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T PxJMP SEZECTIOfi7-FROEE'D E <br /> I. D ete?rm rte pump capadty: <br /> Gravity distribution <br /> 1. ,Minimum.;equired discharge is 10 gpm <br /> suggested'discharge is 45,gpm. For other <br /> 2. Maximum <br /> estabUshUIWV s at:least 10 o'g a te;t3taat the wafter supply rate, <br /> but no faster 01M the rate at iivhi..ch effluent will flow out of the <br /> dlsttfbution device. <br /> j3.-'Prossure clistAbut161ii <br /> See.pressure distnUtion work sheet <br /> gpm <br /> From'A ar B:SeIeEted'pump capadty:- = <br /> 2..Determine pump headrequirements: <br /> son treatment system <br /> A.Elevatiokl difference between pump ad point of discharge? &P f Ischarge <br /> eet i <br /> B.Special head requirement?(See Figure at'right-Special Head Requu'ements) <br /> itot Pe <br /> 2A.elevctlon <br /> S _deet Inlet difference <br /> P" <br /> C. Calculate Friction loss •, . . . ....... .. <br /> i' a diameter' - .....`�u� <br /> 1. Select•p'P ' ........................... .. <br /> 2, Entier FigureE--9 with SpM(1A or B)*and pipe diameter(C1). <br /> S edral'Hiad Requirements <br /> Read friction loss3a feet per 100 feet irt�m Figure E-9' 0�t,Dist button 0 ft <br /> Fria cdl;Oss=•a=Sa..:j-ft/•300ft of pipe ' Pressure Distdlutlon 5 ft <br /> 3. Determine total pipe length from pump disdwge to soil treatment ., <br /> discharge point.Estimate by adding 25 percent to pipe length for <br /> fitting loss.Total pipe length tunes 1.25=equivalent pipe length -�Fdction Lass.ln:Plastic Pipe <br /> ell <br /> _)_,feet z 1.25' Per-100 feet <br /> 4. Cakubte total friction loss by multiplying friction loss(0) riotninai <br /> pipe diameter <br /> in ft/100,ftby...the equiyalent., ipe length(C3)and divide:by 100. flow rate 1.5" 2" 3" <br /> ea. ft/100ft x _+100= m <br /> D. Total head required is.the sum of elevation difference(A),specig" 2:47 0.73 0.11 <br /> and•total friction loss(C4) 25 ' 3.73 1.11 0.16 <br /> head requirements.($), 30 5.23 1.55 0.23 <br /> 6.96 :.2.06 0.30 <br /> Total head:_` ) eet 40 8.91 . .2-64 0.39 <br /> 45 : 11.07 3.28 0.48 <br /> 3. Puu p Selection 60 '. 13A6 3.99 0.58 <br /> 4.76 0.70 <br /> A pump must be selected to deliver at least '- 0 *gpm � 60 5.60 0.82 <br /> (1A or B)with at least a 1. feet of total head(2D) 65 • 6.48 0.95 <br /> 70 . 7.44• 1:09 <br /> " ' applicable ojdinapces,*rules and laws. <br /> I he eby certify that.I aave ompleted.this work tri accordance vyith <br /> ire �L . {license#) . S 4s-U (date) <br /> moi. (si.>� ) <br />