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� � � OSTP Pump Selection Design = <br /> LTNIVERSITY ` - <br /> Mlnnesota Pollution Worksheet OF MINNESOTA � <br /> Control A enc ����w <br /> 1. PUMP CAPACITY <br /> A. Pumping to Gravity or Pressure Distribut9on: O cravity OO Pres�,re � 'I <br /> 1. If pumping to gravity enter the gatlon per minute of the pump: ��GPM <br /> 2. If pumping to pressure,is the pump for the treatment system or the cotlection system: <br /> �Treatrr�ent Syshem �Collection System <br /> 3. If pumping to a pressurized treatment system,what part or type of rystem: <br /> ❑Soil Treatment Unit ❑Media Filter ❑Other <br /> 4. If pumping to a pressurized distnDution system: 38.0 GPM <br /> (Line il of Pressure Distributlon or Line f0 of Non-Level or enter if Collection Syst�n) <br /> 2. HEAD REQUtREMENTS <br /> oi treatment rystem <br /> 3. Elevation Difference 13 ft &point of disd�arge <br /> between pump and point of discharge: � <br /> NOTE:IF system is an individual subwrface sewage treatment <br /> z�e����` <br /> system,comp(ete steps 4-9. If rystem is a Collection System, ���p� <br /> skip steps 4, 5,7 and B and go to Step 10. m _ ��e� <br /> =__--_ = <br /> ff��--11 - ---.- I <br /> 4. Distribution Head Loss: ' ' Ift � ----------------------------- -------------. <br /> �-J <br /> 5. Additional Head Loss: ��ft(due to speciat equipment,etc.) <br /> Distribution Head Loss Fnctwn Loss m P asfic P�pe per 100 <br /> Gravity Distribution = Oft C=130 <br /> Nominat Ripe Diameter <br /> Pressure Distribution based on Minimum Average Head F oW ate <br /> Value on Pressure Distribution Worksheet: G� 1 1�/4 1Y4 2 3 <br /> Minimum Avera e Head Distribution Head Loss 10 8.11 3.08 1.27 0.31 - <br /> �ft 5ft �2 12.77 4.31 1.78 0.44 <br /> 2ft 6ft "-" <br /> 5ft 1 oft 14 16.98 5.74 2.36 0.58 - <br /> 16 --- 7.35 3.03 0.75 0.10 <br /> 6. A.Supply Pipe Diameter: 2.0 in �g -- 9.14 3.76 0.93 0.13 <br /> B.Supply Pipe Length• 95 ft 20 - 11.11 4.58 1.13 0.16 <br /> 7. Based on Friction Loss in Plastic Pi 25 -- 16.79 6.92 1.71 0.24 <br /> pe per 100ft from Table I: 30 --- -- <br /> 9.69 2.39 0.33 <br /> Friction Loss= 3.67 ft per t00ft of pipe 35 --- -- 12.90 3.18 0.44 <br /> 40 --- --- 16.52 4.07 0.57 <br /> g, Determine Equivo(ent Pipe Length from pump discharge to soit dispersal 45 ___ � ___ 5.07 0.70 <br /> area discharge point. Estimate by adding 25%to supply pipe length for <br /> fitting loss. Supply Pipe Length(5.6) X 1.25=Equivalent Pipe Length 50 --- -- --- 6.16 0.86 <br /> 55 -- - --- 7.35 1.02 <br /> 95 ft X tZ5 = 118.8 ft 60 -- -- --- 8.63 1.20 <br /> 9. Calculate Supply Frfc[ion toss by muttiplying Friction Loss Per f00ft (Line 6)by 65 '+ -' --- �0.01 1.39 <br /> Supply Fridion Loss= 7O --- -- --- 11.48 1.60 <br /> 3.67 ft per t00ft X 118.8 ft + 100 = 4.4 ft <br />