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aSi7ingof Pum=LI.;tati411 <br /> 1. Determine Surface Area T <br /> Rectangle=Area=L x W Width <br /> x = square feet 1- <br /> Length <br /> Circle=Area=a x(Radiusy <br /> 3.14 x x = square feet <br /> Radius <br /> Other=Get Surface Area from Manufacturer R=3.14 <br /> square feet <br /> 2. Calculate Gallons Per Inch <br /> There are 7.5 gallons per cubic foot of volume,therefore you must multiply the area times the <br /> conversion factor and divide by 12 inches per foot to Oculate gallons per inch <br /> Area x7.5+12 Ia'" <br /> x 7.5+12 = Z! gallons/inch /)q a� <br /> 3. Calculate Gallons to Cover Pump(with 2 inches of water covering pump) Fame eod$e`°sp Flow w Gamma PQ Day(VA) <br /> (Height(in)+2 inches) e« <br /> gallons/inch N=e <br /> ( fa + Z )x =3a0 gallons aedr"M Typ`t ° <br /> IV <br /> 2 300 225 ISO .�. <br /> 3 Asci.— acro 21 t • <br /> 4. Calculate Total Pumpout Volume �3 ', T�, 375 256 <br /> 29008 <br /> A. To ximize pump life select sump size for 4 to 5 pump operations per day. <br /> 6 900 525 332 <br /> o� gpd+4= / 5"d gallons per dose 7 1050 600 370 <br /> B. Calculate drainback $ 12ao 1 675 1 aos <br /> a. Determine total pipe length,/°d feet. <br /> b. Determine liquid volume of pipe,17 1/ gallons per 100 feet. (see page F-13) <br /> c. Multiply length by volume: Drainback quantity= 1.25 7.77 <br /> 10 feet x gli gallons*100 ft.= 17,14 gallons. 1.5 10. <br /> 47 <br /> C. Totalpump out volume equals dose volume+drainback �' .87 <br /> lLL-gallons per dose+ 17,V gallons= (ol, Total allons 3338. <br /> 5. Calculate Volume for Alarm(typically 2 to 3 inches) <br /> 1 e th(in)x gallons/ingh= <br /> Reserve Gpscity <br /> x Z= _9S gallows <br /> 6. Calculate Reserve Capacity(75%the daily flow) y Al� <br /> Daily flow(see page D-7)x.75 y p,,w On 75-- <br /> 60° x.75= YSo gallons gallons 7. Calculate total V P,--- T <br /> gallons over pump+gallons pumpout+gallons alarm+gallons reserve p <br /> 3+4+5+6 l� " <br /> .30 C + 141 + 7 5 +-/So = 17 3 gallons UA-Q- ,1 <br /> /0oa p 1( <br /> 8. Total Depth (Total gallon divided by gallon per inch) <br /> Total Gallon+gallon/inch <br /> Ic6a + 6 = 1 .o inches <br /> 9. Float Separation Distance(equal total pumpout volume) <br /> To 1 pumpout volu gallons/inch <br /> / + _ JA inches <br />