2010-10-07_PERMIT FILE - C1994082

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 10/7/2010
• Doc Name: Post Mining Channels SEDCAD Results/Channel YPM-1 to YPM-8
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: No

SEDCAD 4.0
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•
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C~~~~~~ ~P~-~.-3v ~'R~"J ~esi~~ ' 15% Sio~;e~
Ca~~~it~ A~a~~s~s
Material: Vegetated w/ TRM
Trapezoidal Channel
Left Ri ht
Bottom g Retardance Freeboard
Freeboard Freeboard Limitin
g
Sideslope Sideslope Slope (%)
Classes
Width (ft) R
ti
R
ti Mult. x
Depth (ft) % of Depth Velocity
(f
s)
a
a
o
o ~D) p
3.00 4.0:1 4.0:1 15.0 D, B ( 0.30 I 9.0
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 9.10 cfs 9.10 cfs
Depth: 0.40 ft 0.70 ft 0.68 ft 0.98 ft
Top Width: 6.23 ft 8.63 ft 8.48 ft 10.88 ft
Velocity: 4.88 fps 2.31 fps
X-Section Area: 1.86 sq ft 3.93 sq ft
Hydraulic Radius: 0.295 0.455
Froude Number: 1.57 0.60
Roughness Coefficient: 0,0522 0.1472
SEDCAD Utility Run
TR-37
13-12.3-54
Printed 02-18-2008
Revised 02/08