Laserfiche WebLink
SEDCAD 4 for Windows <br />Cnrn.rinh41GoR _9n1f1 P-1. I <br />Structure Detai/; <br />Structure #1 (Culvert) <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-001 <br />Pond Inputs: <br />Design Discharge = 2.00 cfs <br />Minimum pipe diameter: 1 - 12 inch pipe(s) required <br />Initial Pool Elev: <br />5,675.50 ft <br />Initial Pool: <br />11.49 ac -ft <br />*Sediment Storage: <br />1.05 ac -ft <br />Dead Space: <br />20.00% <br />*Sediment capacity based on Average Annual R of 20.0 for 3 year(s) <br />Drop Inlet <br />Riser <br />Riser Height <br />Diameter (in) <br />Barrel <br />Barrel Length Barrel SlopeSpillway <br />Diameter (in) <br />Elev <br />Manning's n (ft) <br />(ft) <br />(ft) M <br />(ft) <br />Elev <br />18.00 4.25 <br />24.00 173.00 2.70 <br />0.0240 5,675.50 2 <br />Enhanced Perf. Riser <br />Riser Riser Height <br />Diameter (in) <br />Barrel Barrel Length Barrel SlopeSpillway <br />Diameter (in) <br />Elev Number of <br />Manning's n Holes per <br />(ft) <br />(ft) (%) <br />(ft) <br />Elev <br />18.00 4.25 <br />24.00 173.00 2.70 <br />0.0240 5,675.50 2 <br />Pond Results: <br />Peak Elevation: <br />5,677.46 ft <br />H'graph Detention Time: <br />3.68 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.40 days <br />Trap Efficiency: <br />82.05 <br />101 <br />Filename: Pond NHN-001 AS -BUILT 25YR EVENT_02.13.17.sc4 Printed 02-15-2017 <br />