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. ' _ OSTP Basic Pump Setection Design <br /> UNIVERSI'T'Y ' ' `- �' <br /> Minnesota Pollution WO('�(Sheet ��'� ��;? <br /> Conirol Agency OF MINNESOTA��a �-;�, � <br /> L��J <br /> 1. PUMP CAPACITY Project ID: v 06.12.13 <br /> Pumping to Grevity or Pressure Distributton: Q c�aviry �i R�ss,re Setection required <br /> 1. If pumping to gravity enter the gallon per minute of the pump: ��GPM (10-45 gpmj <br /> 2. If pumping to a pressurized distribution system: 36.0 GPM <br /> 3. Enter pump descripfion: <br /> 2. HEAD REQUIREMENT$ �crealmmtsqstem <br /> • 6 point ol disU_wyq�e <br /> F. �'� "RV:. <br /> A. Elevation Difference 24 ft <br /> S J��mele�9th <br /> between pump and point of discharge: <br /> oioi p�pe " <br /> m mi��e� . <br /> e, Distribution Head Loss: �ft ---- - <br /> l____I <br /> C. Additional Head Loss: �ft(duetospeciatequipment,ecc.) , `"=`- ^ <br /> Table I.Friction Loss in Piastic Pipe per 100ft <br /> Distribution Head Loss <br /> Gravity Distribution = Oft Fiow Rate Pi e Diameter(inches) <br /> (GPMI 1 1.25 1.5 2 <br /> Pressure Distribution based on Minimum Average Head 10 9.1 3.1 1.3 0.3 <br /> Value on Pressure Distribution Worksheet: �2 �z,g 4.3 1.8 0.4 <br /> Minimum Avera e Head Distribution Head Loss �4 17.0 5.7 2.4 0.6 <br /> 1ft 5ft �6 2�,g 7.3 3.0 0.7 <br /> 2ft 6ft 18 9.1 3.8 0.9 <br /> Sft 7 pgt <br /> 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.� <br /> 35 72.9 3.2 <br /> 2.Supply Pipe Length: 195 ft 4p 16.5 4.1 <br /> E. F�iction Loss in Plastic Pipe per 100ft from Tabte i: '�5 20.5 5.0 <br /> 50 6.1 <br /> Friction Loss= 3.32 ft per 100ft of pipe 55 7.3 <br /> 60 8.6 <br /> p, Determine Equivalent Pipe Length from pump discharge to soil dispersal area discharge 65 10.0 <br /> point. Estimate by adding 25%to supply pipe length for fitfing loss. Supply Pipe tength �� �� � <br /> (D.2) X 1.25=Equivnient Pipe Length 75 13.0 <br /> 195 ft X 1.25 = 243.8 ft 85 16.� <br /> 95 , 20.1 <br /> G. Calculate Supply Fricilon Loss by multiplying Friction Loss Per 100ft (Line E)by the Fquivaleni Pipe Length (Line F)and divide by 100. <br /> 5uppty Friction Loss= <br /> 3.32 ft per100ft X 243.8 ft = tpp = g.1 ft <br /> H• Tota(Head requirement is the sum of the Elevation Difference (L9ne A),the Distribution Head Loss{Line B),Additional Head Loss(Line C),and the <br /> Supply Friction Loss(Line G) <br /> 24.0 ft + 5.0 fc + ��ft + 8.1 ft = 37.1 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to deliver at teast 3Ej.Q GPM(Line 1 or Line 2)with at teast 3]�� feet of total head. <br /> Comments: <br />