PERMFILE62362

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: Postmining Channels SEDCAD Results YPM 1-8
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

SEDCAD 4.0

YPM-1-1: Slope 5%
Material: Ri~rap
Trapezoidal Channel
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Mutt. x
Depth (ft) % of Depth
Ratio Ratio (VxD)
1.00 3.0:1 3.0:1 5.0 0.30
PADER Method -Steep Slope Design

•
w/o Freeboard w/ Freeboard
Design Discharge: 8.21 cfs
Depth: 0.62 ft 0.92 ft
Top Width: 4.74 ft 6,54 ft
Velocity: 4.58 fps
X-Section Area: 1.79 sq ft
Hydraulic Radius: 0.362
Froude Number: 1.31
Manning's n: 0.0370
Dmin: 2.00 in
D50: 3.00 in ~ .
Dmax: 4.50 in
SEDCAD Utility Run printed 02-28-2006