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2022-07-12_PERMIT FILE - C1981019A (12)
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2022-07-12_PERMIT FILE - C1981019A (12)
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Last modified
11/12/2024 8:55:50 AM
Creation date
5/10/2023 8:55:28 AM
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
7/12/2022
Doc Name
Section 25 Pond Sediment Control During Mining
Section_Exhibit Name
Volume 18 Exhibit 7 Item 23 Part B
Media Type
D
Archive
Yes
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Elevation <br />(ft)Perf. Riser (cfs)Emergency <br />Spillway (cfs) <br />Combined <br />Total <br />Discharge <br />(cfs) <br />7,054.00 0.000 0.000 0.000 <br />7,055.00 0.000 0.000 0.000 <br />7,056.00 0.000 0.000 0.000 <br />7,057.00 3.00>0.000 0.000 0.000 <br />7,058.00 0.473 0.000 0.473 <br />7,059.00 0.669 0.000 0.669 <br />7,060.00 0.819 0.000 0.819 <br />7,061.00 0.945 0.000 0.945 <br />7,062.00 8.509 0.000 8.509 <br />7,063.00 12.033 0.000 12.033 <br />7,064.00 14.738 0.000 14.738 <br />7,065.00 17.018 0.000 17.018 <br />7,066.00 19.026 0.000 19.026 <br />7,067.00 20.842 50.763 71.605 <br />7,068.00 22.512 188.776 211.288 <br />7,069.00 24.066 394.921 418.987 <br />7,070.00 25.526 690.903 716.430 <br />7,071.00 26.907 1,047.547 1,074.454 <br />Structure #7 (Null) <br /> Null at Outlet of Middle Pond <br />Structure #6 (Vegetated Channel) <br /> Natural Channel Below Middle Pond <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 />5.00 2.0:1 2.0:1 9.7 D, B 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: 16.04 cfs 16.04 cfs <br />Depth: 0.48 ft 0.79 ft <br />Top Width: 6.94 ft 8.17 ft <br />Velocity: 5.55 fps 3.08 fps <br />X-Section Area: 2.89 sq ft 5.21 sq ft <br />Filename: Exhibit 7 Item 23 Part B 25-Yr 24-Hr Section 25 During Mining.sc4 Printed 03-17-2022 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 16
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