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Table G-2 Drainage Calculations <br /> Drainage Basin 1 <br /> We <br /> —Area Curve charge,FIow Raw Storage <br /> .......... <br /> Jac) ffp Capacity <br /> fac <br /> .....................Base 62.5 80 0.75 3.129 1 0 64.5 <br /> Mine 62.5 84 1.23 4.138 1 1000-3000 451.6 <br /> Reclamation 62.5 85 1.40 4.493 0 87.2 <br /> Drainage Basin 2 <br /> 1 Site Area Curve - r Discharge Flow Rate 5OW, 00-Yr'24-H <br /> Condition (ac) Number,",", rr txAft) (glom)* -CVWity <br /> ac <br /> Base 28.7 88 0.86 2.418 15,980 N/A <br /> Mine 128.7 88 0.87 2.446 1000-3000 179.6 <br /> Reclamation 1 287 92 1.29 3.111 0 19.8 <br /> Drainage Basin 3 <br /> .......... Me <br /> Area Curve 5-Yr 24-Hr 1*4i Discharge Flow Rate Storage <br /> (ac) Number Runoff(ac4t) twm)* Capacity <br /> fac-ftl <br /> Base 39.2 79 0.41 1.820 11,100 N/A <br /> Mine 39.2 87 1,06 3,108 1000-3000 579.0 <br /> Reclamation 158 0 31.2 <br /> The Discharge Flow Rate is calculated from the peak discharge of the 100-Yr 24-Hr storm event. <br /> Delta Paving Gravel Pit April 2022 G-5 Lewicki 81 Associatcs <br /> E <br />