PERMFILE113083

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: Stockpond Emergency Spillway SEDCAD Runs
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.5
• Media Type: D
• Archive: No

SEDCAD 4.0
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~ Yoast Mine Stockpond-2: Emergency Spillway (33%
Slo e
Material: Riprag
Trapezoidal Channel
Bottom Left Right Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope (%) Depth (ft) % of Depth Mult. x '
Ratio Ratio (VxD) '
10.00 3.0:1 3.0:1 33.0 1.00
PADER Method -Steep Slope Design
•
•
w/o Freeboard w/ Freeboard
Design Discharge: 41.23 cfs
Depth: 0.48 ft 1.48 ft
Top Width: 12.90 ft 16.90 R
Velocity: 7.44 fps
X-Section Area: 5.54 sq ft
Hyd2ulic Radius: 0.424
Froude Number: 2.00
Manning's n: 0.0650
Dm'rn: 3.00 in
D50: 6.00 in
Dmax: 9.00 in
SEDCAD Utility Run Printed OS-29-2006