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SEDCAD 4 for Windows <br />r`n ,inhf 100A _9010 P.—In 1 Z,h, . h <br />Structure Detail; <br />Structure #1 �Cu/vert) <br />Pit Pumping <br />Culvert Inputs: <br />Max. Entrance <br />Length (ft) Slope (%) Manning's n Headwater Tailwater (ft) Loss Coef. <br />(ft) (Ke) <br />1,000.00 2.00 0.0140 1.00 0.00 0.90 <br />Culvert Results: <br />Structure #2 (Pond) <br />Pond NHN-002 <br />Pond Inputs: <br />Design Discharge = 2.00 cfs <br />Minimum pipe diameter: 1 - 12 inch pipe(s) required <br />Initial Pool Elev: <br />5,678.25 ft <br />Initial Pool: <br />5.76 ac -ft <br />*Sediment Storage: <br />1.16 ac -ft <br />Dead Space: <br />20.00% <br />*Sediment capacity based on A verage Annual R of 20.0 for 3 year(s) <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottoq81 <br />(ft) Sideslope Sideslope Width 5,683.00 30.00 3.60:1 3.20:1 <br />Enhanced Perf. Riser <br />Riser <br />Riser Height <br />Diameter (in) <br />Barrel <br />Barrel Length Barrel Slope <br />Diameter (in) <br />Number of <br />Spillway Elev <br />Mannings n Holes per <br />(ft) <br />(ft) (oho) <br />(ft) <br />Elev <br />18.00 3.90 <br />18.00 40.00 1.00 <br />0.0150 5,681.90 2 <br />Pond Results: <br />Peak Elevation: <br />5,680.33 ft <br />H'graph Detention Time: <br />14.68 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />3.68 days <br />Trap Efficiency: <br />86.28% <br />ff. <br />Filename: Pond NHN-002 AS -BUILT 10YR EVENT PRINCIPAL SPILLWAY OPEN.sc4 Printed 03-25-2016 <br />