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06/15/99 TUE 1$:34 FAX 770 435 5997 FACILITY ENGRS W003 <br /> Sanitary Mound Deulgn <br /> Total#of Employees(Includes Future) 35 <br /> From UPC Table 1-3 use'35 GP.DIEmpioyse <br /> Average Daily Flow (ADF) 1225 GPD <br /> Septic Tan k Size: 1240 gal+ADF=24,d 5 gal 2500 gallon <br /> Leach Field: (Tank size+ADF)"Soil Fa Aor(Sewage standards 9.6.2) <br /> Minimum length= (25)0+1225)00.225 838 LF <br /> Pipe Diameter 4 In. <br /> M Capacity=841.5 LF x 0.0873 SF x 7.5 gal/CF 551 gal. <br /> Dosing Tank Is required <br /> (73%of leaching pipe vol umo of 55 gal) 400 gal. <br /> Trench Dimensions: <br /> Width 2 Ft <br /> j Dept 1.833 Ft <br /> 1 Total absorption area ((2);0.B3)+(2))[8401 3474 Ft <br /> Mound Calculations based on EPA Design Man 62511-80-0.12, <br /> Chapter 7, Section 7.2 A, MOL nd Sys stems. <br /> Leaching area: <br /> A(width) 66 Ft <br /> S(line length) 474 Ft Required) 93.5 Ft <br /> Mound Dimensions: <br /> D(fill depth) Tat-le 7-9 <br /> E(fill depth) 2.83 Ft <br /> F(trench depth Including strwv) •2.83 Ft <br /> G(cap [trench edge) Tat le 7-9 1 Ft <br /> H(cap @trench center) Tat de 7-9 1.5 Ft <br /> Mound Perimeter. <br /> I(douvnsiope: [trench area/g- total trench width] 17 Ft <br /> J (upslope: [D+F+G]"3) 17 Ft <br /> K(side slope: [D12+EJ2+F+Fj*3) 17 Ft <br /> L(mound length: B+2*K (126 Ft Required) 132 Ft <br /> W(mound width:J+A+I) 100 Ft <br /> f <br /> M <br /> 4 <br /> 4 <br /> I <br />