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L'�.wi��i�uirror?f���i'wi.� . <br /> � Pump Selection Design -� _ <br /> Minnesota Pollution WO�'�CSfI@E�t , �" <br /> Controi A enc '��"°-�-�'`�`` <br /> 10. Equivalent length of pipe fittings. Equivalent Length Factors(ft.)for PVG Pipe <br /> Fittings <br /> Section 9 is for Collection Systems ONLY and does NOT need to be Pipe Diameter{in.) <br /> completed for individua!subsurface sewage treatment systems. Fitting Type �,� 2 3 <br /> Quanity X Equivalent Length Factor=Equivalent Length �ate vatve 1.07 1.3s 2.oa <br /> 40 Deg Elbannr 4.03 5.17 7.67 <br /> 45 Deg Elbow 2.15 2.76 4.09 <br /> Fitting Type Quantity Equivale�t Equivalent Tee-Ftow Thru 2.68 3.45 5.11 <br /> Length Factor Length(ft) Tee-Branc F ow .05 10.30 15.30 <br /> Swing Check Valve 13.40 17.20 25.50 <br /> Gate Valve X Angte Valve 20.10 25.80 38.40 <br /> X _ Giobe Valve 45.60 58.60 86.90 <br /> 90 Deg Elbow Butterfty Valve - 7.75 11.50 <br /> 45 Deg Etbow X - <br /> Tee-Flow Thru X - <br /> Tee-Branch Flow X - NOTE: Equivalent length values for PVC pipe <br /> X _ fittings are based on catculations using the Hazen- <br /> Swing Check Valve - <br /> Wi(liams Equation. See Advanced Designs for SSTS <br /> Mgle Vatve X = for equation. Other pipe material may require <br /> different equivalent length fadors. Verify other <br /> Globe Valve X - equivalent length factors with pipe material <br /> X manufacturer. <br /> Butterfty Valve - <br /> X _ NOTE:System installer should contact system <br /> Valve 10 designer if the number of fittings varies from the <br /> Valve 11 X = design to the actuat installation. <br /> A. Sum of Equivalent Length due to pipe fittings: �ft <br /> B. Total Pipe Lengih =Supply Pipe Length (5.8)+Equivalent Pipe Length(9.A.) Hazen-Williams E uation for h <br /> � fc + � �c = �rt 10.5 * L *�Q=C)�.ssz Qin gpm <br /> hr 4.8655 L in feet <br /> C. Hazen-Williams fridion loss due to pipe fittings and suppty pipe(h): D D in inches <br /> 10.5 X Total Pipe Length(9.6) X (Flow Rate =Constant)'�� - Pipe Diameter''�ss <br /> 10.5 X �ft X (�gpm = 130)'asz _ �ft4_8655 _ �ft <br /> I� <br /> 11• Total Head requirement is the wm of the Elevution Difference (Line 3),the Distribution Head Loss(Line 4),Additional Head Loss(Line 5), <br /> and either Supply Fridion Loss(Line 9),or Friction Loss from the Supply Pipe and Pipe Fittings for collection systems(Line 10.C) <br /> NOTE:Supply Friction loss(Line 8)need ONLY be used if NOT o collection system. <br /> NOTE:Friction Loss from the Supply Pipe ond Pipe Fittings(Line 9.C)need ONLY be used if system is a collection system. <br /> 12.0 ft + 5.0 ft + �ft + 1.9 ft = 18.9 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to deliver at least 36 GPM(line 1 or Line 2)with at least �q feet of total head. <br /> I hereby certify that I have completed this work in accordance with all appiicable ordinances,ruies and laws. <br /> Joseph J Olwn A �.-- 810 10/15/09 <br /> f �' <br /> (Designer) �� (Signature <br /> ) (License�t) (Date) <br />