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�izi�g of Pum�� Station � <br /> l. Detcrminc Surfacc Arca T <br /> Rrctan,�lc=Arca= L x W W'��h <br /> x = square feet 1 <br /> I.cngth — <br /> Circle= Area=rz x(Radius?' <br /> 3.14 x_ x = square feet ����U� <br /> Other=Get 5urfam Area from Manufacturcr ft=3.ta <br /> __square feet <br /> 2. Calculate Gal�ans Pcr inch <br /> Thcre ar�7.5 gallt�ns per cubic foot of vc�lumc, tlicrcfore you must multiply thc arca <br /> times the conversion factor and divide by 12 inches per foot Eo caiculate gallons per inch <br /> Ama x 7.5�ft'+12 inchs per foot <br /> x 7.5+12 = .��gallons/inch <br /> 3. Calcalate Gallons to Cover Pump(with 2 inchcs of�vatcr covcrin�pump) Estimatc�!Scwagc Flows in Gallons per day <br /> (Height(in)+2 inchcs) x gallons/inch(�i2) �g�� <br /> (� G�+�)x�O = 2��gailons um.cr <br /> of 'Typc f Typc!1 Typc 1f[ Typc <br /> I3cdrooms �V <br /> 4. Calculate Total Pumpc�ut Volumc 2 300 225 180 <br /> a. To maximize pump life select�s�um-�j sizc For 4 tc�5 pump o}x:ratiotis per day. 3 450 300 218 � <br /> �_$Pd+4=—�—!__$allons per dosc 4 600 375 256 �r m� <br /> b. Calculate drainback 5 750 450 2yq °"�°� <br /> �� <br /> 6 9UO 525 332 �Yr�•�. <br /> U <br /> 7. Determir�e total pipe length,�D fect. 7 1050 600 370 "'" <br /> 2. Determinc liquid volume of pipe,��gallons per 1(x)fect. 8 l2W 675 408 �„°,u;,�, <br /> 3. Multipiy Icngth b volume: Drainback qinntity= <br /> z�0 fect x�gallons/1(�ft.=�gaflons. <br /> Pi dismete� incha G�Il�na Kr 100lcci <br /> c. Total pump out olume equ��ls dose volinne+drainback 1 4. <br /> ,/��allons per dosc+���allons=�gailons 1.25 7.'77 <br /> 1.S ]0.58 <br /> 5. Calculate Volumc for Alarm(typically 2 to 3 inchrs) 2 17.43 <br /> Dcpth(in1 x gallons/inch(#12)= 2.S 24.87 <br /> Z x �v = 4.C�gallons 3 38.4 <br /> 4 6b.1 <br /> 6. CalcuEate Reserve Capacity(7S7o the daily flc�w) <br /> Da:ly flow(see page D-7)x 75= <br /> Z�.S^d x.75=.��G z gallnns <br /> 7. Calculate totai gallons Rcservc Capacity <br /> �allons ovcr pump+gallons pumFx�ut+�;;�Il��ns alarm +�allons rescrvc capcity <br /> �3+ �4 c+� 5�+# / \ <br /> 2�z+�:,.77�_—+ �=��7Y gallon��s� /2-s� ) Alarm <br /> � Pump On <br /> S. T�tal Dcpth (Total gallon ciividcd hy�allc�n per inch) <br /> Tc�tal Galion(N7?+gallon/i ch l�2) <br /> -� mches T� �Pumpc;ut Uulumc <br /> ��2�} �=_ <br /> ��mu orr <br /> Pump Hcight <br /> 9. Flc�at Scparation Distancc{cyual tt>tai pumpc>ut �-<�liin�c) <br /> Tc�tal pu �ut volumc(#4c)+��llons/inch (#2> <br /> �,'-�-�-+-2� -�a n ch e s <br />