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� OSTP Pump Selection Design UNIVERSITY = <br /> Minnesota Poeution W0t"�($hQQt OF MINNESOTA �� � ��� � � <br /> Controi ertc �-�� <br /> 1. PUMP tAPACiTY <br /> A, Pumpi�to Gravity or Preswre DistribuNon: O c�ravky O arrsw�e � <br /> 1. tf pumpfng to gravity enter the gatton per minute of the pump: �GPM <br /> 2. If pumping to preswre,is the purt►p for the treatment system or the rnllection system: <br /> OO Trearo�r�x sys�n O CoYecuon 9y�e�n <br /> 3. If�mping to a pressurized treatrr�ent system,what part or type of system: <br /> p Sail Treatment Unit p I�dia Fitter p Other <br /> 4. It pumping to a pressurized distnbutwn system: 29.0 GPM <br /> (Llne 11 of Preswrc 01shf6uHon or Une!0 of Non-Level or enter if CotlecHan System) <br /> 2. HEAD REQUIRF.�AENTS <br /> 3. Elevation Difference �ft a�"o� <br /> between pump and poir�t of discharge: <br /> MOTE:IF system is on fir�d3vid�wl wbwrfoce servnge trectment <br /> s�v""e�"�' <br /> system,comp(ete steps 4-9. if system is a CotlecHon System, ave �;'� <br /> skip steps 4,S,7 ond 8 and go to Siep 10. � <br /> 4. Distribution Head l.oss: �ft TY: �, <br /> 5. Additionat Head Loss: �ft(due to special equiprnent,etc.) <br /> : otstributlon ttead t�oss ncdon �n c per <br /> Gravity Distribution= Oft Ca130 <br /> Pressure Qistribution based on 11Ainimum Average Head ���1����� <br /> Vatue on Pressure Distributi�Worksheet: G � 1 1y 1'f'� 2 3 <br /> NYnimum.Avera e H�ad ' Disb�ibuNon Ha+ad L.oss 10 9.91 S.OS 1.2T 0.39 -- ' <br /> 1 ft 5ft 12 1277 4.31 1.78 0.44 <br /> 2ft 6ft - <br /> 5ft �pft 4 4' 96,89 5.74 2.3� 0.58 <br /> 16 -- 7.35 3.00i 0.76 0.10 <br /> 6. A.Supply Pipe Diameter: 2A in 1$ 9.14 3.76 0:83 0.13" <br /> B.supply Pipe l..ength: 22 ft 20 - 11.11 4.�8 1.13 0.16 <br /> 25 16:78 6:92 1.71 0.24 <br /> 7. Based on Frictian Loss in Plastk Pipe per 100ft from Tabte L• gp � __ 9.N 2.39 0.33 <br /> Fridion Loss= 2:23 ft per 100h of pipe 35 12.9Q 3 98 0.4d: <br /> 40 - -- 16.52 4.07 Q67 <br /> g, Detertnine Ecp�ivnlent Pipe Length fran pump discharge to soil dispersal 45' 6A7 4.70 <br /> area dfscharge point. Estfmate by adding 25%to wppty pipe length for � w '- <br /> fitting loss. Sup�ty Plpe Length(5.8) X 1.25=Equivalent Pfpe Length 50 - - -- 6.16 0.86 <br /> 55 - T:35 1.02 <br /> 22 ft X 1.25 = 27.5 ft 60 --- -- --- $.63 1.20 <br /> 9. Catcutate Supply Friction loss by muttiptying Frfction Loss Aer f00ft (Line 6)by 6� - - 4Q.01 1.39 <br /> Suppty Friction L�s= <br /> 70 - --.. _- 11.48 1.� <br /> 2.23 ft per�o0ft x 2T-5 ft + 100 = - 0.6 ft <br />