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1 V1V11 J�L�\..11V1�1 11�VL.L+LV1\L <br /> 1. Determine pump capacity: <br /> A. Gravity distribution <br /> 1. Iviinimum required discharge is 10 gpm <br /> 2. Iviaximum suggested discharge is 45 gpm. For other <br /> establishments at least IO%greater than the water supply rate, <br /> but no faster than the rate at which effluent will flow out af the <br /> distribution device. <br /> B. Pressure distribution <br /> See pressiire distribiction zvork sh�et <br /> From A or B Selected pump capacity: 3 � gpm <br /> 2. Determine pump head requirements: <br /> soil treatment stem <br /> A. Elevation difference between pump and point of discharge? &point of dischorge <br /> �7 7C�Q�Q� <br /> f 3 feet <br /> - totol pipe <br /> B. Special head requirement? (See Fi�ccre c�t right-Specinl Hrad_Requirenre�tts) length <br /> � feet 2A.elevation <br /> inlet e.`"``' ':'� ditference <br /> C. Calculate Friction loss ��e � � <br /> - <br /> ' �----�-�--�--...... : <br /> 1. Select pipe diameter 3 � ;� ��. --------------------------- ------� <br /> 2. Enter Figur�E-9 with gpm (lA or B) and pipe diameter(Cl). - <br /> Read friction loss in feet per 100 feet from Fib re E-9 Special Head Reguirements <br /> '3�' ft/100ft of pipe Gravity D+stribution 0 ft <br /> Friction Loss = � Pressure Distribution 5 ft <br /> 3. Determine total pipe length hom pump discharge to soil treahnent <br /> discharge point. Estimate by adding 25 percent to pipe length for <br /> fitting loss. Total pipe length times 1� =equivalent pipe len�th E-9: Friction loss in Plastic Pipe <br /> f � feet x 1?5 = �zS feet Per 100 feet <br /> 4. Calculate total friction loss by multiplying friction loss (C2) nomina! <br /> in ft/100 ft b,y the equivalent pipe length (C3) and divide bv 100. pipe diameter <br /> - flow rate 1.5" 2" 3" <br /> - . 34 ft/100ft x �2-� =1�= 1 ft m <br /> D. Total head required is the sum of elevation difference (A},special 20 2•47 0.73 0.11 <br /> head requirements(B),and total friction loss (C�) 25 3.73 1.11 0.16 <br /> )3 ft+ � ft+ j ft= 30 5.23 1.55 0.23 <br /> 35 6.96 2.06 0.30 <br /> Total head: =feet ao a.9� Z.ba o.39 <br /> 45 11.07 3.28 0.48 <br /> 3. Pump selection 50 �s.ae 3.� 0.58 <br /> � a.�e o.�o <br /> A pump must be selected to deliver at least���,Q,vm bp 5.60 0.82 <br /> (lA or B) with at least_ J�feet of total head (2D) �5 6.48 0.95 <br /> 70 7.44 1.C9 <br /> I hereby certi hat I have mgleted this work in accordance with applicable ordinances, rules and laws. <br /> �, �S�1 (license#) d 4 �-/ p9 (date) <br /> (si;nature) <br />