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
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YPM-3A /SLOPE 23%
Material: Riaraa
Trapezoidal Channel
left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
5.00 3.0:1 3.0:1 23.0 0.30
PADER Method -Steep Slope Design
C

w/o Freeboard w/ Freeboard
Design Discharge: ~ 6.68 ds
Depth: 0.25 ft 0.55 ft
Top Width: 6.52 ft 8.32 R
Velocity: 4.58 fps
X-Section Area: 1.46 sq ft
Hydraulic Radius: 0.221
Froude Number: 1.71
Manning's n: 0.0570
Dmin: 2.00 in
D60: 3.00 in
Dmax: 4.50 in
SEDCAD Utility Run Printed 03-03.2005