PERMFILE44218

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 5/1/2003
• Doc Name: Post Mining Channel Design
• Section_Exhibit Name: Tab 13 Attachment 13-5B Appendix 3
• Media Type: D
• Archive: No

SEDCAD 4.0
Copyright 1998 Pamela J. Scnvrab
Civil Software Design
Post Mining Channel PM-4
Material: Riprap
Tiapezoida/ Channel

Bottom .Left ~- Rl9ht ~
> Freeboard Freeboard Frgetward-..

WidtFi(R) 5ideslope
_,:Raho .Sideslope ;: Slope (%)
~
` Ratio _ ` _ ~ Mint x ',
~ePU~;(R) , %of:_Depth
5.00 3.0:1 3.0:1 10.0 1.00
Simons/OSM Method -Steep Slope Design
' w/o.Free6oard `.w"[.Freeboard:,;.
Design Discharge: 9.70 cfs
Depth: 0.19 ft 1.19 ft
Top Width: 6.13 ft 12.13 ft
Velocity*:
X-Section Area: 1.05 sq ft
Hydraulic Radius: 0.169
Froude Number:
Manning's n*:
Dmin: 3.00 in
D50: 9.00 in
Dmax: 11.25 in
Velodty and Manning's n calculatiorLS may not apply for this method.
SEDCAD Utility Run Printed 12-0&2001