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Connell Resources 5/19/2015 <br /> by: CRH <br /> SerFer Pit <br /> 1 Seepage Testing Calculations - Second phase of testing <br /> Start Date of Test 14-Apr-15 <br /> End Date of Test 8-May-15 <br /> Total number of days of Test 24 <br /> Units <br /> 2 Starting Reservoir Volume 0.00 acre-feet <br /> 2 Ending Reservoir Volume 1.34 acre-feet <br /> Inflows <br /> 3 Measured Rainfall at reservoir site 3.31 Inches <br /> Lot Surface Area (contributing area) 32.8 acres <br /> Lot Surface Area - Water Surface Area 30.3 acres <br /> Runoff Ratio (runoff/rainfall) 0.3 in/in <br /> Runoff Volume 3.20 acre-feet <br /> Outflows <br /> 4 Evaporation 0.27 ft <br /> Surface Area of Standing Water 2.51 acres <br /> Volume Evaporated 0.672 acre-feet <br /> Total Calculated Seepage over test period (Volume + Outflow -1.19 acre-feet <br /> Calculations for State Engineers Standards <br /> Reservoir Floor surface area 576657 sq-ft <br /> Total Wall Area 206205 sq ft <br /> Allowable Wall Seepage 0.03 cu ft/day/sq ft <br /> Allowable Floor Seepage 0.0015 cu ft/day/sq ft <br /> Calculated Allowable Wall Seepage 3.41 acre-feet <br /> Calculated Allowable Floor Seepage 0.48 acre-feet <br /> Calculated Allowable Reservoir Seepage(Design) 3.88 acre-feet <br /> Calculated Allowable Reservoir Seepage(Performance) 11.65 acre-feet <br /> Notes: <br /> 1 Calculations prepared by Applegate Group Inc. <br /> 2 Water contained in pit,survey completed by Connell Resources 2/9/2015,sketch 3/24/2015 <br /> 3 Data collected by Connell Resources <br /> 4 From NOAA Technical Report NWS 33 and SEO Guidance for Gravel Pit SWSPs <br />