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C� <br />• <br />SEDCAD 4 for Windows <br />r.nn,,rinh! 1QQA -7n1n Pom,i= i Crh nh <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #5 ( iegetated Channel <br />upprmost east west <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />Left Right <br />Bottom g Retardance <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />6.69 cfs <br />Depth: <br />0.04 ft 1.04 ft <br />Top Width: <br />12.24 ft 18.24 ft <br />Velocity*: <br />12.00 3.0:1 3.0:1 1.3 D, B <br />X- Section Area: <br />0.48 sq ft <br />Hydraulic Radius: <br />0.039 ft <br />Froude Number *: <br />Top Width: <br />Manning's n *: <br />21.26 ft <br />Dmin: <br />3.00 in <br />D50: <br />9.00 in <br />Dmax: <br />11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #5 ( iegetated Channel <br />upprmost east west <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />Left Right <br />Bottom g Retardance <br />Freeboard <br />Freeboard Freeboard <br />Limiting <br />g <br />Sideslope Sideslope Slope ( %) <br />Width (ft) Ratio Ratio Classes <br />Mult. x <br />Depth (ft) % of Depth <br />Velocity <br />(fps) <br />12.31 cfs <br />(VxD) <br />12.31 cfs <br />12.00 3.0:1 3.0:1 1.3 D, B <br />1.00 <br />7.0 <br />Vegetated Channel Results: <br />Structure #6 6R rap Channel <br />• east westgro /n ditch <br />14 <br />Filename: E Taylor Sed Pond Post Mining Phase 10 24.sc4 Printed 12 -12 -2010 <br />Exh. 7 -ET -52 Revision Date: 12/31/10 <br />Revision No.: TR -81 <br />Stability <br />Class D w/o <br />Freeboard <br />Stability <br />Class D w/ <br />Freeboard <br />Capacity <br />Class B w/o <br />Freeboard <br />Capacity <br />Class B w/ <br />Freeboard <br />Design Discharge: <br />12.31 cfs <br />12.31 cfs <br />Depth: <br />0.54 ft <br />1.54 ft <br />1.02 ft <br />2.02 ft <br />Top Width: <br />15.26 ft <br />21.26 ft <br />18.11 ft <br />24.11 ft <br />Velocity: <br />1.66 fps <br />0.80 fps <br />X- Section Area: <br />7.40 sq ft <br />15.34 sq ft <br />Hydraulic Radius: <br />0.479 ft <br />0.832 ft <br />Froude Number: <br />0.42 <br />0.15 <br />Roughness Coefficient: <br />0.0625 <br />0.1870 <br />Structure #6 6R rap Channel <br />• east westgro /n ditch <br />14 <br />Filename: E Taylor Sed Pond Post Mining Phase 10 24.sc4 Printed 12 -12 -2010 <br />Exh. 7 -ET -52 Revision Date: 12/31/10 <br />Revision No.: TR -81 <br />