Laserfiche WebLink
SizinL of Pump 5tation <br /> l. Dctcrminc Surfacc Area T <br /> Rcctanglc=Arca= L x W WiJih <br /> x = square feet 1 <br /> Lcnglh <br /> Cirde=Area=rz x(Radius)2 <br /> 3.14 x x = square feet Radius <br /> Other=Get Surface Area from Manufacturer n=3.1a <br /> square feet <br /> 2. Calculate Gallons Per lnch <br /> Thcre are 7.5 gallons per cubic foot of volumc,thcrcforc you must multiply the arca <br /> times the conversion factor and divide by 12 inches per foot to calculate gallons per inch <br /> Arca 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 coverinfi pump) Estimata!Sewage Flows in Gallons per day <br /> �BP�) <br /> (Height(jn)+2 inches) x allons/inch(�t2) um r <br /> (�_+ �_)x�_�Qgailons of Type[ Type❑ Type III Typc <br /> Bcdrooms 1 V <br /> 4. Calculate Total Pumpout Volume 2 300 225 180 <br /> a. To maximize pump life select su�sizc for 4 to 5 pump oExrations per day. 3 450 300 218 � <br /> ����gpd+4=��allons per dosc 4 600 375 256 �r m� <br /> b. Calc late drainback Vy�U� <br /> 5 750 45U 294 ;,, <br /> p p g �� 6 900 525 332 �Yr��. <br /> 1. Determine total i c len th fee�� 7 1050 6W 370 ""' <br /> 2. Detcrminc liquid volume of pipe��T`gallons per 1(x)fc.�ct. 8 1200 675 408 «,i��,� <br /> 3. Mul 'ply length b olume: Drainback quantity= <br /> ,��_fcet x�gallons/l00 ft._ ��gallons. <br /> Pi di�meler inchcs Gxil�nx r 100 ful <br /> c. Total pump out volume equals dose vol�u�mS.+� drainback 1 4.4 <br /> ��S C� gallons per dosc+v gallons= `��_ gallons 1.25 7.77 <br /> 1.S 10.58 <br /> 5. Calculate Volume for Alarm(typically 2 to 3 inchcs) 2 17.43 <br /> Depth(in)x ga]Lons/inc (#2)= 2..5 24.87 <br /> v x �- _�gallons 3 38.4 <br /> 4 66.1 <br /> 6. Calculate Reserve Capacity(75%the daily flow) <br /> Daily ow(see page Q-7)x.75= <br /> x.75=���gallons <br /> Rcservc Capacity <br /> 7. Calculate total gallons <br /> �allons over pump+gallons pumpout+gallons alarm+gallons reserve capcity <br /> �t3+, #4 c+t►5+#6 <br /> /��5��_�O +�O � = gallons Alarm <br /> '`�'� Pump On <br /> 8. Total Depth (Total gallon dividcd by�allon per inch) <br /> Total lon(#7)+fiallo 7i c1�,1#2) I To I Pumpout Uolumc <br /> ���a = , ��sinches PumpOfF <br /> Pump Hcight <br /> 9. Float Separation Distance(equal total pumpout voluine) <br /> Total�umpout volu e( c)+gallons/inch(#2) <br /> ��:2(�=f%e��nches <br />