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1 <br /> 12/07/02 Page 1 <br /> , INDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET <br /> A. Flow Estimated GPD = 450 gallons <br /> ' B. SEPTIC TANK LIQUID VOLUME = 1000 gallons <br /> ' C. SOILS (refer to site evaluation) <br /> 1. Depth to restricting layer= 72 inches <br /> 2. Ma�dmum depth of system (C 1-3ft) = 36 inches <br /> , 3. Percolation rate = 30 mpi <br /> 4. Soil Sizing Factor = 2.20 sq.ft./gpd <br /> 5. Land slope= 5 % <br /> ID. DRAINFIELD REQUIREMENTS <br /> ' Infiltrator Model = High Capacity Chamber Model H10 <br /> Equivalent Rock Depth = 42 Inches <br /> Reduction Fador= Q.80 <br /> tSquare Footage Requiremerrt= 792 sq.ft. <br /> Lineal Feet= 264 ft <br /> ' Number of Trenches= 6 ea <br /> Length of Trenches= Varying Lengths <br /> ' Absorotion Width Sizing <br /> Pero rate MPI / Soil Texture Sq.ft. per Gallons per <br /> G�P a /S .Ft. <br /> , <0.1 / Coarse Sand <br /> 0.1 to 5 / Sand 0.83 1.20 <br /> 0.1 to 5 / Fine Sand 1.67 0.60 <br /> ' 6 to 15 / Sandy Loam 1.27 0.79 <br /> 16 to 30 / Loam 1.67 0.60 <br /> 31 to 45 / Silt Loam 2.00 0.50 <br /> ' 46 to 60 / Clay Loam 2.20 0.45 <br /> 1 <br /> ' <br /> ' <br /> ' <br /> , <br /> � <br />