Laserfiche WebLink
OSTP Pump Setection Design <br /> UNIVERSITY <br /> Minnesota Pollution Worksheet UF IVIINNESOTA.._l�`` � "� <br /> Control A enc `'`�'� <br /> 1. PUMP CAPACfTY v i 1.05.31 <br /> A. Pumping to Gravity or Pressure Distribution: O Gr�.�cy r;Press�re $electio�requised <br /> 1. If pumping to qravity enter the galton per minute of the pump: �GPM <br /> 2. is the pump for the treatment system or the co(tection system: <br /> Q Treaanent system Cj Cdku�on Sysoan Selection required for woricsheet to work properly <br /> 3. if pumping to a preswrized trea[men[sys[em,what part or type of system: <br /> f�!Soil Treatrnent Unit u Media Filter ❑Other <br /> 4. It pumping to a pressurized distnbut�on system: 39,0 GPM <br /> {Line i 1 of Presvre Distrlbunon or Line f0 of Ilon-Levei or enter if Co[(ecHort System} <br /> Z. HEAD REQUIREMENTS <br /> ��rentrnenrrys�em <br /> 3. Elevation Difference 19 ft &pointo�disch.nge <br /> between pump and point of dixharge: <br /> �w�'y'""`u�` <br /> KOTE:1Fsystem is an individuai subwrface sewaqe treatment _ ___) <br /> rystem,complete steps 4-9. If system is a Coi(ection System, �v�n <br /> n Elevation;: <br /> skip steps 4,5,7 and 8 and go ro Step f0. �'`ern^� <br /> 1.--- -.: i <br /> 4. Distribution Head Loss: I-1ft t . . . .� _' i i -----------------------------�------------ <br /> 5. Additional Head Loss: �ft(due to special equipment,etc.) h�Friction Loss in Plastic Pipe per 100 ft <br /> Distribution Head Loss (C=130) <br /> Gravity Distribution = Oft Nominai Pipe Diameter <br /> Pressure Distribution based on Minimum Average Head Flow Rdte � �,�� �y� 2 3 <br /> Vatue on Pressure Distribution worksheet: P <br /> 10 9.11 3.08 1.27 O_31 --- <br /> Minimum Avera e Head Distribution Haad Loss �2 12.77 4_31 1.78 0.44 --- <br /> 1ft 5ft <br /> 2ft 6ft <br /> 14 16.99 5.74 2.36 0_58 - <br /> Sft 1 Oft �6 -- 7.35 3.03 0.75 0.10 <br /> 18 --- 9.14 3.7fi 0.93 0.13 <br /> b. A.Supply Pipe Diameter 2.0 in 20 - 11.11 4.58 1.13 0.16 <br /> B.Supply Pipe Lengih: 150 ft 25 --- 16.79 6.92 1.71 0_24 <br /> 30 -- -- 9.69 2.39 0.33 <br /> 7, Based on Friction Loss in Plastic Pipe per t00ft from Table 4: 35 --- - 12,90 3.'18 0.44 <br /> 40 -- '16.52 4.07 0.57 <br /> Frittion Loss= 3.85 ft per 10Qft of pipe 45 --- --- -- 5.07 0_7Q <br /> g. Determine Equivatent Pipe Length from pump discharge to soil dispersal 5U -- --- -- 6.'I 6 0.86 <br /> a�ea discharsse poinL Estimate by adding 25%to wpply pipe length for 55 -- - -- 7.35 1.02 <br /> fitting loss. 5upply Pipe Length(6.8) X 1.25=Equivatenf Pipe Length 60 --- --- --- 8.63 1.20 <br /> 65 - --- --- 10.01 1.39 <br /> i 50 ft X 115 - 187.5 ft �0 --- --- --- 'I'1.48 1.60 <br /> 9. Catcutate Supply Friction Loss by multiplying Friction Loss Per 100ft (Line 6)by the Equivnlent Prpe Length �Line 7)and divide by 100. <br /> Suppty fnction Loss= <br /> 3.85 ft per t00ft X 187.5 ft + t00 = 7.2 ft <br />