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. . <br /> PUMP SELECTION PROCEDURE <br /> All boxed rectangles must be entered,the rest will be calculated. <br /> 1. Determine pump capacity: <br /> A �ravily Diatribution <br /> 1.Minimum required discha�ge is 10 gpm <br /> 2.Ma�dmum 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 � �i t��otme�t SY�r�, <br /> &pdni of�scharge <br /> 'i.t7fF:11i.ltti:: <br /> Sels�ed Pump CaPacitY: �gpm rotoi�pe <br /> length <br /> 1n1e1 , 2A.elevatlon <br /> 2. Determine head requirements: • p;� ;; � difierence <br /> �� ---- - � <br /> - - <br /> A. Elewatron differe�ce between pump and point of discharge. ,, ___ _ ' <br /> 14 feet !� -------------------•------ ------ <br /> g. Speci�head requiremenY?(See Figwe-Special Head Requirements) <br /> �5 feet Special Head Requi�ements <br /> Gravity Distribution Oft <br /> C. Friction bss Pressure Distribution 5ft <br /> 1. Sel�t pipe diameter �2 in <br /> 2. Enter Figu�e E-9 with gpm(1A or B)�d pipe diameter(C1) <br /> Read fiiction loss in feet 100 feet irom Figure E-9 E-9 Frktion Loss in Plaatic Pipe <br /> FricUon loss= 2.64 fl/100 ft of pipe per 100 R <br /> nominal <br /> 3.De�ermine bt��pe lenglh irom pump discharge to soil system discha�ge panL Fbw Rate ' di�ter <br /> Esbma�e by adding 25 percent to pipe�ngth for fitbng loss. gpm 1.5' 2.0' 3' <br /> E uq ivalent pipe length times 1.25=totat piPe len9th 20 2.47 0.73 0.11 <br /> 62 ft x 1.25= 77.5 feet 25 3.73 1.11 0.16 <br /> 30 5.23 1.55 0.23 <br /> 4.C�culate total fiction loss by multiplying fiction loss(C2) 35 6.96 2.06 0.3 <br /> by the equivalent pipe length(C3)and divide by 100. 40 8.91 2.64 0.39 <br /> FL= 2.64 ff/100R X 77.5 ft / 1�= 2.0 feet 45 11.07 3.28 0.48 <br /> 50 13.46 3.99 0.58 <br /> D. Total head requirement is the sum of elevation difference(A),special 55 4.76 0.7 <br /> head requirements(B),and total fiction loss(C4). 60 5.6 0.82 <br /> 14 ft + 5 ft + 2.0 ft 65 6.48 0.95 <br /> 70 7.44 1.09 <br /> Total Head: 21.0 feet <br /> 3. Pump Selection <br /> 1.A pump must be selected to deliver at least 38 gpm(1 A or B) <br /> with at least 21.0 feet of total head(2D). <br /> I hereby oertify that I have completed this uirorlc in a000Mance with all applicable ordinanoe.s,rules and laws. <br /> (signature) 810 (lioense#) d� (date) <br /> Page 1 of 1 <br />