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e <br /> PUMP SELECTION PROCEDURE <br /> All boxed rectangles must be entered,the rest will be calculated. <br /> 1. Determine pump capacity: <br /> A. Gravity Distribution <br /> 1.Minimum required discharge is 10 gpm <br /> Z 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 soll t*0trr.-,qA1 tvftm <br /> W." <br /> Selected Pump Capacity: 65.6 gpm <br /> A.afevaVori.I <br /> 2. Determine head requirements: <br /> A. Elevation difference between pump and point of discharge. <br /> feet <br /> B. Special head requiremenrl(See k1gure-,Special Head(?equ"TeQt$)j,,,, <br /> feet h Special Head Requirements <br /> Gravity DisMbufio;'— Oft <br /> C. Friction loss Pressure Distribution 5ft <br /> 1. Select pipe diameter 0in <br /> 2. Enter Figure E-9 with gpm(1A or B)and pipe diameter(Cl) <br /> Read friction loss in feet per 100 feet from Figure E-9 <br /> Friction loss= 6.48 W 100 1 of pipe Flat 100 feet <br /> 3.Determine total pipe length from pump discharge to soilsystem discharge point ft1w WWx LT- 2' T <br /> Estimate by adding 25 percent to pipe length for fitting low. <br /> Equivalent pipe length times 1.25-total pipe length :'A7 IDr;;, 0,11 <br /> 1 85 lftxl.25= 106.25 feet <br /> A 214 <br /> 4.Calculate total friction km by multiplying friction loss(C2) io' 6 <br /> by the equivalent pipe length(C31 and divide by 100. +7.44-1 <br /> , <br /> FL= 6.48 fV100ft-:X 106.25 ft I 100= 6.9 feet 11 07 <br /> -13-40 3,99 05q* <br /> D. Total head requirement is the sum of elevation difference(A),special ................................. .6 <br /> head requirements(B),and total Ation loss(N). 0,82 <br /> 7 ft + 5 - It &9- ft ser614t, 01%9 <br /> Total Head: 18.9 feet <br /> 3. Pump Selection <br /> 1.A pump must be selected to deriver at least 66.6 gpm(1A or B) <br /> with at least 18.9 feet of total head(2D). <br /> I hereby certify,that I have completed this work in accordanc6 with all applicable ordinances,rules and laws. <br /> -AgZ�alok (signature) (ficensem 7,:P -3-d3(daW) <br /> ii <br /> 7 <br />