2015-12-23_PERMIT FILE - C1996083A ‎(5)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 12/23/2015
• Doc Name: Appendix B - Protection of Hydrologic Balance
• Section_Exhibit Name: Volume XI Coal Mine Waste Disposal Area No. 3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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OPERATIONS CONFIGURATION
1
Structure Detail;
S&tic Iurc_.r 3U (RL)l31) CYriii/leJ
DITCH J9
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio Depth (ft) %of Depth Mult. x (VxD)
3.00 1.5:1 1.5:1 11.01 1.00
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Filename: Pond J_100Yr-0perations, revised.sc4 Printed 09-21-2015
TR -105 Volume XI, App. B-51 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
14.13 cfs
Depth:
0.28 ft 1.28 ft
Top Width:
3.85 ft 6.85 ft
Velocity*:
X -Section Area:
0.98 sq ft
Hydraulic Radius:
0.243 ft
Froude Number*:
Manning's n*:
Dmin:
D50:
Dmax:
5.00 in
15.00 in
18.75 in
Velocity and Manning's n calculations may not apply for this method.
Filename: Pond J_100Yr-0perations, revised.sc4 Printed 09-21-2015
TR -105 Volume XI, App. B-51 09/15