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Pump Selection Design Worksheet`' <br />1. PUMP CAPACITY <br />1. Pumping to Gravity Distribution <br />A. Minimum discharge is 10 GPM (15 GPM recommended) 15 GPM <br />" <br />B. Maximum discharge is 45 GPM. <br />2. Pressure Distribution - See Pressure Distribution Worksheet <br />Required Flow Rate (Line 20 of Pressure Distribution Worksheet) 15 GPM <br />2. HEAD REQUIREMENTS <br />' 6 point of disdiar90 <br />3. Elevation Difference 12 ft swain° sir <br />- <br />- <br />between pump and point of discharge: ^Dat vire urrarun% <br />d xxrce <br />T <br />Table I <br />I rv„ ----------------- <br />Friction Loss in Plastic Pipe <br />per 100ft <br />4. Distribution Head Loss: ft Distribution Head Loss <br />Nominal Pipe Diameter <br />Gravity Distribution = Oft Flow <br />Rate <br />1 11441yr <br />2 <br />3 <br />Additional Head Loss: ��ft Pressure Distribution based on Minimum Average Head <br />(GPM) <br />(due to special equipment, etc.) Value on Pressure Distribution Worksheet: <br />10 <br />5.51 1.45 0.69 <br />0.20 <br />Friction Loss 1 ft = 5ft <br />12 <br />7,72 2.03 0.96 <br />0.28 <br />5, Supply Pipe Diameter: 2.00 Inches 2ft = 6ft <br />14 <br />10.27 2.70 1.28 <br />0.38 <br />6. Based on Friction Loss in Plastic Pipe per 100ft from Table 1: 5ft = loft <br />16 <br />13.14 3.46 1.63 <br />0.48 <br />Friction Loss = 0.48 ft per 100ft of pipe <br />18 <br />4.30 2.03 <br />0.60 <br />20 <br />5.23 2.47 <br />0.73 <br />0.11 <br />7. Determine Equivalent Pipe Length from pump discharge to soil dispersal area <br />discharge point. Estimate by adding 25% to supply pipe length for fitting loss. <br />25 <br />7.90 3,73 <br />1.11 <br />0.16 <br />Supply Pipe Length X 1.25 = Equivalent Pipe Length <br />30 <br />- 11.07 5.23 <br />1.55 <br />0.23 <br />Supply Pipe Length: 105 ft X 1.25 = 131.25 ft <br />35 <br />14.73 6.96 <br />2.06 <br />0.30 <br />8, Calculate Supply Friction toss by multiplying Friction Loss Per 100ft (Line 6) by the <br />40 <br />- 8.91 <br />2.64 <br />0.39 <br />Equivalent Pipe Length (Line 7) and divide by 100. <br />45 <br />11.07 <br />3.28 <br />0.48 <br />Supply Friction Loss = <br />0.48 ft per t00ft X 131.25 ft 100 = 0.63 ft <br />50 <br />13.46 <br />3.99 <br />0.58 <br />10, Total Head requirement is the sum of the Elevation Difference (Line 3), the Distribution Head <br />55 <br />- <br />4.76 <br />0.70 <br />Loss (Line 4), and the Supply Friction Loss (Line 8) <br />60 <br />5,60 <br />0.82 <br />12 ft Ift * 1 ft <br />65 <br />6.48 <br />0.95 <br />70 <br />7.44 <br />1.09 <br />Total Head Required: 13 ft <br />3. PUMP SELECTION <br />A*pump must be selected to deliver at least 15 GPM (Line 1 or Line 2) with at least <br />13 <br />feet of total head. <br />I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and taws. <br />Michael J Jungbauer G -v �$$ L3227 <br />October 3, 2011 <br />(Designer) (ignature) (License #) <br />(Date) <br />