PERMFILE62362

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: Postmining Channels SEDCAD Results YPM 1-8
• 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-14: Slope 9.5%
Material: Riorap
Trapezoidal Channel
LeR Right Freeboard Freeboard Freeboa~
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (R) Ratio Ratio Depth (R) %of Depth (VxD)
1.00 3.0:1 3.0:1 9.5 0.30
PADER Method -Steep Slope Design
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•
w/o Freeboard w/ Freeboard
Design Discharge: 2.73 cfs
Depth: 0.32 ft 0.62 ft
Top Width: 2.92 R 4.72 ft
Velodty: 4.35 fps
X-Section Area: 0.63 sq R
Hydraulic Radius: 0.207
Froude Number: 1.65
Manning's n: 0.0370
Dmin: 1.00 in
DSO: 1.50 in
Dmax: 3.00 in
SEDCAD Utility Run Printed 02-26-2006