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� a' OSTP Pump Tank <br /> UNIVERSITY <br /> ��-� <br /> '"'���°^ Desi�n Worksheet , o� Mt���so�ra '"�.:''" <br /> DETERMINE TANK G4PACITY AND DIMENSIfNlS Project ID: 15-0490 v Ob.12.13 <br /> 1. A. Design Flow {Design Sum.tA): 750 GPD <br /> B. Min. required pump tank capacity: 13Q0 Gal t.Recommended pump kank capacity: 1300 Gat <br /> D. Pump tank description: Demand to Pressure <br /> 2. A. Rectangle area�Length(L)X Width(W) <br /> ��ft X C� ft = �ft2 Width <br /> B. Circle area=3.14r�(3.14 X radius X radius) <br /> 3.14 X �� f t = �ft2 ~Length '► <br /> C, Calcutate Gatlons Per IrKh. Mutti�y the area from 1.A or 1.6, by 7.5 to determine the gatlons <br /> per foot the tank holds and divide by 12 to eatcutate the gallans per inch. .�— <br /> � ftZ X 7.5 gaUft3 = 12 in/ft = �Gatlons per inch Radi s <br /> D. Calcutate Total Tank Votume <br /> Depth from bottom of inlet pipe ta tnnk bottom: �in <br /> Totat Tank Yoiume =Depth from bottan of intet p�pe (Line 4.A)X GoUons/lnch (Line 2) <br /> � in X 25.5 Gattons Per Inch= L�Gattons <br /> MANUFACTURER'S SPEGIFIED TANK CAPACITY(wh�n availabie): <br /> 3. A. Tank Manufacturer; PreCast 5ystems —� Note:Design calcu(otiorn ore <br /> bQsed on this specific tank. <br /> B. Tank ModeL• Darvvin 13� Substituting a different tonk <br /> C. Capacity from manufacturer: 1300 Gattons modet wilt change the pump <br /> float or t3mer settings. <br /> Contact designer if changes <br /> D. Gallons per inch from manufacturer: 25.5 Galtans per inch ore neceswry. <br /> E. Liquid depth of tank fram manufacturer: 51.0 inches <br /> DETERMINE DOSING YOLUME <br /> 3. Catcutate Volume to tover Pump (The inlet of tF�e pump must be at teast 4-inches from <br /> the bottom of the pump tank&2 inches of water coveri�g the pump is recommended) <br /> (Pump and block height+2 inches)X Grrttons Per/nch (2C or 3E) <br /> ! 16 jt1 + 2 inches) X 25.5 Gallons Per Inch = 459 Gatlons <br /> 4. Minimum Delivered Votume = 4 X Votume of Distributfo�Piping: <br /> -line 17 of the Pressure Distribution or Ltne t f of Nan-levet 149 Gatlons(minimum dose) <br /> 5. Catculate Ma�cimum Pumpaut Votume (25%of Design Ftow) <br /> �sign Flow: 750 GPp X 0.25 = 188 Gallons(maximum dosej <br />