2013-02-11_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 2/11/2013
• Doc Name: Appendix A through Appendix C
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure Detail;
Structure #28 (Erodible Channel)
WEST DIV - 2
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
1.5:1 6.0:1 3.5 0.0350
0.30
5.5
Erodible Channel Results:
Filename: Pond F-1 00 Year.sc4
Printed 12 -27 -2012
TR -76 App. B-42 12/12
w/o Freeboard w/ Freeboard
Design Discharge:
4.64 cfs
Depth:
0.60 ft 0.90 ft
Top Width:
4.47 ft 6.72 ft
Velocity:
3.47 fps
X- Section Area:
1.33 sq ft
Hydraulic Radius:
0.288 ft
Froude Number:
1.12
Filename: Pond F-1 00 Year.sc4
Printed 12 -27 -2012
TR -76 App. B-42 12/12