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MW SELEMONFRO-ch U.-Rt <br /> 1. D eternhdne pump capacity: <br /> 4. Gravity distribution <br /> 2. Minimum required discharge is 10 gpm , <br /> 2. Maximum snggested'discharge is;45,gpa1. For other' <br /> establishments at least 140/6 gre;ter ftii the water supply rate, <br /> but nor faster than the rate at which efffiient will flow out of the <br /> distribution device. <br /> ►. Pressure distribution ' <br /> seepressure-distrz zitzon work sheet <br /> rom•A or B Selected'pump capacity: 47• gpm ; <br /> • Determine punxp head•requirements: <br /> Elevatio difference between pump and point of c'lischarge? ' • son treatment cyst <br /> eet & <br /> P'Int f ischar <br /> 0•'•90,aKq;:i <br /> Special head requirement?(See Figure at right:-Special Head Requi*=a I ts) total Ipe � <br /> vt' feet Wet 2A.Is <br /> Calculate Friction loss pipe, difference <br /> 1. Seldct pipe diameter ��O in --- � <br /> .......................... ...... <br /> 2. Enter Figure E-9 with gpm(1A or B)Ahd pipe diameter(Cl). <br /> Read friction loss in feet per 200 feet from FigureE-9'' S ectal -Head Requirements <br /> Friction Loss= 3,to ,ft/100ft of pipe ; Gravity Olstributlon o xt <br /> 3. Deteravne total pipe length from pwnp discharge to soil treatmeat� Pressure Dlstribtrtton 5 ft <br /> discharge point.Estimate by adding 25.percent to pipe length-for <br /> fitting loss. Total pipe length times 1.25=equivalent pipe length E_9� Friction Loss In Plastic Pipe <br /> ?_ .25 eet x 1 = 1,'-Z, feet Per 100 feat <br /> 4. Calculate total friction loss by multiplying friction loss(0) •• riomin-el <br /> in-ft/100 ft by,the equiyalentpipe•length(0)-and divide by 100. now rata 1•Alpe diameters <br /> 3•t� ft/,100ftx +100=_ 2 ft <br /> 211 311m <br /> Total head required is the sum of elevation difference (A),special'•' 2b 2.47 . 0.73 • 0.11 <br /> head requirements.($),and total friction loss(C4) 25 3.73 1.71 0.16 <br /> ' + 30 5.23 1.55 0.23 <br /> Total head: ' 'feet 35 6.96 2.06 0,30 <br /> 40 8.91 2.64 0,39 <br /> Pump selection 4; 11.07 3,28 0.48 <br /> 50 13.46 3,99 0.58 <br /> 55 4.76 0,70 <br /> 4 pump must be selected to deliver at least m " 60 5.60 0.82 <br /> ;1A or B) with at least �1' `.�l feet of total head (2D) 65 6.48 0.95 <br /> 70 1 7,44• 1,09 <br /> hereby certify that I hav •completed this work in accordance with applicable ordinance's, :rules and laws. <br /> �- (signature) _327 Ld____(Hi mse#Y) 3. I9•-04 <br /> (date) <br />