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PUMP SELECTION PROCEDURE <br /> boxed r�ecfangles must be eritered,the rest will be caiculated. <br /> 1 Determine pump capacity: <br /> A. G�avity Distribution <br /> 1.Minimum�equired discharge is 10 gpm <br /> 2.Maximum suggested discharge is 45 gpm <br /> For other establishments at least 10%greater than the water <br /> supply rate,but no faster than the rate at which effluent will flow <br /> out of the distribution device. <br /> B. Pressure Distribution-see pressure design worksheet �°p�nr ot���scna�y <br /> Selected Pump Capacity: 25 gpm �oicl p�pe ; <br /> �e�.��� ; <br /> �'� 2A.aEevo?lan; <br /> ir��e -----~ , d:('erencei <br /> 2 Determine head requirements: ���e <br /> A, Elevation difference belween pump and point of discharge. �� ! <br /> ;._ _ — __ � _.. <br /> 10 feet -_, .:;._ ; <br /> g, Special head requirement?(See Figure-Special Head Requirements) <br /> �feet Special Head Requirements <br /> Gravity Distribution Oft <br /> C. Friction loss Pressure Distribution 5ft <br /> 1. Select pipe diameter �in(insulate entire line) <br /> 2. Enter Figure E-9 with gpm(1 A or B)and pipe diameter(C1) •- �-•- � <br /> `.E-9:�Fri�6on Loss in P'lustic Pipc�' <br /> Read friction loss m feet er 100 feet from Figure E-9 ' pE;��{�p l�et <br /> Fric6on loss= �2 ff/100 ft of pipe : <br /> � narnirx�l <br /> � Ac:•rlamete.�r `.. <br /> 3.Determine total pipe length from pump discharge to soil system discharge point. �Row rolc� l.� 2" 3' � <br /> Estimate by adding 25 percent to pipe length for fitting loss. •c7Prri �� <br /> r�.... . •.---� <br /> E uivalent i length times 1.25=total pipe length ���� � ��Q� �� � r�.� <br /> 135 ft x 1.25= 168.75 feet !25 �3.7� 1.T 1 Q.1 b 3 <br /> ;�c �s.�.:; �.�� r•.�: <br /> ��s ;�.�� �.c� c.3a :` <br /> 4.Calculate total friction loss by multiplying friction loss(C2) �cQ �8 q� 2�a �a� k <br /> by the equivalent pipe length(C3)and divide by 100. � <br /> FL= 2 ft/100ft X 37.5 ft / 100= 0.8 feet �`s tl ` �' ?.�� C;.46 : <br /> R SC f 13 c1� 3.�? Q.59 : <br /> D. Total head requirement is the sum of elevation difference(A),special ;5� � 4,?5 Q.7�J E <br /> �6C: � 5.r;� G.t�2 ; <br /> head requirements(B),and total fnc6on loss(C4). <br /> 10 ft + 0 ft + 0.8 ft `f'� c.ds C.9� ; <br /> ',C � '.� :,�a ' <br /> Total Head: f0.8 feet <br /> 3. Pump Selection <br /> 1.A pump must be selected to deliver at least 25 gpm(1 A or B) <br /> with at least 10.8 feet of total head(2D). <br /> I reby ce ' that I have compl this work in acoordance with all applicable ordinances,rules and laws. <br /> (signature) �J�� pioense#) 3Jg�Z (date) <br />