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SEDCAD 4 for Windows <br />r,...,.~..nr mon -orv» o~..,a~ ~ e..n,.~x <br />14 <br />Structure #37 Nenetated Channell <br />SEC. 21 COLLECTOR DITCH 5 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />Left <br />Bottom Right ~, Freeboard Freeboard Freehoard <br />Retardance Limiting <br />Sideslope <br />Wid[h (ft) Sideslope Slope (%) <br />Mult. x <br />Classes Depth (ft) %of Depth Velocity <br />Ratio Ratio <br />(VxD) (fps) <br />12.00 2.0:1 2.0:1 0.5 D, B 1.00 5.0 <br />Vegetated Channel Results: <br /> Stability <br />Class D w/o <br />Freeboartl Stability <br />Class D w/ <br />Freeboard Capacity <br />Class B w/o <br />Freeboard Capacity <br />Class B w/ <br />Freeboard <br />Design Discharge: 7.74 cfs 7.74 cfs <br />Depth: 0.60 ft 1.60 ft 1.19 R 2.19 ft <br />Top Width: 14.39 ft 18.39 ft 16.76 R 20.76 ft <br />Velocity: 0.98 fps 0.45 Fps <br />%-Section Area: 7.89 sq ft 17.11 sq R <br />Hydraulic Radius: 0.538 ft 0.988 ft <br />Froude Number: 0.23 0.08 <br />Roughness Coefficient: 0.0709 D.23D9 <br />Structure #IZ (Pond1 <br />SEC. 21 SED TRAP 3 <br />Pond Inputs: <br />Inital Pool Elev: 7,920.80 ft <br />Initial Pool: 0.42 ac-ftl <br />Emergency Soillwav <br />Spillway Elev Crest Length Lek Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,924.25 20.00 2.00:1 2.00:1 12.00 <br />Pond Results: <br />Peak Elevation: 7,924.29 ft <br />Dewater Tme: 0.42 days <br />Dewatering time is ca/cv/ated from peakstage to /owestspi//way <br />Elevation-Capacity-Discharoe Table <br />• <br />• <br />Filename: STSec2l HUndred24.010807.sc4 Pdntetl 01-08-2007 • <br />Exh. 7-20B-68 Revision Date: 1/05/07 <br />Revison No.: PR-02 <br />