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OSTP Pump Selection Desi�n � <br /> Minnesota Poliution UNIVERSITY �'"'�� <br /> Worksheet OF 1�INNESOTA ,;,� ,�� � <br /> Control A enc 1.�, <br /> 1. PUMP CAPACITY v 11.05.31 <br /> A. Pumping to Gravity or Pressure Distribution: O����h OO P�� Setection required <br /> 1. if pumping to gravity enter the gallon per minute of the pump: �GPM <br /> 2. Is the pump for the treatment system or the collection system: <br /> QQ Tzatmmt system Q conection sys�m Selection required for worksheet to work properly <br /> 3. If pumping to a pressurized treatment system,what part or type of system: <br /> ❑Soil Treatment Unit ❑Media Filter ❑Other <br /> 4. It pumping to a preswrized distnbution system: 36.0 GPM <br /> (Une 71 of Pressure Dlstribudon or Line 10 of Non-leve!or enter i/Col(ection System) <br /> 2. HEAD REQUIREMENTS <br /> � reatme�+sys em <br /> 3. Elevation Difference 13 ft &point of diuharge <br /> between pump a�point of discharge: �" <br /> �n <br /> NOTE:!F system is an individual subwrface sewage[reotment <br /> w���� <br /> system,complete steps 4-9. If system rs a Collection System, ��v�ae 0 Eie�erion%' <br /> skip steps 4�5�7�lld 8 Qlld QO[O S[PP 1O. d�Herence <br /> -..-.--_:_.- <br /> __.._ <br /> --.. <br /> ---._..... � . <br /> 4. Distribution Head Loss: �ft � � ---------------------------- ------------- <br /> 5. Additional Head Loss: �ft(due to special equipment,etc.) h�Friction Loss in piastic Pipe per 100 ft <br /> Distribution Head Loss (C=130) <br /> Gravity Distribution = Oft Nominal Pipe Diameter <br /> Pressure Distribution based on Minimum Average Head Flow Rate � ���� �y� 2 3 <br /> Value on Pressure Distribution worksheet: <br /> 10 9.11 3.08 1.2T 0.31 --- <br /> Minimum Avera e Head Distribution Head Loss �2 �2_77 4.31 1.78 0.44 --- <br /> 1ft 5ft �4 16.99 5.74 2.36 0.68 --- <br /> 2ft 6ft <br /> 5ft 10ft �6 --- 7.35 3.03 0.75 0.10 <br /> 18 --- 9.14 3.76 0.93 0.13 <br /> 6. A.Supply Pipe Diameter: 2.0 in 20 --- 11.11 4.58 1.13 0.16 <br /> B.Supply Pipe Length: 85 ft 25 -- 16.79 6.92 1.71 0.24 <br /> 30 --- --- 8.69 2.38 0.33 <br /> 7. Based on Friction Loss in Plastic Pipe per 100ft from Table I: 35 -- --- 12.90 3.18 0.44 <br /> 40 --- --- 16.52 4.07 0.67 <br /> Frtctlon Loss= 3.32 ft per t00ft of pipe 45 --- --- --- 5.07 0.70 <br /> g, Determine fquiva[ent Pipe Length from pump discharge to soil dispersal 50 --- --- --- 8.16 0.86 <br /> area discharge point. Estimate by adding 25�to supply pipe length for 55 --- -- --- 7.35 1.02 <br /> fitting loss. SupplyPlpe Lerrgth(6.8) X 1.25 @ Equivalent Pipe Leng[h 60 --- --- --- 8.63 1_20 <br /> 65 --- --- --- 10.01 1.39 <br /> 85 ft X 1.25 = 106.3 ft 7O ___ ___ --- 11.48 1.60 <br /> 9. Calculate Supply Fric[ion Loss by multiplying Friction Loss Per 1UDft (Line 6)by the Equivalent Pipe Lengfh (Line 7)and divide by 100. <br /> Supply Friction Loss= <br /> 3.32 ft per 100ft X 106.3 ft t 100 = 3.5 ft <br />