2008-12-04_PERMIT FILE - C1994082 ‎(9)‎

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/4/2008
• Doc Name: Emergency Spillway Outflow Channel Requirement for Postmine Conditions
• Section_Exhibit Name: Tab 13 Attachment 13-4A.1 Appendix 13-4A.1-C
• Media Type: D
• Archive: No

SEDCAD 4.0
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Material: RIDraD
Trapezoidal Channel
Bottom Left Right Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope (%) De th Mult. x
p (ft) % of Depth
Ratio Ratio (VxD)
15.00 3.0:1 3.0:1 0.5 I 0.30
PADER Method -Mild Slope Design
•
•
w/o Freeboard w/ Freeboard
Design Discharge: 6.10 cfs
Depth: 0.27 ft 0.57 ft
Top Width: 16.63 ft 18.43 ft
Velocity: 1.42 fps
X-Section Area: 4.30 sq ft
Hydraulic Radius: 0.257
Froude Number: 0.49
Manning's n: 0.0300
Dmin: 0.50 in
D50: 0.75 in
Dmax: 1.50 in
SEDCAD Utility Run Printed 02-18-2008
TR-37 13-4A.1-C.4 Revised 02/08