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_ , �� <br /> OSTP Pump Selection Design <br /> UN i V ERS I TY <br /> Minnesota Poilution Worksheet QF �IN\ESOTA <br /> Ctrrrtro!A n <br /> 1. PUMP CAPACITY v 11.05.31 <br /> A Pumping to Gcaviry or Pressure D'estribution: O 6ravity OO �e � Selection requ4red <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 sysiem: <br /> OO rreatm�t system O Collecton sysoem Selection required for worksheet to work property <br /> 3. If pumping to a pressurized treatment system,what part or type of system: <br /> Soil Treatment Unit Media Ftter Other <br /> 4. if pumping to a pressurized distnbution system: 36.0 GPM <br /> (line 11 of Preswre Distribution or fJne 10 of Non-tevel or enter if Collection System) <br /> 2. HEAD REQUIREMENTS <br /> tieaarem.ysahn <br /> 3. Elevation Difference 11 ft x�F�""��`d'a�e <br /> between pump and point of discharge: �� � <br /> � `�� <br /> NOTE:IF system is on individual subsurface sewoge trentment 5"�y4t� <br /> system, complete steps 4-9. !f rystem is a Collection System, �+v�- Er��d,;a„;' <br /> skip sreps 4,5, 7 ond 8 and go ro Step 1Q. ` I �� ' � "�`'"'"`" <br /> I <br /> 4. Distribution Head Loss: �ft �� ----------------------------- -------------� <br /> 5. Additional Head Loss: �ft(due to special equipment,etc.) h�Friction Loss in Plastic Pipe per 100 ft <br /> Distribution Head Loss ��_�30f <br /> Gravity Distribution - UR Nominai Pipe Diameter <br /> Pressure Distribution based on Minimum Average Head Fbw Reitc � q�j4 1'�i 2 3 <br /> V�l��cui Prr�suue DisLritwlicxi Wiakstx�i.: �M <br /> �a 9_'11 s_os �_zr a_�� - <br /> Minimum Avera e Head Distri6ution Head Loss �Z 1277 4.31 1.78 0.44 - <br /> 'i ft 5ft <br /> 2ft 6ft 14 16.99 5.74 236 0.58 -- <br /> 5ft �pft 16 - 7_35 3.03 D_75 Q_10 <br /> 18 -- 9.14 3.76 0.93 0.13 <br /> 6. A.Supply Pipe Diameter. 2.0 in 20 -- 11.11 4.68 1.13 0.16 <br /> B.Supply Pipe Length: 100 ft 25 - 16.79 6.92 1.71 0.24 <br /> 30 9.69 239 0.33 <br /> 7. Based on Frictio�Loss in Ptastic Pipe per 100ft from Table I: 35 -- - 12_90 3_1$ 0.44 <br /> 40 --- -- 76.52 d.07 0.57 <br /> Friction Loss= 3.32 ft per 100ft of pipe .¢5 -- - -- 5.07 0.70 <br /> g, Determine Equivnlent Pipe Length from pump discharge to soil dispersal 5a - - --- 6.16 4.86 <br /> area discharge point. Estimate by adding 25%to supply pipe length for 55 --- -- -- 7.35 1.02 <br /> fitting loss. Supply Pipe tength(6.8) X 1.25=Equiva(ent Pipe Length 60 -- -- --- 8_63 1_20 <br /> b5 -_ __ __ 10.01 1.39 <br /> 1 d0 ft X 1.25 = 125.0 ft 7p -_ _ __ 11.48 1.s0 <br /> 9. Calculate Supply Friction Loss by multiptying Friction Loss Per f00ft (Line 6)by the Equivatent Pipe Length (Line 7)and divide by 100. <br /> Supply Friction Loss= <br /> 3.32 ft per looft X 125.0 ft - 100 = 4.2 ft <br />