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SEDCAD 4 for Windows <br />Iona On1n D-1, 1 CrL.-"k <br />6 <br />Structure #1 (Pond) <br />Pond Inputs: <br />Structure Detail: <br />Initial Pool Elev: <br />5,681.00 ft <br />Initial Pool: <br />5.47 ac -ft <br />*Sediment Storage: <br />0.27 ac -ft <br />Dead Space: <br />20.00 <br />*Sediment capacity based on Average Annual R of 20.0 for 1 year(s) <br />Drop Inlet <br />Riser <br />Riser Height <br />Barrel <br />Barrel Barrel SlopeSpillway <br />Elev <br />Diameter <br />(ft) <br />Diameter o <br />Length (ft) (/o) <br />Mannings n <br />(ft) <br />(in) <br />(in) <br />Trap Efficiency: <br />77.53% <br />18.00 15.00 <br />18.00 100.00 2.00 <br />0.0140 5,681.00 <br />Pond Results: <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />5,683.50 9.00 2.00:1 2.00:1 10.00 <br />Peak Elevation: 5,683.27 ft <br />H'graph Detention Time: <br />2.20 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />0.85 days <br />Trap Efficiency: <br />77.53% <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />Filename: NewHorizonPond 02.sc4 Printed 01-05-2012 <br />Area <br />Capacity <br />Discharge Dewater <br />Elevation <br />Time <br />(ac) <br />(ac -ft) <br />(cfs) (hrs) <br />5,675.40 <br />0.682 <br />0.000 <br />0.000 Top of Sed. Storage <br />5,675.50 <br />0.691 <br />0.069 <br />0.000 <br />5,676.00 <br />0.743 <br />0.427 <br />0.000 <br />5,676.50 <br />0.796 <br />0.812 <br />0.000 <br />5,677.00 <br />0.851 <br />1.224 <br />0.000 <br />5,677.50 <br />0.901 <br />1.661 <br />0.000 <br />5,678.00 <br />0.952 <br />2.125 <br />0.000 <br />Filename: NewHorizonPond 02.sc4 Printed 01-05-2012 <br />