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. � � ' <br /> ' � PUMP SELECTION PROCEDURE <br /> All boxed rectangles must be entered, the resf will be calculated. <br /> 1. Determine pump capacity: <br /> A. Gravity Distribution <br /> 1.Minimum required 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 >o;i;�Ca�-nz�:,s•Y-s±e�-� <br /> $c ao?nt r�(disr.har�e <br /> �;t:+ <br /> Selected Pump Capacity: 23.9 gpm r°�"��p� ,�` , <br /> ;��:c,�';, . <br /> _.ry�.,y.�, Lfi.@tevc�fiotl� <br /> �r E � - ��- differ�.^.Ce( <br /> 2. Determine head requirements: verify h�NE �i � <br /> , .� r:i <br /> A. Elevation difference between pump and point of discharge. �� : <br /> ,:, , .; <br /> :, �. <br /> , :.. .......... <br /> 22 feet .,,,,,,.�::�,����fi- -..._........._.---- ----•- <br /> g. Special head requirement?(See Figure-Special Head Requirements) <br /> ��feet Special Head Requirements <br /> Gravity Distribution Oft <br /> C. Fnction loss Pressure Distribution 5fl <br /> 1. Select pipe diameter �in <br /> 2. Enter Figure E-9 with gpm(1 A or B)and pipe diameter(C1) E-9':f�iC��0.�S�t Plt�C P�p� <br /> Read fnction loss in feet er 100 feet from Figure E-9 ��1���� <br /> Friction loss= �1 ftl 100 ft of pipe ���! <br /> � �e c�dmet�r <br /> 3.Determine total pipe length from pump discharge to soil system discharge point. k���� �.� � �� <br /> Estimate by adding 25 percent to pipe length for fitting loss. �� <br /> Equivalent ipe length times 1.25=total pipe length �2� �'�� ���� Q��� <br /> 230 ft x 1.25= 287.5 feet ��� ��.7; �,I1 O.lb <br /> �;Q �5.2: 1.� �.23 <br /> �'S 5.96 2.l�i 0.3� <br /> 4.Calculate total friction loss by multiplying friction loss(C2) ���} �,9T 2.� tJ.3� ' <br /> by the equivalent pipe length EC3)and divide by 100. �Q� i��� ��� �Qa <br /> FL= 1 ft/100ft X 287.5 ft I 100= 2.9 feet � ���� 3� �� <br /> D. Total head requirement is the sum of elevation difference(A),special ��'' �'�'� �'� <br /> head requirements(B),and total friction loss(C4). ��� ! ��� ���� <br /> 22 ft + 5 ft + 2.9 ft ��� � �,*.4d. �.�. � <br /> Total Head: 29.9 feet <br /> 3. Pump Selection _ <br /> 1.A pump must be selected iver at least 23.9 gpm(1 A or B) <br /> with at least 29.9 fe of total head(2D). <br /> I hereby certify I v co leted this work in accordance with ail applicable ordinances,rules and laws. <br /> � (signature) 2656 (license#) 7-8-08 (date) <br />