2012-06-20_PERMIT FILE - C1996083a ‎(13)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 6/20/2012
• Doc Name: Appendix A to Appendix C Report, 11/10/03
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r--ii hr 1aaa _qnm cam, 1. i c„I,,.,.k
•
Structure Detail;
Structure #11 (Erodible Channel)
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
3.0:1 20.0:1 2.0 0.0250
0.30
6.0
i s
•
Erodible Channel Results:
FilenaM. - Pdnd F- 100Yr.sc4 App-B19 Pn t 4 -07 -2009
A PfRovEt)
9 f 19lo ,
w/o freeboard w/ Freeboard
Design Discharge:
1.89 cfs
Depth:
0.27 ft 0.57 ft
Top Width:
6.26 ft 13.16 ft
Velocity:
2.22 fps
X- Section Area:
0.85 sq ft
Hydraulic Radius:
0.136 ft
Froude Number:
1.06
FilenaM. - Pdnd F- 100Yr.sc4 App-B19 Pn t 4 -07 -2009
A PfRovEt)
9 f 19lo ,