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�STP Basic Pump Setection Desi�n <br /> �_1!�IVERSITY <br /> :w'linnesota Poliution Worksheet OF MII�'NESOTA `` <br /> Co�tro!Agency ,;�,`; <br /> 7. PUMP CAPACITY Project ID: v 06.12.13 <br /> Pumping to Gravity or Pressure Distribution: C crav�ry� �i Ress�re 5election required <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: 36.0 GPM <br /> 3. Enter pump description: <br /> 2. HEAD REQUIREMENT$ o.vcoimem s�s�rm <br /> a point ot ducna�gP <br /> A. Elevation Difference 14 ft '`'' `Q <br /> ,M��^9`" "' <br /> between um and svve`y" <br /> p p point of discharge: <br /> ,i,;�a� <br /> B. Distnbution Head Loss: � '-__- ; � ; Q1�"°°.: <br /> 5 ft - " <br /> i _'"- ; � '___c+1/errv%e' <br /> ��ft(due co specia� � I j '' <br /> C. Additional Head Loss: eq�ipmenc,ecc. � !�___________ <br /> � i <br /> ----- ------•------ <br /> Table I.Friction Loss in P{astic Pipe_per 100ft <br /> Distribution Head Loss ---------- - <br /> Gravity Distribution = oft Flow Rate ' ___._P�pe Diameter(inchesl <br /> (GPIJ�) l. 1 1.25 t 5 i 2 <br /> Pressure Distribution based on Minimum Average� Head 10 9.1 � 3.1 r 1.� � 0.3 <br /> value on Pressure Distribution Worksheet: � i ' <br /> 12 j 12.8 ' 4.3 I 1.8 � 0.4 <br /> Minimum Avera � Head Distribution Head Loss � <br /> 14 � 17.0 5J � 2.4 0.6 <br /> 2ft Sft �6 � 21.8 ' 7.3 i 3.0 OJ <br /> 6ft 18 � ' 9.1 3.8 ; 0.4 <br /> Sft 10ft ZQ 11.1 i 4.6 I i.1 <br /> 25 ' 16.8 , 6.9 I 1.7 <br /> D. 1.Supply Pipe Diameter. Z.0 in 30 � � 23.5 9.7 ! 2.4 <br /> �5 ' � 12.9 ; 3.2 <br /> 2.Supply Pipe Length: 75 ft 4p � � � 16.5 � 4.1 <br /> i � <br /> E. Friction Loss in Plastic Pipe per t00ft from Table I: 45 ' � : 20.5 .' S.0 <br /> 50 � � ` i 6.1 <br /> Friction Loss= 3.32 h per 100f[of pipe 55 ; : � ` 7.3 <br /> 60 i i I ; 8.6 <br /> p, Determine Equivalent Pipe Length from pump discharge to soit dispersal area disCharge 65 i i ' 10.0 <br /> point. Estimate by adding 25%to supply pipe length for fitting loss. Supply Rpe Length �p i � 11.4 <br /> (D.2) X 1.25=Equivalent Pipe Length 75 I ' 13.0 <br /> 75 ft X 1.25 = 93.8 ft 95 i i 3 96.� <br /> 20.1 <br /> G. Calcutate Supply Friction Loss by multiplying Friction Loss Per 100ft {Line E)by the Equimlent Ptpe Length {Line F)and divide by 100. <br /> Suppty Friction Loss= <br /> 3.32 ft perlpOft X 93.8 ft + 100 = 3.1 ft <br /> H• Tota(fiead requirement is the sum of the Elevatton Difference (Line A),the Distribution Head Loss(Line B),Additional Head Loss(Line C),and the <br /> Supply Friction Loss(Line G) <br /> 14.0 ft + 5.0 ft + ��ft + 3.1 ft = 22.1 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to deliver at least 36.� GPM(Line 1 or Line 2)with at least 22,� feet of total head. <br /> Comments: <br />