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Uxivaxam wMrxxaeuu <br /> Pump Tank Sizing, Dosing and Float S w GE <br /> TREATMENT <br /> MinnesataPollution and Timer Setting Design Worksheet PROGRAM <br /> Control Agency <br /> DOSING VOLUME <br /> 7. Calculate Minimum Pumpout Volume <br /> Volume of Distribution Piping -Line 17 of the Pressure Distribution Worksheet Gallons <br /> Minimum Pumpout Volume=Volume of Distribution Piping X 5 18.0 X 5 = 9Q Gallons <br /> 8. Calculate Maximum Pumpout Volume (25%of Design Flow) <br /> Design Flow: 6QQ GPD x 0.25 = 150 Gallons <br /> q Dosing Volume=Select a volume for 4-5 doses per day and is between the minimum(Line 7)and maximum 150 Gallons <br /> (Line 8)pumpout volume: <br /> 10. Calculate Doses Per Day =Design Flow/Dosing Volume <br /> 600 - 150 = 4.0 Volume of Liquid in <br /> Doses Per Day <br /> Pipe <br /> 11. Calculate Drainback: <br /> Pipe Liquid <br /> A. Diameter of Supply Pipe= 2 inches Diameter Per Foot <br /> B. Length of Supply Pipe= 400 feet (inches) (Gallons) <br /> 1 0.045 <br /> C. Volume of Liquid Per Lineal Foot of Pipe = 0.170 Gallons 1.25 0.078 <br /> D. Drainback =Length of Supply Pipe X Volume of Liquid Per Lineal Foot of Pipe 1.5 0.110 <br /> 400 1 X 0.170 = 68.0 Gallons 2 0.17 <br /> 3 0.380 <br /> 12. Total Dosing Volume =Dosing Volume (Line 9)minus Drainback (Line 11.D) 4 0.661 <br /> 150 68.0 = EifflGallons <br /> FLOAT AND TIMER SETTINGS <br /> A. TIME/DOSING SETTINGS <br /> 13. Required Flow Rate: <br /> A. From Design (Line 12 of Pressure Distribution Worksheet): GPM <br /> B. Or calculated:GPM=Change in Depth(in)x Gallons Per Inch(Line 2) !Time Interval in Minutes <br /> x 25.0 o = � GPM <br /> 14. Choose a Flow Rate from Line 13.A or 13.6 above. GPM <br /> 15. Calculate TIMER ON setting: <br /> Total Dosing Volume(Line 12)/GPM(Line 14) <br /> Minutes ON <br /> 16. Calculate TIMER OFF setting: <br /> Minutes Per Day(1440)IDoses Per Day(Line 10)- Minutes On(Line 15) <br /> 1440 t}�Q _ Minutes OFF <br /> 17. Measuring from bottom of tank: <br /> Distance to set Pump Off Float=Gallons to Cover Pump(Line 5)/Gallons Per Inch(Line 2): <br /> 250 25.0 = 10 Inches <br />