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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YPM-1-1: 11% Slope
Material: Riprap
Trapezoids/ Channel
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslo a Sideslo a Sloe
Width (ft)
p ( )
Depth (ft) % of Depth
Ratio Ratio (VxD)
2.00 3.0:1 3.0:1 11.0 0.30
PADER Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 5.80 cfs
Depth: 0.40 ft 0.70 ft
Top Width: .4.40 ft 6.20 ft
Velocity: 4.53 fps
X-Section Area: 1.28 sq ft
Hydraulic Radius: 0.282
Froude Number: 1.48
Manning's n: 0.0470
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in
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SEDCAD Utility Run
Printed 08-20-2007
TR-36 13-12.3-30 Revised 08/07