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�.,.�A,R,�>�,..F�,� <br /> . Pump Selection Design <br /> Minnesota Pollutian Worksheet �:,������ . <br /> Controi A enc <br /> 1. PUMP CAPACITY <br /> 1. Pumping to Gravity Distribution <br /> A. Minimum dixharge is 10 GPM(15 GPM recommended) ��GPM <br /> B. Maximum discharge is 45 GPM <br /> 2. Pressure Distribution <br /> 0 Individual SSfS �Collection Syslem <br /> Required Flow Rate (Line 11 of Pressure Distributio�or Line 10 of Non-Leve() 28,0 GPM <br /> C. Distribution to: ❑Soil Treatment Unit ❑Media Filter ❑ATU ❑Other <br /> 2. HEAD REQUIREMENTS <br /> oi treatment rysrem <br /> 3. Elevation Difference �ft &point ot dis<haryc <br /> � , � , <br /> between pump and point of discharge: <br /> ��y����!`�=.,.� <br /> .��-""� _ <br /> NOTE:IF rystem is an individual subwrface sewage treotment niet pipe m ''�� Ekvation%�' <br /> rystem,comp(ete steps 4-9. !f rystem is a Co(lection System, __ _ I d+rre��ce <br /> skip steps 4,5, 7 and 8 and go to Step 10. <br /> �,,-, - ---------------------------- -------------- <br /> 4. Distribution Head Loss I ��ft � � .. ,� <br /> L- <br /> 5. Additional Head Loss: ��ft(due to speciat equipment,etc.) <br /> Distribution t�ead l,oss Fnctan Loss�n P ast�c P�pe per 100 <br /> Gravity DistribUtion = Oft C=13U <br /> Pressure Distribution based on Minimum Average Head ��nal Plpe DidrTteter' <br /> Value on Pressure Distribution Worksheet: F GPM te 1 1'/i 13�z 2 3 <br /> Minimum Avera e Head Distribution Head Loss �p 9.11 3.08 1.27 0.31 --- <br /> 1ft 5ft <br /> 2ft 6ft �2 12.77 4.31 1.78 0.44 --- <br /> 5ft �oft 14 16.99 5.7d 2.36 0.58 --- <br /> 16 --- 7.35 3.03 0.75 0.10 <br /> 6. A. Supply Pipe Diameter: 2,0� �� 18 --- 9.14 3.76 0.93 0.13 <br /> B.Supply Pipe Length: 30 ft 20 =_= 11.11 4.58 1.13 0.16 <br /> 25 16.79 6.92 1.71 0.24 <br /> 7. Based on Friction Loss in Plastic Pipe per 100ft from Table I: 30 --- --- 9.69 2.39 0.33 <br /> 35 --- --- 12.90 3.18 0.44 <br /> Friction Loss= 2.09 ft per t00ft of pipe 40 --- --- 16.52 4.07 0.57 <br /> 45 --- --- --- 5.07 0.70 <br /> g, Determine Equivatent Pipe length from pump discharge to soil dispersal �0 --- - --- 6.16 0.86 <br /> area discharge point. Estimate by adding 25%to supply pipe tength for <br /> fitting loss. Supply Pipe Length(5.8) X 1.25=Equivalent Pipe Length 55 --- --- --- 7.35 1.02 <br /> b0 --- -- -- 8.63 1.20 <br /> 30 ft X 1_25 = 37.�j ft 65 --- --- --- 10.01 1.39 <br /> 70 --- --- --- 11.48 1.60 <br /> 9. Calculate Supp(y Friction Loss by multiplying Friction Loss Per 100ft (Line 6)by the Equiva(ent Pipe Len3th (Line 7)and divide by 100. <br /> Supply Fridion Loss= <br /> 2.09 rt���oofc x 37.5 ft r ioo = 0.8 ft <br />