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lM�r[�sRYoflLxr[aam - Pump Selection Design �� Minnesota Pollution Worksheet :� . : : �� ` Control A enc -� Equivalent Len�th Factors(fL.)for PVC Pipe 10. Equivalent length of pipe fittings. Fittin�s Section 9 is for Coliection Systems ONLY ond does NOT need to be Pipe Diameter(i�.) comp/eted for individual subsurface sewage treatment systems. Fitxing Type �� Z 3 Quanity X Equivalent Length Factor=Equivalent Length Gate Valve �.07 1.38 2.04 90 Deg Elbow 4.03 5.17 7.67 45 Deg Elbow 2.15 2J6 4.09 Fitting Type Quantity Equivalent Equivalent Tee-Flow Thru 2.68 3.45 5.11 Length Fador Length (ft) �-Branc ow . 5 15.30 X Swing Check Vatve 13,40 17.20 25.50 Gate Valve - Angte valve 20.10 25.80 38.40 90 Deg Elbow X = Globe Valve 45-60 58.60 86.90 Butterfly Valve 7.75 11.50 45 Deg Elbow X = Tee-Ftow Thru X - Tee-Branch Flow X ' NOTE: Equivalent length values for PVC pipe Swin Check Valve fittings are based on calculations using the Hazen- � X Witliams Equation. See Advanced Designs for 5Sf5 Mgle Vatve X = for equation. Other pipe material may require different equivatent length fadors. Verify other Globe Valve X - equivalent length factors with pipe material X _ manufacturer. Butterfly Valve - Valve 10 X = NOTE:System installer should contact system designer if the number of fittings varies from the Valve 11 X = design to the actual installation. A. Sum of Equivalent Length due to pipe fittings: �ft B. Totol Pipe Length =Supply Pipe Length(5.B)+Equivalent Pipe Length (9.A.) Hazen-Williams Equation for h � ft ` �� fc = ��ft L _ 10.5 * L *�Q=C)i.gsa Qin gpm �l.r 4.8b55 L in feet C. Hazen-Williams friction loss due to pipe fittings and suppty pipe(h): D D in inches 10.5 X Total Pipe Length (9.6) X (Ftow Rate �Constant)''� = Pipe Diameter'�B6ss 10.5 X �ft X (��gpm + 130),esz t ��fta.aess _ ��ft 11. Total Head requirement is the sum of the Elevation Difference (Line 3),the Distribution Head Loss(Line 4),Additional Head Loss(Line 5), and either Supply Friction Loss(line 9),or Fridion Loss from the Supply Pipe and Pipe Fittings for collection systems(Line 10.C) NOTE:Supply Friction toss(Line 8)need ONLY be used if NOT n collection system. NOTE:Friction Loss from the Suppty Pipe and Pipe Fittings(Line 9.C)need ONLY be used if system is a coliection system. 15.0 ft + 5.0 ft + �ft + 2.6 ft = 22.6 fc 3. PUMP SELECTION A pump must be selected to deliver at least 36 GPM(Line 1 or Line 2)with at least 23 feet of total head. I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws. Joseph J Olson 810 11/04l09 (Designer) (Signature) (License#) (Date)