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

YPM-7: Slone 20.5%
Material: Riprap
T~apezoida/ Channel
Bottom LeR Right Freeboard Freeboard Freeboa~
Sldeslope Sideslope Slope (%)
Width (R}
i Mull. z

o
Depth (R) /o of Depth
Kato Rat
o (VxD)
2.00 3.0:1 3.0:1 20.s 0.30
PADER Method -Steep Slope Design

•
w/o Freeboard w/ Freeboard
Design Discharge: 8.32 ds
Depth: 0.41 R 0.71 ft
Top Width: 4.46 R 6.26 ft
Velocity: 6.27 fps
X-Section Area: 1.33 sq ft
Hydraulic Radius: 0.288
Fronde Number: 2.03
Manning's n: 0.0470
Dmin: 2.00 in
DSO: 3.00 in
Dmax: 4.50 in
SEDCAD Utility Run Printed 02-26-2006