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. SIZING OF PUMP STATION <br /> 1. lnsert flow rate 600 allons per day <br /> 2. 1nseR gailons per vertical inch from tank manufaciurer 25.0 gallons per inch <br /> 3. Calculate gallons to cover pump sitting on 4 inch block with 2 inches of water <br /> 4 in pad + 10�ump hgt 2 H2� = 16.0 inches of water <br /> 16.0 H20 X 25 gpi = 400 gallons to cover pump <br /> 4. Calculate total pump out volume <br /> a. Calculate gallons per dose based on 4 pumping intervais per day <br /> 600 flow divided by 4 = 150 gallons per dose <br /> b. Catculate drainback <br /> (1) Pump pipe length �diameter = 80 length 2.0 'n diam. <br /> {2} Determine liquid volume of pipe from cha�t per 100 feet = 17.43 <br /> PIPE DIOJI�TER C�P1L!100 FT PIPE�iAAAETER CaAL/100 FT <br /> 1.Z5 f.77 2.50 34.$7 <br /> 1.50 10.58 3.00 38.40 <br /> 2.00 17.�3 4 00 86.1U <br /> (3) Muftiply pipe length by volume divided by 1 a0 to get drainback quantity <br /> 80.0 X 17.43 equals 1394.4 / 100 = 14 gallons <br /> 5. Calculate totai pumpout volume by adding pump dose#4a plus drainback#4b3 <br /> 150.0 gallons + 14 galions = 164 gallons pumpout volume <br /> 6. Calculate volume for alarm based on 3 inches and tank GP! <br /> 25.0 gpi X 3 = 75 gallons <br /> 7. Calculate gallons to co�er pump#3, pumpout volume #5, and alarm volume#f <br /> 400 plus 164 plus 75 equals 639 gallons WiTHOUT <br /> RESERVE CAP. <br /> 8. tf LUG requires 75% daily flow as reserve capacity, <br /> reserve capacity = 450 gallans <br /> 9. Minimum pump ta�nk size WITHOUT reserve capacity equals 639 gallons <br /> 10. Minimum pump tank size WITH reserve capacity equals 1089 gallons <br /> 11. FlQat seperation distance equals pumpout volume#5 divided by tank gpi #2 <br /> 1f4 divided 25.0 gpi = 6.6 inche� ta tether float <br /> PAGE 8 OF 12 <br />