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

:®C,~D 4.0
inhf tOOA Domnl~ I Ghwah
Bottom
.Width (ft)
3.00
YPM-19: Slope 33.5%
Material: Riprap
Trapezoidal Channel
Freeboard
Left ~9ht Freeboard Freeboard Molt. x
Sidesiope Sideslope Slope (%) Depth (ft) % of Depth (VxD)
Ratio Ratio
3.0:1 33.5 0.30
3.0:1
1

•
FADER Method unable to calculate rock riprap size for peak flow = 1.0 cfs and design geometry,
consequently, 2.0 cfs used for design.
1CAD Utility Run
13-12.3-60D
TR-~G
Printed 02-26-2006
Revised 08/07
FADER Method -Steep Slope Design