Laserfiche WebLink
SEDCAD 4 for Windows <br />(`nnvrinht �QQR _7l11h Pomola I Crhm—h <br />Structure #2 (Pond <br />Pond NHN-003 <br />Pond Inputs: <br />Structure Detail; <br />Initial Pool Elev: <br />5,691.00 ft <br />Initial Pool: <br />5.54 ac -ft <br />*Sediment Storage: <br />0.80 ac -ft <br />Dead Space: <br />20.00% <br />*Sediment capacity based on Average Annual R of2O.O for 2 year(s) <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />5,693.50 18.00 2.00:1 2.00:1 10.00 <br />Enhanced Perf. Riser <br />Riser <br />Diameter (in) Riser Height <br />Barrel <br />Diameter (in) Barrel Length Barrel Slope <br />Number of <br />Mannings n Spillway Elev Holes per <br />(ft) <br />(ft) (/o) <br />(ft) Elev <br />180.00 5.50 <br />18.00 100.00 2.00 <br />0.0150 5,691.00 2 <br />Pond Results: <br />Peak Elevation: <br />5,692.80 ft <br />H'graph Detention Time: <br />0.79 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />0.59 days <br />Trap Efficiency: <br />74.19% <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge Dewater <br />Time <br />(cfs) (hm) <br />5,685.92 <br />0.941 <br />0.000 <br />0.000 Top of Sed. Storage <br />5,686.00 <br />0.953 <br />0.073 <br />0.000 <br />5,686.50 <br />0.980 <br />0.556 <br />0.000 <br />5,687.00 <br />1.007 <br />1.053 <br />0.000 <br />5,687.50 <br />1.035 <br />1.563 <br />0.000 <br />5,688.00 <br />1.064 <br />2.088 <br />0.000 <br />Filename: Pond NHN-003 DESIGN 25YR EVENT PRINCIPAL SPILLWAY CLOSED.sc4 I Printed 03-25-2016 <br />