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Table 1 <br />SEDIMENTATION POND N0. 1 - DESIGN SUMMARY <br />Drainage Area <br />Runoff Volume (10•year, 24-hour event) <br />Runoff Storage Volume <br />Required (10-year, 24, hour event) <br />Required (25-year, 24-hour event) <br />Actual <br />Sediment Volume <br />Required (1 year) <br />Required (2 years) <br />Actual <br />7.50 acres <br />0.76 acre-feet <br />0.76 acre-feet <br />1.06 acre-feet <br />2.15 acre-feet <br />0.52 aa~e-feet <br />1.04 acre-feet <br />1.06 acre-feet <br />Permanent Pool 0.61 awe-feet <br />Total Storage Capacity <br />Required (25-year, 24-hour/2 year sediment/permanent pool)2.71 acre-feet <br />Actual 4.00 acre-feet <br />• Elevation Design Water Level <br />(10-year, 24•hour event) 6118.20 feet <br />Elevation Maximum Water Level <br />(25-year. 24•hour event) 6119.00 feet <br />Elevation Design Sediment Level 6114.00 feet <br />Elevation Top of Embankment (Lowest Point) 6122.00 feet <br />Outlet Works <br />Principal Spillway <br />Type: 12 inch diameter gated decant line <br />Elevation invert 6116.00 feet <br />Freeboard 3.00 feet <br /> <br />13 Revised 4110196 <br />Minor Revision No. 30 <br />