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-18:: Slone 31%
Material: Riprap
Trapezoidal Channel
Left Right
BoROm Freetx>ard Freetxtard Freeboard
Sideslope Sideslope Slope (%)
Width (R) Mult, x
Depth (ft) %of Depth
Ratio Ratio (VxD)
1.00 3.0:1 3.0:1 31.0 0.30
PADER Method -Steep Slope Design
•
u
w/o Freeboard w/ Freeboard
Design Discharge: 2.00 cfs
Depth: 0.25 ft 0.55 ft
Top Width: 2.50 R 4.30 ft
Velocity: 4.54 fps
X-Section Area: 0.44 sq ft
Hyd2ulic Radius: 0.170
Froude Number: 1.91
Manning's n: 0.0560
Dmin: 2.00 in
D60: 3.00 in
Dmax: 4.50 in
SEDCAD Utility Run Printed 02-26-2006