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10/06/00 Page 1 <br /> DESIGN PARAMETERS <br /> Flow Estimated GPD = 750 gallons <br /> Septic Tank Volume = 2250 gallons <br /> Depth to Restricting Layer = >62" inches <br /> Percolation rate = 20 mpi <br /> Soil Sizing Factor = 1.67 sq.ft./gpd <br /> Land slope = 0 <br /> Trench Bottom Area = 1252 sq ft <br /> Depth of Rock Below Pipe = 0.5 feet <br /> PUMP CALCULATIONS <br /> Gallons Per Minute Requirement <br /> Minimum In-Line Pressure/Ft. = 1 feet <br /> OrifiCe Diameter = 0.218 inches <br /> Spacing of Perfs in Laterals = 4 feet <br /> Diameter of Manifold = 2 inches <br /> Length of Manifold = 24 feet <br /> Length of Supply Line = 185.0 feet <br /> Diameter of Supply Line = 2.0 inches <br /> Minimum Gallons per Minute = 59 gpm <br /> Head Loss Summations <br /> Supply Line Friction Loss = 7.4 feet <br /> Manifold Head Loss = 0.1 feet <br /> Lateral Network = 0.5 feet <br /> Discharge Assembly= 6.9 feet <br /> Lift to Manifold = 9.8 feet <br /> Total Head Losses = 25 feet <br /> Dose Volumes <br /> Volume of Manifold = 4 gallons <br /> Volume of Laterals = 71.5 gallons <br /> Minimum Dose Volume = 20.0 gallons <br /> Volume of Supply Line= 32.2 gallons <br /> Total Dose Volume = 128 gallons <br />