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• <br /> SECTION 13: Forms and Reference ■ 13-39 <br /> • <br /> OSTP Basic Pump Selection Design <br /> MinnesotaPollution _ UNIVERSITY <br /> Control AgencyW�� I lest OF MINNESOTA <br /> 1. PUMP CAPACITY Project ID: v 11.10.10 <br /> • <br /> Pumping to Gravity or Pressure Distribution: I 0 Gray • I Selection required <br /> 1. If pumping to gravity enter the gallon per minute of the pump: ( 'GPM (10-45 gpm) <br /> • <br /> 2. If pumping to a pressurized distribution system: I 4Z IGPM <br /> (u.,of Pressure Distribution) <br /> sar <br /> 2. HEAD REQUIREMENTS a�a274=4*w <br /> A. Elevation Difference I 1 . Ift <br /> between pump and point of discharge: +rt„rs• ^i • , '" <br /> [1. � t <br /> B. Distribution Head Loss: 5 ft <br /> C. Additional Head Loss: O ft(due to special equipment,etc.) , _ <br /> vn <br /> . '"•. Distribution Head Dass e . <` �,1 #bid( I i� t`LAss.�l;Ri�kI11i PtP�E19f.1QOftl,. <br /> Gravity Distribution- oft 4 Flow Rate P1..0 Diameter(inches) <br /> • Pressure Distribution based on Minimum Avera B a Head (GPM) 1 1 10 9 1.3 2 <br /> • 1 3.1 1.3. 0.3 <br /> Value on Press....Distribution Worksheet; <br /> x .:14 ..i_ ..; y u5. 2.4 . :0=Minirnuari AvaraDe Heed' +:tSls�lbittloi Heed 14 '17.0 5.7 2.4 0.6 <br /> • <br /> Ift 5ftF <br /> 2ft • oft 1 it:Vtitl ':: D __:0. + <br /> 5ft loft: 18 y 45 9.1• 3 8• 0.9 <br /> D. i. _ 25 16.8 6.9 17 <br /> I •�� <br /> s A Supply Pipe Diameter � in - s`{-�.���� 'sfi. •per ITC TX a< <br /> 2.Supply Pipe Length: % ft 35rflif. 1p2 9 3.2 . <br /> E. Friction Loss In Plastic Pipe per t 00ft from Table I: 45 20.5 5.0. <br /> x <br /> • <br /> °a f l f i <br /> • <br /> Friction Loss• I 5s0 Ift per 100ft of pipe 55 <br /> 73 "y <br /> F. Determine Equivalent • .qtr r + �r 14 k • �<; V '4 • i"¢ . <br /> Pipe Length from pump discharge to soil dispersal area dlsr(jtl�" '' '1 k 0.0 "" ' <br /> point. Estimate by adding 25%to supply pipe length for fitting loss. Supply Pipe Legal # i, tx t to•.. a, <br /> (D.2)X 1.25.Equivalent Pipe Length � '4 «t -,� #z: E° �Y s 3. 1 <br /> �sr5 130 „t• <br /> 1 - �T� t,035*J v.' . Yli�, ..tf+ ,.7 r fi•r A p', <br /> I s`O ft X 1.25 I �13 ft n� :95, b.....:... :1�a.... + y.r.: + :.�lA�E 5 • ... <br /> 20.1 <br /> G. Calculate Supply Friction Loss by multiplying Friction Loss Per 100ft (Line E)by the Equivalent Pipe Length (Line F)and divide by 100. - <br /> Supply Friction Loss- <br /> iS.d ft per 100ft X 1 63 ft + 100 - jig ft <br /> H. Total Head requirement is the sum of the Elevation Difference (Line A),the Distribution Head Loss(Lica B),Additional Head Loss(Line C),and tie Supply <br /> Friction Loss(Line G) <br /> • I ; . Ift . + I s Ift + I 0 lit + I 3 Ift . Z.c ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to deliver at least 4 Z GPM(Line 1 or Line 2)with at least Zp feet of total head. <br /> • Comments: <br /> • <br /> • <br /> 09/1 <br />