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East Buzzard Pond System <br /> SEDCAD Results <br /> May 2022 <br /> East Buzzard#3 <br /> Description <br /> Stage Storage Source Monte McCoy Designs <br /> Composite Curve Number Method Runoff Weighted <br /> Total Acres 573.8 <br /> Total Disturbed Acres 82.9 <br /> Composite Curve Number 72 <br /> Principal Spillway Configuration <br /> Type Channel <br /> Elevation(ft) 6247.0 <br /> Bottom Width(ft) 5 <br /> Side Slopes(H:V) 2:1 <br /> SEDCAD Model Results <br /> 10-Year,24-Hour 25-Year,24-Hour <br /> Description Event Event <br /> East Buzzard#3 <br /> Permanent Pool Elevation(ft) 6247.0 6247.0 <br /> Top of Dam Elevation(ft) 6250.0 6250.0 <br /> Peak Inflow Rate(cfs) 6.0 21.6 <br /> Runoff Volume-in(ac-ft) 3.3 8.1 <br /> Peak Discharge-out (cfs) 5.6 21.0 <br /> Peak Settleable Conc-out(ml/1) 0.00 0.00 <br /> Peak Stage(ft) 6247.5 6248.3 <br /> Freeboard(ft) 2.5 1.7 <br /> East Buzzard Pond System <br /> Watershed Acreage Description <br /> Description <br /> Undisturbed Acres 184.5 <br /> Active Mining Acres 82.9 <br /> Topsoiled and Seeded Acres 0 <br /> One Year Growth Acres 0 <br /> 2+Years Growth Acres 306.4 <br /> Total Acres 573.8 <br /> 5/25/2022L:\Engineer\Mattern 2022\West Panel Drainage and Sediment Control\East Buzzard\East Buzzard Drainage 2022 SEDCAD backup <br /> calculations.xlsxEast Buzzard Drainage 2022 SEDCAD backup calculations.xlsx <br />