PERMFILE47016

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/1/2007
• Doc Name: Post Mining Channels SEDCAD4 Results/Channel YPM-1 to -8
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13.12.3
• Media Type: D
• Archive: Yes

SEDCAD 4.0
CnnvrinM11100N Pamnle I GFuoF
Channel YPM-8: 11% Slope
Material: RIDraD
Trapezoidal Channel
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Mult. x
Width (ft)
Ratio Ratio Depth (ft) % of Depth
(VxD)
1.00 3.0:1 3.0:1 11.0 0.30
PADER Method -Steep Slope Design

w/o Freeboard w/ Freeboard
Design Discharge: 3.80 ds
Depth: 0.39 R 0.69 ft
Top Width: 3.31 ft 5.11 ft
Velocity: 4.57 fps
X-Section Area: 0.83 sq ft
Hydraulic Radius: 0.242
Froude Number: 1.61
Manning's n: 0.0420
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in
SEDCAD Utility Run Printed 03-28-2007
TR-30 13-12.3-104 Revised 03/07