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' IJvIJ�i t'i'�J �'�...�, �--- <br /> �� • OSTP Pump Selection Design UNIVERSITY <br /> Mlnneso�PolluCbn Worksheet OF MINNESOTA <br /> Control n v 11.05.31 <br /> 1. PUMP CAPACITY <br /> A. Pumping to Gravity or Pressure Distribution: r0 Grawty OO t�ssure� Selection required <br /> 1. If pumping to graviry enter the gatlon per minute of the pump: ��GPM <br /> 2. Is the pump for the treatment system or the cotlection system: <br /> OO 7�nent sys�em O co�lecnon sysoem Selection required <br /> 3. If pumping to a pressurized treatment system,what part or type of system: <br /> ❑Soil Treatment Unit ❑Media Filter ❑Other <br /> 4. If purnping to a pressurized distnbunon system: 33.0 GPM <br /> (Line!1 of Oressure Dlstrlbutlon or Ltne 10 oJ Non-Level or enter if Co!lectlon System) <br /> 2. HEAD REQUIREMENTS <br /> vcacnm,i system <br /> &point of dis[haipe <br /> 3. Elevation Difference 10 ft ,, . ,.• <br /> between pump and point of discharge: �, <br /> �� <br /> NOTE:/Fsystem is an individual wbsurface sewage ireatment - <br /> systern,complete steps 4-9. If system is a Co!lection 5ystem, ��� Ekwtbn�' <br /> e�,Q <br /> skip steps 4,5, 7 and 8 and go Yo Step f0. <br /> 4. Distribution Head Loss: ��ft ----------------------------- -------------• <br /> 5. Additional Head Loss: ��ft(due to special equipment,etc.) „�f, ` _ _ _ <br /> anv,� �r' . E '- . . � ' .?��... . ..�ZHL E'si i'°` ,'.r .�N.e}�I .:w� <br /> d ` <br /> �,....,�:.��.. ���;t��. - _' .. _ '__• � ,_,... . ' i ft� Y' <br /> 3 <br /> G ravfty Di"stribution= Ofi: "•:-�.c''� _ �. �.m,,.. , .��.,�... .a .: �.�,µm.��' <br /> Pressur�e:Distributinn based on1�]lir�irriLm.1�v�er�ge�ead <br /> Flow Ra a !y. 1 Ys 3 3 <br /> vatu�an Rr�essur.e Distrtbution?Nrorkshe�t:. .,�:,: ._ ,;:,.� ��.r ._. <br /> ,,.,,.,. ,�� <br /> . . . � � a4'.� Y <br /> . _�.�.�.. ... ......... .� � . <br /> �w = _-_ _.: . "--'_ ... 12 �2.Tf ,4;:31 1.78 0�4 <br /> -- <br /> � <br /> _ 1 ft ,: 'Sft - •-��,i'''���5�,' . <br /> _.._ . _..._ . ..._.. . <br /> --- --.... �. . _. ._,.._ _ , <br /> _ ,...,:_ , . . .. <br /> � 1 b 7.35 �:fl3 0.�5 4��: <br /> 5ft:_ _.. __ _._ - <br /> A.Oft _.._ __ � . :... <br /> . ._. _._.. 7 ...: .._ . . <br /> ... �k.._.._.� . � ..o.�. .. . � .. <br /> 6. A. Supply Pipe Diameter. 2.0 in 20 - 1`1'11 :4:58 1.:13 `0.'k8; <br /> � ,�� ._ �.._�, . , -.,,.. :. . <br /> ��� ,.� . <br /> B. Supply Pipe Length: 30 ft 3.0 _ _ gsg �2.39 D.33 <br /> ��i )k�� � 4's� Yj� <br /> .., <br /> 7, Based on Friction Loss in Plastic Pipe per 100ft from Table I: ,3���,a��, '�;� ,.� , _ _ _ <br /> 40 _ - ��sz� 4.0� o:s7 <br /> 2.83 ft pef 100ft Of pipe -•4 � :,� � `"' i-'� -p� ;.�-" <br /> Friction Loss= � ��� +' '. h <br /> g, Determine Eq�ivalent Pipe Length from pump discharge to soil dispenat 50 -' � -"" �'�� Q`� <br /> t '� .i a`I �i �-�. ... r�... <br /> area discharge point. Estimate by adding 25%to supply pipe►ength for r;�,.�.s,�� _ , � <br /> fitting loss. Suppty Pipe Length(6.B) X 1.Z5=Equivolent Ape Length 6p - -- •8:63 7:20 <br /> +�fr i ������ '��M 5.1..1� � '., i <br /> 30 ft X 1.25 = 37.5 ft �p �, _ 1h qg, 'l..Sp ' <br /> 9. Catculate Supply Friction Loss by muLtiplying Friction Loss Per 100ft (Line 6)by the Equivalent Pipe Length (Line 7)and divide by 1 D0. <br /> Supply Friccion Loss= <br /> 2.83 ft per 100ft X 37.5 ft - 100 = 1.1 ft <br />