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� � _ OSTP Pump Selection Design ._ <br /> � ���' LTNIVERSITY \ � � <br /> Minnesota Pollution ' WOrkSheet OF MINNESOTA � "+ * � <br /> Control A en r . .�'�\% <br /> 1. PUMP CAPACITY <br /> A. Pumping to Gravity or Pressure Distribution: O c�ra�iry OO �esa,re <br /> 1. If pumping to gravity enter the gallon per minute of the pump: ��GPM <br /> 2. If pumping to pressure,is the pump for the treatment system or the collection system: <br /> �Tra3pnent System �Colk�.tion System� <br /> 3. If pumping to a pressurized treatment system,what part or type of system: <br /> ❑Soil Treatment Unit p Media Filter p Other <br /> 4. If pumping to a pressurtzed dis[nbut�on system: 38.0 GPM <br /> (lrne 11 0/Prenure Dishibutlon or line 10 of Non-Level or mter if CoUection System) <br /> 2. HEAD REQUIREMENTS <br /> 3. Elevatton Difference �� {t a�o�a�n� <br /> ' �i�. <br /> ia <br /> between pump and point of discharge: <br /> w��`� <br /> NOTE:IF rystem fs an individual subsurface sewage trea[ment j__ <br /> system,comp(ete steps 4-9. !f system is a Cotlection System, ay+e ���;• <br /> skip steps 4,5,7 and 8 and go to 5tep f0. _ �H� <br /> ,�.�:.. . <br /> ---.� _. <br /> 4. Distribution Head Loss: �ft -------,.�._,..��.._---._ -�_._,__.__.. <br /> 5. Additional Head Loss: �ft(due to special equipment,etc.) <br /> Distribution Head Loss n on LoSs n asUC pe per <br /> Gravity Distribution=Oft C=130. <br /> Nominal Pipe Diameter <br /> Pressure Distribution based on Minimurn Average Head <br /> Value on Pressure Dlstribution Worksheet: PM� 1 1'/ 1Yt 2 3 <br /> ilAinimum Avera e Head Distribution Head Loss 10 9.11 3.08 1.27 0.31 <br /> 1 ft 5ft �2 1277 4.31 9 J8 0.44 <br /> 2ft 6ft <br /> 5ft 7 oft 14 16.88 5.74 2.36 O.SB <br /> '�6 7.35 3.03 0.75 0.10 <br /> 6. A.Suppty Pipe Diameter: 2.0 in 1 g _-- 9.14 3.T6 0.93 0.13 <br /> B.Supply Pipe Length: 35 h 20 - 11.11 4.58 1.13 0.16 , <br /> 25 16.78 6.92 1.71 0.24 <br /> 7. Based on Friction Loss in Plastic Pipe per 100ft from Table I: 3Q ..,_ - 9.69 2.39 0.33 <br /> Friction Loss= 3.67 ft per t0oft of pipe 35 --- 12.90 3.18 0.44 <br /> 40 - 16.52 4.07 0.57 <br /> g, Determine Equivnlent Pipe Lenyth from pump discharge to soil dispersdl 45 5,07 0.70 <br /> area discharge point. Estimate by adding 25%to supply pipe length for <br /> fitting loss. Supp(y Pfpe Length(5.B) X 1,25�Equiva[ent Pipe Length 5O --- 8.16 0.86 <br /> 55 - -. =-- 7.35 1.02 <br /> 35 ft X t.25 = 43.8 ft 60 8.63 1.20 <br /> 9. Gatculate Supply Friction Loss by multiplying Frictlon Loss Per f00ft (Line 6)by 65 --- 10.01 1.38 <br /> Supply FNctton Loss= <br /> 70 - -- --- 11.48 1.60 <br /> 3.67 ft per to0ft x 43.8 ft f to0 - 1.6 ft <br />