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SEDCAD 4 for Windows <br /> f nnvnnht IQQR_9nin Pnm.IA I Crh‘nmh <br /> 26 <br /> Barrel Barrel Entrance Tailwater <br /> Diameter Length Barrel Mannings Spillway Loss Depth <br /> Slope(%) n Elev(ft) <br /> (in) (ft) Coefficient (ft) <br /> 12.00 200.00 1.50 1 0.0150 7,492.00 0.90 0.00 <br /> Pond Results: <br /> Peak Elevation: 7,493.92 ft <br /> H'graph Detention Time: 1.85 hrs <br /> Pond Model: CSTRS <br /> Dewater Time: 0.87 days <br /> Trap Efficiency: 58.30 0/0 <br /> Dewatering time is calculated from peak stage to lowest spillway <br /> Elevation-Capacity-Discharge Table <br /> Area Capacity Discharge Dewater <br /> Elevation Time <br /> (ac) (ac-ft) (cfs) (hrs) <br /> 7,484.00 0.021 0.000 0.000 Top of Sed. Storage <br /> 7,485.00 0.085 0.049 0.000 <br /> 7,486.00 0.122 0.152 0.000 <br /> 7,487.00 0.154 0.290 0.000 <br /> 7,488.00 0.184 0.459 0.000 <br /> 7,489.00 0.211 0.656 0.000 <br /> 7,490.00 0.238 0.881 0.000 <br /> 7,491.00 0.266 1.132 0.000 <br /> 7,492.00 0.293 1.412 0.000 Spillway#2 <br /> 7,493.00 0.322 1.719 2.094 16.75 <br /> 7,493.92 0.352 2.032 3.812 4.05 Peak Stage <br /> 7,494.00 0.354 2.057 3.952 <br /> 7,495.00 0.392 2.430 4.465 Spillway#1 <br /> 7,496.00 0.400 2.826 53.266 <br /> Detailed Discharge Table <br /> Filename: Prospect Pond 10 Yr 24 Hr Storm Event.sc4 Printed 01-06-2020 <br />