PERMFILE45602

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 2/28/2006
• Doc Name: Postmining Channels SEDCAD4 YPM-1 to YPM-6A
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

SEDCAD 4.0
(`.nn~ninhl lP°R POmcla 1 Srhurah
YPM-6 SEC 1 /SLOPE 6%
• Material: Ripraa
Trapezoidal Channel
Left Right Freeboard Freeboard Freeboard
Bottom sideslope Sideslope Slope (%) Mult. x
Width (ft) - Ra[io Ratio Depth (ft) % of Depth (VxD)
5.00 3.0:1 3.0:1 6.0 0.30
PADER Method -Steep Slope Design
•
•
w/o Freeboard w/ Freeboard
Design Discharge: 14.19 6s
Depth: 0.49 ft 0.79 ft
Top Width: 7.92 R 9.72 ft
Velocity: 4.52 fps
X-Section Area: 3.14 sq ft
Hydraulic Radius: 0.389
Froude Number: 1.27
Mannin9's n: 0.0430
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in
SEDCAD Utility Run Printed 03-03-2005