Laserfiche WebLink
, <br /> 11%26/2002 Page 3 ` <br /> ' <br /> DEMAND DOSING WORKSHEET/SGREENED PllMP VAULT <br /> ' Lift Tank= Xerxes RST II 1500 Galion Two Compartment Septic Tank(1000/500)using 500 chamber for lift <br /> Pump Vault= Orenco Systems, Inc. Biotube Pump Vault#PVU57-1819 <br /> ' 1. Determine Surface Area <br /> Rectangle area= L x W= <br /> 4.63 x 5.83 = 27.0 sq�ft. <br /> ' 2. Calcuiate Gallons Per Inch <br /> Area x 7.5/12= 27.0 x 7.5/12= ' 16.9 gallons/in. <br /> ' 3. Calculate Total Tank Capacity(Inside Bottom of Tank to Inlet Invert) <br /> 52.88 inches x 16.9 gallons/inch= 892 811011S <br /> ' 4. Calculate Total Unusable Tank Capacity <br /> A. Inside Bottom of tank to Off Float= 24 inches <br /> B.Convert to gallons, <br /> ' 24 inches x 16.8705625 gallons/In.= 405 8110�S <br /> 5. Calculate Total Usable Tank Capacity <br /> A. Distance between off and inlet invert= 28.88 inches <br /> ' B.Convert to gallons, <br /> 28.88 inches x 16.9 gallon/inch = 487 81g lons <br /> 6. Calculate Gatlons Per pose <br /> ' A.System design flow= 300 gallOnS per daa( <br /> B. Loading Factor= 4 doses per dax <br /> C.Calculate Total Pipe Volume <br /> 1.Determine pipe length of discharge pipe= 50 feet <br /> ' 2. Determine total length of laterals and manifold= 241 feet <br /> 3. Determine liquid volume of pipe= 17.43 gallons/100' <br /> 4.Calculate total volume of discharge pipe and laterals= 51 81g lons <br /> ' D.Total dose volume 126 8110f13 <br /> Gallons per day+total pipe volume= <br /> E. Detennine dose volume in inches= 7.5 i11Ch@S <br /> t7. Set Floats <br /> A.Top of Tank to On/Off Float= 36 II1Ches <br /> ' B. Top of Tank to High Level Alarm= 14.0 inches <br /> 8. Surge Capaciry= 371.152 allons <br /> , <br /> ' <br /> 1 <br /> ' <br /> ' <br />