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' ------- _.- <br /> � � -- <br /> ---_ <br /> � OSTP Pump Selection Design UNIVERSITY <br /> Minnesom Pol�ution Worksheet OF MINNESOTA <br /> Control A v 11.05.31 <br /> 1. PUMP CAPACITY <br /> p, Pumping to Grevity or Pressure Distribution: O Gravity OO Pressure Selection required <br /> 1. If pumping to gravity enter the gatlon per minute of the pump: �GPM <br /> 2. Is the pump for the treatment system or the collection system: <br /> QO Treatrnenc system O Col�tion sysoem Seledion required for worksheet to work properly <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 pumping to a pressurized distnbution system: 34.0 GPM <br /> (Line 11 of Preswre DisiribuNon or Line 10 0/Non-Level or enter if Coll rctinn SystemJ <br /> 2. HEAD REQUIREMENTS tre,m,e„tsysonn <br /> &point of disdwrge <br /> 3. Elevation Difference 15 ft •• <br /> ':d <br /> between pump and point of discharge: �v, <br /> s�aPti� <br /> NOTE:IFsystem is an individual subsurface sewage treatment ;.--- <br /> system,complete steps 4-9. I f system is a Collection System, nlet pWe � Y Elareton% <br /> � -.:, a � . z:. ' diHera�re <br /> skip steps 4,5,7 and 8 nnd go to 5tep 10. - <br /> 4. Distribution Head Loss: 5 ft <br /> ' ----------------------------- -------------• <br /> 5. Additionat Head Loss: �ft(due to special equipment,etc.) ��.���,p�����e�"''�'�'��. <br /> ; <br /> ; ; , , `' <br /> , � � <br /> ';!i�`i,�'�o;k�� , .. ' �,�'��, ' <br /> . � <br /> . .t�to�rnnai,;�p�e.�a�t�cr . �,;e; <br /> Gravity Distribution= O�ft <br /> Flow Rnte. 1 �y,, 1'f�s 2 3 <br /> Pressure Distribation based on AAinimum Average Head <br /> Value on Pressure I�istribution'WorksheeY: y� n��,� '�• � �g� <br /> =�ltliitai�� ;f�ea�3. . .;:t3lstr:i�io�:3�i�'L.oss :r 12 12.77 4.31 7.78 044 <br /> 'Ift 5ft �a4 ,., � ... <br /> 4� �:5.�T4 -'1.�,. Qb8 = <br /> 6ft _ :""' � <br /> 2ft 16 - 7.35 3.03 0.75 A.10 <br /> 1 Oft <br /> 5fit '!'8, .. �'«��' ,:;3�T�:. :±i0�3, �1Q.�$:� <br /> 6. A.Supply Pipe Diameter. 2.0 in 20 11 11 4 58 1 13 016 <br /> 25 !��,� �� :�,.� �� <br /> B.Suppty Pipe Length: 70 ft 30 9.M 2 39 0 33 <br /> 7. Based on Friction Loss in P►astic Pipe per 100ft from Table i: ,3� '��� �� '�''�" <br /> 40 -- - 96.32 4A7 0:57 <br /> Friction Loss= 2.99 ft per 100ft of pipe �� ���T.. � <br /> gp 6'I$ t186 <br /> g, Determine Equivalent Pipe Length from pump discharge to soil dispersal � �� �_::,,.. <br /> area discharge point. Estimate by adding 25%to supply pipe length for <br /> fitting toss. Supp(y Pipe Length(6.6) X 1.25=Equrvolent Pipe Length 60 $� '� 20 <br /> , ,:.:. ..,:, <br /> � ;�... ;�. , � i._ <br /> 70 ft X 1.25 = 87.5 ft 7q � � 11 48 1 BO <br /> 9. Calculate Suppty Friction Loss by multiplying Friction Loss Per 100ft (Line 6)by the Equivalent Pipe Length (Line 7)and divide by 100. <br /> Supply Friction Loss= <br /> 2.99 ft per 100ft x 87.5 ft T 100 = 2.6 ft <br />