2010-10-07_PERMIT FILE - C1994082

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 10/7/2010
• Doc Name: Post Mining Channels SEDCAD Results/Channel YPM-1 to YPM-8
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: No

SEDCAD 4.0
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Material: Bare Soil w/ TRM
Trapezoidal Channel
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslope Sideslope Slope (%) Manning's n
Width (ft) Mult. x
Depth (ft) % of Depth Velocity
(fps)
Ratio Ratio (VxD)
3.00 4.0:1 4.0:1 13.0 0.0230 0.30 I 9.0
w/o Freeboard w/ Freeboard
Design Discharge: 7.10 cfs
Depth: 0.23 ft 0.53 ft
Top Width: 4.88 ft 7.28 ft
Velocity: 7.65 fps
X-Section Area: 0.93 sq ft
Hydraulic Radius: 0.187
Froude Number: 3.10

SEDCAD Utility Run Printed 02-18-2008
TR-37 13-12.3-41 Revised 02/08