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
rnrnmnnr iom o~mo~~.~ cne.,~n
~ Yoast Mine Stockpond-1: Emer4encv Spillway (33%
Slo e
Material: RIDraD
Trapezoidal Channel
Bottom LeR Right ~ Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope (%)
Ratio Ratio Depth (ft) % of De th Mult x
P
(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: 18.50 cis
Depth: 0.27 R 1.27 ft
Top Width: 11.65 ft 17.65 ft
Velocity: 6.23 fps
X-Section Area: 2.97 sq ft
Hydraulic Radius: 0.253
Froude Number: 2.17
Manning's n: 0.0550
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in -
SEDCAD Utility Run Printed OS-29-2006