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'FROM RYS PHONE NO. 4422091 Jul. 02 2003 09:20AM P9 <br /> Sizin&,of LqnigS ation <br /> T <br /> 1. DCWrmine Surface Area width <br /> Rectangle=Area= L x W 1 <br /> x_= square feet t.cngtn <br /> Circle=Area=n x(Radius)' <br /> 3.14 x x _= square feet <br /> rz=3.14 <br /> Other=Get Surface Area from Manufacturer <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 <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 = 2�gallons/inch <br /> 3+ Calculate Gallons to Cover Pump(with 2 inches of water covering pump) Esr:marod Sewage Flows in Gallwu per day <br /> (Height(in)+2 inches) xgallons/inch(#2) Number <br /> { + )x �4 gallons of Type i Type if Type til Type <br /> Bedrooms 1V <br /> 4. Calculate Total Pumpout Volume 2 300 225 18o <br /> a. To maximize pump life select sump size for 4 to 5 pump operations per day. 3 450 300 218 co% <br /> Jpd.X /S"'4 gallons per dose 4 600 375 256 nl� <br /> 5 750 450 294 in <br /> b. Calculate drainback r 6 900 525 332 1. <br /> 1. Determine total pipe length, Z0feet 7 1050 600 370 <br /> 2. Determine liquid volume ofpipe,//-y-3gallons per 1(H)fact. S 1200 675 408 wlu,ftag <br /> 3. Mul�fiipp�ly length by volume.- Drainback quantity= <br /> QTS- feet x"gallons/1 W ft.=�L gallons. <br /> Ni disro, Oncj c Gelluns r loll r I <br /> C. Total pump out volume equals dose volume+drainback 4.4 <br /> -allons per dose+ ��gallons= i _gallons 1.25 7.77 <br /> T 1.5 10.58 <br /> S. Calculate Volume for Alarm(typically 2 to 3 inches) 2 17.43 <br /> Depth(in)x gallons/inch 02)= 2.5 24.87 <br /> r,x 'Z _ &_<—o gallons 3 38.4 <br /> 4 66.1 <br /> 6. Calculate Reserve Capacity(75%the daily flow) <br /> Dail yJf o (see page D-7)x.75= <br /> d x.75=n�- gallons <br /> Reserve Capacity <br /> 7. Calculate total gallons <br /> gallons over pump+gallons pumpout+gallons alarm+gallons reserve capcity <br /> #3+#4 c+#5+#6 Alarm <br /> Pump On <br /> 8. 'Total Depth (Total gallon divided by 91101,pro inch) <br /> Total C. 11 n(#7)+ allon/inch(#2) To'1 Pumpout Volumc <br /> ���„S+1=-�YZ inches Pump Off <br /> Pump Hcight <br /> 9. Float Separation Distance(equal total pumpout volume) <br /> Total pumpout volum�e��(�4c)+gallons/inch(312) <br /> --+ _-�-Z inches <br /> tM/�5 /pro o q,9/ j`�i�7 }D 44 J� <br />