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. . <br /> Sizin.g of Pumn Station <br /> 1. Dctcrminc Surfacc Arca T <br /> Rcctanglc=Arca= L x W WiJih <br /> 1 <br /> x = square feet I,cngih <br /> Circie= Arca=n x(Radius)� <br /> 3.14 x x = square feet Radius <br /> Other=Cet Surface Area from Manufacturer a=3.ta <br /> square feet <br /> 2. Calculate Gallons Per inch <br /> There am 7.5 gallons per cubic foot of volume,thcrefore you must multiply the ama <br /> times the conversion factor and divide by 12 inches per foat to ealculate�allons per inch <br /> Area x 7.5 gpft'+12 inchs per foot <br /> x 7.5+12 �� gallons/inch <br /> 3. Calculate Gallons to Cover Pump(with 2 inches of water cnvering pump) �amata!Scwagc Flows in Gallons per d•ry <br /> (Height(in)+2 inc es) x allons/in #2) �g�� <br /> (��+�)x��� gallons af r Type I Typc I[ Type 1II Ty pc <br /> Bcdrooms 1 V <br /> 4. Calculate Total Pumpout Volume 2 300 225 180 <br /> a. To maxim�'�,e pump life select s s�ze for 4 to 5 pump operations per day. 3 450 300 218 �� <br /> �+4=��gallons per dose 4 600 375 256 �,�� <br /> b. Cal ulate drainback S 750 450 294 ;� <br /> � feet. 6 900 525 332 ��i w�' <br /> 1. Determine total pipe length, 7 1050 6W 370 <br /> 2. Determine liquid volume of pipe,��allons per 1(x)fc�ct. 8 1200 675 408 �„�°„� <br /> 3. Mult�i 1y length b v me: Drainback qu itity= � <br /> <S O fcet � allons/]00 ft._�gallons. <br /> C. Total pump o o ume equals dose vol +drainback P' d'umaa inches Gallans.er 100 fec� <br /> /_��allons per dose+�gallons=1/9,�8allons 1.25 7.77 <br /> 1.S 10.58 <br /> 5. Calculate Volume for Alarm(typically 2 ta 3 inrhes} 2 17.43 <br /> Depth(in)x gallons/inch(#2)= 2.S 24.87 <br /> 2!> x Z. _,�4 gallons q ��.1 <br /> 6. Calculate Reserve Capacity(75%the daily Flow} <br /> Dail flow(see pag 7)x.75= <br /> �O x.75��gallons <br /> 7. Calculate total�allons Reserve Capacity <br /> gallons over pump+gallons pumpout+gailons alarm+gallons reserve tapcity <br /> �13+ c+#5+# <br /> i <br /> z + +�+��j�= gallons A� <br /> Pump On <br /> 8. Total Depth (Total gallon dividcd by gallon per inch) <br /> Tot�C2" ! n(�)+gall ' ch(#l2) To 1 Pumpout Volumc <br /> / +LO Zinches <br /> Pump Off <br /> Pump Hcight <br /> 9. Float Scparation Distancc(equal total pumpaut volumc) <br /> Tot 1 ump t volu +gallans/inch(#2) <br /> ��+�= inches <br />