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2018-01-31_PERMIT FILE - C1981019A (8)
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2018-01-31_PERMIT FILE - C1981019A (8)
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Last modified
5/18/2021 3:11:19 PM
Creation date
3/27/2018 9:32:01 AM
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
1/31/2018
Doc Name
West Taylor Sedimentation Pond
Section_Exhibit Name
Exhibit 07 Item 20 Part C -ST
Media Type
D
Archive
Yes
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SEDCAD 4 for Windows <br />r -,-ht i QQR -,)nl o Pmol. I z,h-.h <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #11 L egetated Channell <br />West Terrace Ditch <br />Triangular Vegetated Channel Inputs: <br />Material: Tall fescue <br />Left Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Retardance Velocity <br />Ratio Ratio Classes Depth (ft) % of Depth Mult. x <br />(VxD) (fps) <br />1.5:1 3.0:1 1.5 D, B 2.00 5.0 <br />Vegetated Channel Results: <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />29.73 cfs <br />Depth: <br />0.11 ft 2.11 ft <br />Top Width: <br />12.63 ft 24.63 ft <br />Velocity*: <br />X -Section Area: <br />1.30 sq ft <br />Hydraulic Radius: <br />0.102 ft <br />Froude Number*: <br />Top Width: <br />Manning's n*: <br />13.54 ft <br />Dmin: <br />4.00 in <br />D50: <br />12.00 in <br />Dmax: <br />15.00 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #11 L egetated Channell <br />West Terrace Ditch <br />Triangular Vegetated Channel Inputs: <br />Material: Tall fescue <br />Left Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Retardance Velocity <br />Ratio Ratio Classes Depth (ft) % of Depth Mult. x <br />(VxD) (fps) <br />1.5:1 3.0:1 1.5 D, B 2.00 5.0 <br />Vegetated Channel Results: <br />Structure #7 (Riprap Channell <br />27+50 & 50+00 to 80+00 - West Trib <br />Trapezoidal Riprap Channel Inputs: <br />Filename: TR -117 Post Mining 10 YR 24 HR.sc4 <br />12 <br />Printed 11-10-2017 <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 />4.01 cfs <br />4.01 cfs <br />Depth: <br />1.01 ft <br />3.01 ft <br />1.61 ft <br />3.61 ft <br />Top Width: <br />4.54 ft <br />13.54 ft <br />7.25 ft <br />16.25 ft <br />Velocity: <br />1.75 fps <br />0.69 fps <br />X -Section Area: <br />2.30 sq ft <br />5.84 sq ft <br />Hydraulic Radius: <br />Froude Number: <br />0.4 -61 -ft- <br />0.43 <br />0.736 ft <br />0.13 <br />Roughness Coefficient: <br />0.0623 <br />0.2166 <br />Structure #7 (Riprap Channell <br />27+50 & 50+00 to 80+00 - West Trib <br />Trapezoidal Riprap Channel Inputs: <br />Filename: TR -117 Post Mining 10 YR 24 HR.sc4 <br />12 <br />Printed 11-10-2017 <br />
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