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' OSTP Pump Selection Design jjNIVERSITY <br /> M������ Worksheet OF MINNESOTA „��, • <br /> L <br /> 10. Equivalent length of pipe fittings. Equivater�t Len�th Faetors(R.)for PYC Pipe <br /> Fitti� <br /> Section f 0 is for Cd/ertion Systems ONLY and does NOT need to be �����-� <br /> cornplered for individuoi subsurface sewag.rreatmenr sysrems. �r��ry� �y� 2 s <br /> Quantity X Equivalent Length Factor=Equivatent�er►$th cate va�� �.o� �.3s i.00 <br /> 90 Deg Elbow 4.03 5.17 T.87 ' <br /> Fittlllg Type ��ty EquiVelent EquivalMt 45 Deg Elbow 2.15 2.76 4.09 <br /> Length FaCtor Length(ft) Tee-Flow Thru` 2.68 3.45 5-11 <br /> Gate Velve X a �- ow . . <br /> Swing Chec.k Vatve 13.40 17.20 25:50 <br /> gp peg Elbpyr X = Mgle Valv�e 20.10 25.8U 38.40 <br /> 45 Deg Elbow X � Gtobe Valve 45.60 58.b0 86;90 <br /> Butterfly Valve - 7.75 11.50 <br /> Tee-Ftow Thru X = <br /> Tee-Branch Flow X = NOTE:Equivalent length values for PVC pipe <br /> Swing Check Valve X � Ntt�ngs are based�calailations using the Hazen- <br /> N/illiams Equatbn. See Advanced Designs for SSTS <br /> Angle Vatve X s for equation. Other pipe material may require <br /> Globe Val�re X - <br /> different equivalent length factors. Vc�rify other <br /> equfiralent length factors with pipe material <br /> Butterfly Valve X m manufacturer. <br /> Vatve 10 X = NOTE:System ir�taller sfwuld contact system <br /> Valve 11 X � desi8r�er if the number of fittings varies f�an the <br /> desiRn to the actual instaUation. <br /> A. Sum of Equivalent Length due to pipe Nttings: �ft <br /> Hazen-Williams Equation for h <br /> B. Tota!PIPe Len3�► `wPP�Y�Pe L�ngth(5.6)+Equivalent Pipe Length(9.A.) 10.5 <br /> � h +� ft =Qft hr - D4.s� *CQ=C)�.ss *L <br /> G Hazen-Williams friction loss due to pipe fittin�and wppty pipe(hr): Q in gprn L in feet D in inches C=130 <br /> (10.5 + Pipe Diameter`87) X (Flow Rate + Constaot),.� X Total Pipe Length(10.6) <br /> (10.5 + �ina.s�� X t(-�9�}130),as X L��ft =�ft <br /> L._J <br /> 11• 7'ota(hlend requi�t is the wm of the Elevntion DiJfererKe (Line 3),the Distribirtion Head L�(Line 4),Additional Head Loss(Line 5), <br /> and either Supply Frtction Loss(Line 9),or Friction Lpss from the Supply Pipe and Pipe Fittings for collection syster�u(Line tO.C) <br /> NOTE:Supply Friction Loss(Line 8)need ONLY be used if NOT o collecHon rystem. <br /> NOTE:Friction L�s from tfie S�ply Wpe and Pipe Fittinss(Line 9.C)nsed ONLY be used if system is a collectia�system. <br /> 13.0 ft + 5.0 ft + �ft + 4.4 fc = 22.4 ft <br /> 3. PUMP SELEC7'ION <br /> A pump must be selected to detiver at least 38 GPM(Line 1�Une 2)with at least 23 feet of total head. <br /> Comments: �mP tYPe <br /> I hereby aertify that I have compieted this work in accwdanoe with all applicable ordinanoes,�ulea and laws. <br /> Joseph J Olson �.,,___ 810 10/27H0 <br /> (Designer) (Signature) (License#) (Date) <br />