Laserfiche WebLink
, � <br /> OSTP Pump Selection Design uN�vERs�TY ���.. <br /> Minnesota Pollutbn W�('�h�e� OF MINNESOTA °`�������� <br /> cor►troi A �,`� <br /> 1. PUMP CAPACITY <br /> A. Pumping to Gravity or Preswre Distribution: O c�aray OO Pre�re-� <br /> 1. If pumping to gravity enter the gal(on per minute of the pump: �GPM <br /> 2. If pumping to preswre,is the purt�for the treatment system or the cotlection system: <br /> O r�rn syst�n O couecnoo sys�n <br /> 3. tf pumping to a pr�wrized treatment system,what part or type of system: <br /> ❑Soil Treatment Unit p Media Fitter p Other <br /> 4. If pumping to a preswrized distnbunon system: 38.0 GPM <br /> (Une t t ojPresswe Distrilwtfon or Line to o/Non-Leve!or eMer tjColtectfon SSatem) <br /> 2. HEAD REQUIREMENTS <br /> 3. Etevation Differer�e 15 ft 8 v�� <br /> between pump a�point of discharge: <br /> NOTE:IF rystem is an irtdividual subwrfnce sewnqe treatment ��� <br /> system,comptete steps 4-9. Jf system is a Collectia�System, v+ae ��� . <br /> skip steps 4,5,7 and 8 and qo to Step f0. <br /> �� <br /> 4. Distribution Head Loss: ��ft ` '� : <br /> 5. Additionat Head Loss: �ft{due to special equipment,etc.) <br /> Djstributaon Head t�oss ncbon Loss�n asttc pe per <br /> Gravity Disrtribution=Oft C=130 <br /> `'Nominal Pipe Diameter <br /> Pressure Distribution based ai Minimum Average Head <br /> a <br /> Value on Pressure Distribution Worksheet: F G �� 1 7'S4 1'!�i 2 3 <br /> MRnimum Avesa e H+e�d ' Distributian Hesd Loss , 10 , 8.91' 3.08 1.27` 0.31 : - <br /> �ft sft 12 1277 4.31 1.78 0.44 <br /> 2ft 6ft - <br /> 5ft �Oft 94 16.89 5.74: �38 0.58 <br /> 16 7.36 3.03 0.75 0.10 <br /> 6. A.SuPP�Y�Diameter. 2.0 in 18 - ` 8,1A 3,76 0.93'; O 13 <br /> B.s�ply Pipe lengrh: 250 ft 2O - 11.11 4.58 1.13 0.16 <br /> 7. Based on F�iction I.oss in Piastic Pi 25 16.79 8 82 1.77 0.2A' <br /> pe per 100ft from Tabte I: 3O � - 9.N 2.39 Q.33 <br /> Friction Loss= 3.67 ft per 100ft of pipe 35 - 12.90: 3.18 0.44 <br /> 8. Determine E 'a - - 16.52 4.07 Q57 <br /> quivatent Pfpe Length from pump discharge to soil dispersal . 45 - -- 5.07 0.70 <br /> area discharge paint. Estimate by adding 25%to wpply pipe length for <br /> fltting loss. Supp(y Pfpe Cengtb(5.8) X 1.25=Equivnlent Pfpe Length 5O - - -- 6.16 0.86 <br /> 55 - - T� 1.02 <br /> 250 ft x �.25 = 312.5 ft �,p � _ � g,gg �.gp <br /> 9. Calculate Su Friction Loss P�Y� 8 OOIt (Line 6)by �"5 - - 10.01` 1.38 <br /> pply by multi n Friction Loss Aer f <br /> Supply Friction Loss= 7O -- - --- 11.48 1.60 <br /> 3.67 ft per looft x 312.5 ft } too = 11.5 ft <br />