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�.,Y..��a u,x.�. <br /> Pump Selection Design � <br /> Minnesota Pollution W��-k$heet � <br /> Control A enc �,.'-•�'y;- <br /> Equivalent Length Factors(ft.)for PVG Pipe <br /> 10. Equivalent length of pipe fittings. Fittings <br /> Section 9 is for Collection Systems ONLY and dces NOT need to be Pipe Diameter(in.) <br /> comp/eted for individual subsurface sewage treatment systems. Fitting Type �� 2 3 <br /> Quanity X Equivalent Length Factor=Equivalent Length Gate vatve 1.07 1.38 2.04 <br /> 90 Deg Elbaw 4.03 5.17 7.67 <br /> 45 Deg Elbow 2.15 2.76 4.09 <br /> Fittin T Equivalent Equivalent <br /> g ype Quantity Length Fador Length(ft) � g�a�Thra,y g.p5 0430 5 30 <br /> X Swing Check Vatve 73.40 17.20 25,50 <br /> Gate Valve - Angle valve 20.10 25.80 38.40 <br /> 90 Deg Etbow X = Globe Valve 45.60 58.60 86.gp <br /> Butterfly Valve - 7.75 17.50 <br /> 45 Deg Elbow X = <br /> Tee-Flow Thru X = <br /> Tee-Branch F(ow X - NOTE: Equivatent tength values for PVC pipe <br /> X = fittings are based on calcutations using the Hazen- <br /> Swing Check Valve Williams Equation. See Advanced Designs for SSfS <br /> Mgle Vatve X = for equation. Other pipe materiat may require <br /> different equivatent length factors. Verify other <br /> Globe Valve X - equivalent length factors with pipe material <br /> X manufacturer. <br /> Butterfly Valve = <br /> Valve 10 <br /> X = NOTE:System installer should contact system <br /> designer if the number of fittings varies from the <br /> Valve 11 X = design to the adual installation. <br /> A. Sum of Equivalent Length due to pipe fittings: ��ft <br /> B. Total Pipe Length =Supply Pipe Length(5.6)+Equivalent Pipe Length(9.A.) Hazen-Williams E uation for h <br /> �� ft + �� ft - ��ft 1�.5 *L *��-C)1.852 Qingpm <br /> hf T1 4.8655 L in feet <br /> C. Hazen-Williams friction loss due to pipe fittings and supply pipe(h): 1l D in inches <br /> 10.5 X Total Pipe Length (9.B) X (Ftow Rate =Constant)'��Z - Pipe Diameter°��ss <br /> 10.5 X ��ft X (��9Pm = 130)�esz _ ��ft4.8655 _ �ft <br /> l�.�l <br /> �1• Total Head requirement is the sum of the Etevation Difference (Line 3),the Distribution Head Loss(Line 4),Additional Head Loss(Line 5), <br /> and either Supply Friction Loss(Line 9),or Friction Loss from the Supply Pipe and Pipe Fittings for collection systems(Line tO.C} <br /> NOTE:Supp/y Friction Loss(Line 8)need ONLY be used if NOT a co(lection system. <br /> NOTE:Friction Loss from the Supply Pipe and Pipe Fittings(Line 9.C)need ONLY be used if system is a coUection system. <br /> 10.0 fc + 5.0 rc + C�rc + 1.3 ft = 16.3 fc <br /> 3. PUMP SELECTION <br /> A pump must be setected to deliver at least Z9 GPM(Line 1 or Line 2)with at least �7 feet of totat head. <br /> I hereby certify that i have completed this work in accordance with all applicable ordinances,rules and laws. <br /> Joseph J Olson 810 08/10/09 <br /> (Designer) (Signature) (License#) (Date) <br />