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� � � PUMP SELECTION PROCEDURE <br /> All boxed rectangles must be entered,the resf will be calculated. <br /> 1. Determine pump capacity: <br /> A. Gravity Distributlon <br /> 1.Minimum required discharge is 10 gpm <br /> 2.Maximum suggested discharge is 45 gpm <br /> For other establishmeet�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 disUibution devioe. <br /> B. Pressure Distribution-see pressure design worksheet ��+�t�eat.T�e�,r;ys+e�n <br /> d�poin�of dischorge <br /> Selected Pump Capacily: 46.6 gpm ������'�e <br /> fe��c,�t!, <br /> . �'�, 2A.e�evatlon <br /> iniel_.,,s..�--'= U�fferenCe <br /> 2. Determine head requirements: �,��7e� �� ;; <br /> �. <br /> A. Elevation difference between pump and point of discharge. �; <br /> �: _ .._ <br /> 19 feet � ,_. <br /> g, Special head requirement?(See Figure-Special Head Requirements) <br /> Ofeet Special Head Requirements <br /> Graviry Distribution Oft <br /> C. Friction loss P�essure Distribution 5ft <br /> 1. Select pipe diameter �2 in <br /> 2. Enter Figure E-9 with gpm(1A or B)and pipe diameter(C1) _ .. <br /> Read fridion loss in feet er 100 feet from Figure E-9 �'Qµ����'��s iti PI�Stie Pf� <br /> Friction loss= 3.28 ftl 100 ft of pipe P�r���`�� <br /> rx�rrrinncyi <br /> F�lpc�[icvrtelel <br /> 3.Determine total pipe length from pump discharge to soil system discharge point.���w rat� 1.5" 2' 3' <br /> EsUmate by adding 25 peroent to pipe length for fitting loss. ��r--�H---���--.�---�--.° ' <br /> E uivalent i e length times 1.25=total pipe length �2� �'47 Q'�� Q'�� <br /> 145 ft x 1.25= 181.25 feet �`� �.7�'+ 1.11 ' 0.16 <br /> �0 5.2; 1.55 0.23 � <br /> 4.Calculate total friction loss by multipiying friction loss(C2) �� �.`?4 2.R6 Q.30 <br /> d0 8.91 �.6A: Q:34 <br /> by the equivalent pipe length(C3)and divide by 100. �� 11.Q? 3,28 0.48 <br /> FL= 3.28 fU100ft X 182 ft / 100= 6.0 feet <br /> 5d 13.Ab 3,44 0.56 <br /> D. Total head requirement is the sum of elevation difference(A),special �5 A,76 Q.70 <br /> head requirements(B),and total friction loss(C4}. 40 5.60 0.8?. <br /> �g {� + 5 ft + 6.0 ft �� 6•48 4.4b <br /> 7Q 7.4� i.Q� <br /> Total Head: 30.0 feet <br /> 3. Pump Selection <br /> 1.A pump must be selected to deliver at least 46.6 gpm(1A or B) <br /> with at least 30.0 feet of total head(2D). <br /> I hereby certify that I have completed this work in acoordance with all applicable ordinances,rules and laws. <br /> (signature) �2� (license#) �Y���(date) <br />