2012-06-20_PERMIT FILE - C1996083a ‎(13)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 6/20/2012
• Doc Name: Appendix A to Appendix C Report, 11/10/03
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure Detail;
Sftucture #7 6W2W Chan
F4
Trapezoidal Riprap Channel Inputs:
I LFINif I M11.4119017i
..... -----
Design Discharge-
24.49 crs
Depth:
0.18 ft 1.18 ft
100 1.5:1 1-5*1 40.0
1.00
Rlprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Marving's n calculations may not apply for this method.
Filename: Pond F-100_yearxcA
Printed 02-02-2012
TR-72 App. B-15 02/12
Design Discharge-
24.49 crs
Depth:
0.18 ft 1.18 ft
Top Width:
3.54 ft 6.54 ft
Velocity*:
X-Section Area:
0.59 sq ft
Hydraulic Radius:
0.162 ft
Froude Number*:
Manning's n*:
Drrdn:
8.00 In
DSO:
24.00 In
Dmax:
30.00 In
Velocity and Marving's n calculations may not apply for this method.
Filename: Pond F-100_yearxcA
Printed 02-02-2012
TR-72 App. B-15 02/12