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2025-07-10_PERMIT FILE - C1996083
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2025-07-10_PERMIT FILE - C1996083
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Last modified
7/17/2025 8:45:58 AM
Creation date
7/17/2025 8:30:52 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
Permit File
Doc Date
7/10/2025
Doc Name
Appendix A through Appendix C
Section_Exhibit Name
Volume IX Coal Mine Waste Disposal Area No. 2
Media Type
D
Archive
No
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SEDCAD 4 for Windows <br />(`nrnrcinht �QQA _9M 11 P�mcln I Crhw�h <br />Structure Detail; <br />Sti uctui e #18 (kiprap Channel) <br />F14 30% Channel Section <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Left Right <br />Bottom <br />Freeboard Freeboard Freeboard <br />(ft) Sideslope Sideslope Slope (%) <br />11.22 cfs <br />0.11 ft 1.11 ft <br />3.34 ft 6.34 ft <br />0.36 sq ft <br />iddtth <br />Ratio Ratio <br />Depth (ft) % of Depth Mult. x VxD) <br />3.00 1.5:1 1.5:1 30.0 <br />1.00 <br />Riprap Channel Results: <br />Simons/OSM Method - Steep Slope Design <br />Velocity and Manning's n calculations may not apply for this method. <br />Filename: Pond F 100Year.sc4 <br />Printed 01-22-2015 <br />TR -98 App. B-44 01/15 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />Depth: <br />Top Width: <br />Velocity*: <br />X -Section Area: <br />11.22 cfs <br />0.11 ft 1.11 ft <br />3.34 ft 6.34 ft <br />0.36 sq ft <br />Hydraulic Radius: <br />0.104 ft <br />Froude Number*: <br />Manning's n*: <br />Dmin: <br />6.00 in <br />D50: <br />18.00 in <br />Dmax: <br />22.50 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Filename: Pond F 100Year.sc4 <br />Printed 01-22-2015 <br />TR -98 App. B-44 01/15 <br />
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