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2022-07-12_PERMIT FILE - C1981019 (24)
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2022-07-12_PERMIT FILE - C1981019 (24)
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Last modified
5/10/2023 9:20:49 AM
Creation date
5/10/2023 9:16:13 AM
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Permit File
Doc Date
7/12/2022
Doc Name
Sediment 26 Pond Sediment Control During Mining
Section_Exhibit Name
Volume 18 Exhibit 7 Item 23 Part C
Media Type
D
Archive
No
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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: 22.20 cfs 22.20 cfs <br />Depth: 0.44 ft 3.69 ft 0.75 ft 4.00 ft <br />Top Width: 13.76 ft 26.76 ft 15.00 ft 28.00 ft <br />Velocity: 3.92 fps 2.20 fps <br />X-Section Area: 5.67 sq ft 10.11 sq ft <br />Hydraulic Radius: 0.406 ft 0.659 ft <br />Froude Number: 1.08 0.47 <br />Roughness Coefficient: 0.0506 0.1245 <br />Structure #8 (Vegetated Channel) <br /> D-4 Ditch 0+00 to 7+50 <br /> Trapezoidal Vegetated Channel Inputs: <br />Material: Tall fescue <br />Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope (%)Retardance <br />Classes <br />Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x <br />(VxD) <br />Limiting <br />Velocity <br />(fps) <br />12.00 2.0:1 2.0:1 5.9 D, B 3.68 6.0 <br /> Vegetated Channel Results: <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: 23.44 cfs 23.44 cfs <br />Depth: 0.45 ft 4.13 ft 0.76 ft 4.44 ft <br />Top Width: 13.80 ft 28.52 ft 15.04 ft 29.76 ft <br />Velocity: 4.03 fps 2.28 fps <br />X-Section Area: 5.82 sq ft 10.29 sq ft <br />Hydraulic Radius: 0.415 ft 0.668 ft <br />Froude Number: 1.09 0.49 <br />Roughness Coefficient: 0.0498 0.1212 <br />Structure #5 (Pond) <br /> Sidehill Pond <br /> Pond Inputs: <br />Initial Pool Elev: 7,166.00 ft <br />Initial Pool: 3.40 ac-ft <br />*Sediment Storage: 0.00 ac-ft <br />Dead Space: 20.00 % <br />Filename: Section 26 10-Year 24-Hour During Mining.sc4 Printed 03-14-2022 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 8
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