <br />0.70 <br />60 <br />5.60 <br />0.82 <br />