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514104-001, Ralston Reservoir Inflow Analysis, Brierley Associates, June 13, 2019 <br /> Pit Dimensions <br /> Perimeter of pit (from CAD) 10,178 ft <br /> Depth of pit from ground surface 94 ft <br /> Area of pit (from CAD) 2,312,997 sq ft <br /> Allowable Inflow <br /> Pit sides 149 gpm <br /> Pit bottom 18 gpm <br /> Total Inflow 167 gpm <br /> Seepage Analysis (SeepW 2012) <br /> Max packer value (Hydraulic conductivity) <br /> 2.46E-05 cm/s <br /> 8.07E-07 ft/s <br /> Inflow Seepage rate <br /> File Description ft^3/s/ft gpm <br /> Ralston seepage_94 (2019) groundwater 6094' 3.13E-05 143 <br /> Average packer value (Hydraulic conductivity) <br /> 6.77E-06 cm/s <br /> 2.22E-07 ft/s <br /> Inflow I Seepage rate <br /> File Description ft^3/s/ft gpm <br /> Ralston seepage_94 (2019) -avg groundwater 6094' 9.95E-06 45 <br />