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SEDCAD 4 for Windows <br />7 <br />Structure Detail: <br />Structure #1 (Null <br />Junction east of upstream stock pond <br />Structure #2 (Null) <br />Junt/on immediately upstream of pond <br />Structure #3 (Pond) <br />Horse Gulch Pond 1 <br />Pond Inputs: <br />Initial Pool Elev: 7,233.34 <br />Initial Pool: 2.49 ac-ft <br />*Sediment Storage: 3.70 ac-ft <br />Dead Space: 20.00% <br />*Sediment capacity was entered by user <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,233.34 40.00 3.90:1 3.60:1 0.50 <br />Pond Results: <br />Peak Elevation: 7,235.68 <br />H'graph Detention Time: 2.00 hrs <br />Pond Model: CSTRS <br />Dewater Time: 1.22 days <br />Trap Efficiency: 62.12% <br />Dewatenng time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge Dewater <br />Time <br />(cfs) (hrs) <br />7,230.33 0.742 0.000 0.000 Top of Sed. Storage <br />7,230.40 0.746 0.051 0.000 <br />7,230.50 0.752 0.126 0.000 <br />7,230.60 0.758 0.202 0.000 <br />7,230.70 0.763 0.278 0.000 <br />7,230.80 0.769 0.354 0.000 <br />Filename: Horse Pond Expansion - As-built, 10 year, 24 hour event.sc4 Printed 09-12-2008