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IF <br /> F <br /> Sanitary Mound Design <br /> F` <br /> Total#of Employees (Includes Future) 35 <br /> From UPC Table 1-3 use 35 GPD/Employee <br /> rAverage Daily Flow (ADF) 1225 GPD <br /> Spetic Tank Size: 1200 gal +ADF 2500 gallon <br /> Leach Field: (Tank size +ADF)* Soil Factor(Sewage standards 8.6.2) <br /> (2500+1225)'`0.225 840 Ft <br /> w Pipe Diameter 4 In. <br /> Dosing Tank is required <br /> (73% of leaching pipe volume) 400 gal. <br /> Trench Dimensions: <br /> Width 2 Ft <br /> Depth 2.833 Ft <br /> Total absorption area 3300 sqft <br /> a , <br /> Mound Calculations based on EPA Design Manual <br /> Leaching area: <br /> A(width) 98 Ft <br /> B (line length) 100 Ft <br /> i Mound Dimensions: <br /> D (fill depth) Table 7-9 1 Ft <br /> E (fill depth) 1 Ft <br /> F (trench depth including straw) 34 In <br /> G (cap @ trench edge) Table 7-9 1 Ft <br /> H (cap @ trench center) Table 7-9 1.5 Ft <br /> Mound Perimeter: <br /> (downslope: [trench area/B-total trench width] 15 Ft <br /> _ J (upslope: [D+F+G]*3) 15 Ft <br /> K(side slope: [D/2+E/2 +F+H]*3) 16 Ft <br /> L (mound length: B+2*K) 132 Ft <br /> W(mound width: J+A+I) 128 Ft <br /> M <br /> F <br />