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
nnr.vri„F.r ~ coa o~,,,vi~ i a~r,,.,~r,
Material: Ri ran
Trapezoidal Channel
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Mult. x
Ratio Ratio Depth (ft) % of Depth
(VxD)
1.00 3.0:1 3.0:1 16.0 I 0.30
PADER Method -Steep Slope Design
C7
w/o Freeboard w/ Freeboard
Design Discharge: 9.10 cfs
Depth: 0.54 ft 0.84 ft
Tap Width: 4.23 ft 6.03 ft
Velocity: 6.47 fps
X-Section Area: 1.40 sq ft
Hydraulic Radius: 0.319
Froude Number: 1.98
Manning's n: 0.0430
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in
•
SEDCAD Utility Run
TR-37
13-12.3-56
Printed 02-18-2008
Revised 02/08