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
RnrnminM 1GOA P~moh I Snh.•.~h
C~~~~~~ ~P~-~.-3s 23°~0 ~9op~
Material: Riprap
Trapezoidal Channel
Left Right
° Freeboard Freeboard Freeboard
(ft) Sideslope Sideslope 51ope (%)
Width Depth (ft) % cf De th Mult. x
p
Ratio Ratio (VxD)
1.00 3.0:1 3.0:1 23.0 0.30
PADER Method -Steep Slope Design

•
w/o Freeboard w/ Freeboard
Design Discharge: 9.10 cfs
Depth: 0.54 ft 0.84 ft
Top Width: 4.21 ft 6.01 ft
Velocity: 6.53 fps
X-Section Area: 1.39 sq ft
Hydraulic Radius: 0.318
Froude Number: 2.00
Manning's n: 0.0510
Dmin: 3.00 in
D50: 6.00 in
Dmax: 9.00 in
SEDCAD Utility Run
TR-37
13-12.3-58
Printed 02-18-2008
Revised 02/08