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- OSTP Basic Pump Setection Design ,T,,,i,� i ; .. ,:_ �, <br /> RSITY � • <br /> ;2innesota Poiiution Vllorksheet OF MINNESOTA F r ���` �" , , <br /> 3�`r.^, r,,. �\� <br /> ConuolA ency ' � _ <br /> � <br /> ;, �AIP GAPACII'1f Pmiect 10: i v 06.1213 <br /> PumPins to Gravity or Pressure DistrSbution: O tra��y Q vress,re Selection � <br /> required <br /> i <br /> i. If pwnping to g�avity enter the gailon per minute�the p�anp: ��GPM (f0-45 qpm) � <br /> 2. If pumping to a pressurized fistributiai system: 36.0 GPM I <br /> � 3. Enter pinnp descriPtion: I <br /> 2. HEAD REQUIREIIAENi'S ` an�w�� <br /> .._'�'•: ; <br /> A. E[evation Difference �ft �,,, ' <br /> s�� <br /> between p�np and potnt of disdiarge: j , - <br /> �-----� ,ue,vme e�aew��. <br /> B. DiStribution F1edd Loss: � 5 Uft - --- - emae�ice <br /> '-----� - - - �. <br /> C. Additionat Head Loss: ��ft{a,e m spectat e�vmen�,ecc.� :'__ ... -; <br /> r---------------- ---------- -------------� <br /> Table I.Friction Loss in Piastic P.ipe per 100ft <br /> Diseribtttion Head Loss F�o�y Ra�e� p� piameter(inches) <br /> Gravity Oistribution= Oft , <br /> (GPM} �i1 �1.25 �1_5 2 <br /> �--r------: <br /> Pressure Distribution based on Minimum Average Head 10 ! 9.1 ; 3.1 7.3 � 0.3 <br /> Value on Pressure Distribution Worksheet: 12 12.8 i 4.3 � + 1.8 � 0.4 <br /> i <br /> NCnimum Avera e.He�d Dlsiribution Head Loss �4 17.0 5.7 � i 2.4 ( O.B <br /> 1 ft 5ft 16 + 21.8 � 7.3 ; �3.0 � 0.7 <br /> 2#t 6ft 18 � � 9.1 � ;3.8 � 0.9 <br /> 5ft 10ft <br /> 20 � tS.t �4.6 1.1 <br /> 25 � 16.8 ' '6.9 ( 1.7 <br /> D. 1.Supp(Y Pipe Diameter: 2.0 in 30 i 23.5 � ;9:7 }� 2.4 <br /> 35 � . ;i2.9 j 3.2 <br /> 2.SupptY Pipe Le�th: 25 ft 40 I ;16.5 i 4.1 <br /> F " PI c ' t from 7aM I• `�5 � � 20.5 ; 5.0 <br /> E. riction Loss m asd P�pe per OOft e . 50 + � � 6.1 <br /> � � <br /> Friction Loss= 3.32 ft per t00ft af pipe 55 I i ' ; 7_3 <br /> 60 I � i 8.6 <br /> F. Determine Equivaient Pipe Length fram pump discFiarge to soil dispersal area distharge 65 + � ! c 10.0 <br /> poirtt. Estirnate by adding 25%co supptY Pipe length for fittir�loss. SuAP1Y�Ae�+3� 70 ; � 11.4 <br /> (D.2) X 1.25 a Equivntent Pipe l.ength 75 � t 13.0 <br /> 25 ft X 1.25 = 31.3 ft 45 � � � :. 16.4 <br /> � 20.1 <br /> G. Calcutate Supply Frictia�Loss by multiplying Frfction Loss Aer f00ft (Line E)by the Equivn(ent Pipe Lenqth (Line�and divide by 100. <br /> Supply Friction Loss= � <br /> 3.32 ft per 100ft X 31.3 ft = 100 = 1.0 ft ; <br /> H. Tota(Heod requirement is the sum of the Devatiort Dfffererxe (I.ine A),the Distribution Htad Lou(Lir�B),Additanal Hedd Loss(l.ine Cj,and the <br /> Supply Friction Loss(l3ne G) <br /> 9.0 ft + 5.0 ft + �ft + 1.0 ft = 15.0 ft <br /> 3. PUMP SEi.ECTION � <br /> A pump must 6e selected to deliver at least 36.0 GwiA(�ine�or�ine 2)with at teast 15.0 f�o�towt r�a. <br /> Comments: � <br />