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_ OSTP B�sic Pump Selection Desi�n �k_ <br /> �� LINIVERSITY -�-� `' `�`" <br /> Minnesota Poilution ' �����*�; <br /> Control A enc Worksheet OF MINNESOTA�� ,� ,�,L,�r,,, <br /> 1. PUMP CAPACITY Project ID: v 11.09.22 <br /> Pumping to Grovity or Pressure Distribution: Q �rava.y Q Resare Setection required 2 <br /> 1. If pumping to gravity enter the gallon per minute of the pump: �GPM (f0-45 gpm) <br /> 2. If pumping to a pressurized distribution system: 29.0 GPM <br /> (Une i f oj Pressure Distributfon) <br /> trea mm�spst <br /> a co�m a asceuye <br /> 2. HEAD REQUIREMEN7'S I �; . <br /> �+wa` <br /> A. Elevation Difference �7 � S„qar�"` <br /> between pump and point of discharge: ^'e1pi� E�„a,b,,:" <br /> �����e <br /> B. Distribution Head Loss: �ft -_- - <br /> ...._- __. <br /> C. Additional Head Loss: ��ft due to s ----------------------------- -------------• <br /> ( P�ial equipment,etc.) <br /> Table I.Friction Loss in PlasNc Pipe per 100ft <br /> Distribution Head Loss <br /> Gravity Distribution = oft Flow Rate P� e Qiameter(inches) <br /> IGPM) 1 1.25 1.5 2 <br /> Pressure Distribution based on Mi�imum Average Head 10 9.1 3.1 1.3 0.3 <br /> Value on Pressure Distribution Worksheet: 12 12,g 4.3 t.8 0.4 <br /> Minimum Avera e Head Dist ibution Head Loss �4 �7,0 5.7 2.4 0.6 <br /> 1ft 5ft �6 2�,$ 7.3 3.0 0.7 <br /> 2ft I 6ft 18 9.1 3.8 0.9 <br /> 5ft 1�t 20 11.1 4.6 1.1 <br /> 25 ( 16.8 6.9 1.7 <br /> D. 1.Supply Pipe Diameter: 2.0 in 30 23.5 9.7 2.4 <br /> 35 12.9 3.2 <br /> 2.SuPP�Y RPe�3�: 160 fk 40 16.5 4.1 <br /> E. Friction loss in Piastic Pipe per 100ft from Tadt�I: 45 20.5 5.0 <br /> ' S0 6.1 <br /> Friction Loss= 2.23 ft per 10Qft of pipe 55 7.3 <br /> bU 8.6 <br /> p, Detertnine Equivalent Pfpe Length from pump disGharge to soil dispersal area discharge 65 10.0 <br /> point. Estimate by adding 25%to supply pipe lerx�th for fitting loss. Supp/y Pipe Length <br /> 70 11.4 <br /> (0.2) X 1.25=Equivalent Pipe Length 75 13.0 <br /> 85 16.4 <br /> 160 ft X 1.25 = 200.0 ft 95 20.1 <br /> G. Calculate Supply Friction Loss by multiplying FricQion Loss Per 100ft (Line E)by the Equivalent Pipe Length (Line F)and divide by 100. <br /> Supply Frittion Loss= <br /> 2.23 ft per 10oft X 200.0 ft = 100 = 4.5 ft <br /> H• Total Hend requirement is the sum of the Elevatiar►Difference (Line A),the Distribution Head Loss(Line B),Additional Head Loss(Line C),and the <br /> Supply Friction Loss(Line G) <br /> 17.0 ft + 5.0 f� + ��ft + 4.5 ft = 26.5 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to detiver at teast 29 GPM(Line 1 or Line 2)with at teast 2] feet of total head. <br /> Comments: <br />