2015-10-05_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 10/5/2015
• Doc Name: Appendix A through Appendix C
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
+non -9n10 Dorado I Z,k ... ah
Structure Detail:
Structure #40 (Erodible Channel)
F20
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope { %) Manning's n
Velocity {fps}
Ratio Ratio 1 Depth (ft) % of Depth Mutt. x (VxD)
0.49 ft 0.79 ft
2.5:1 15.D:1 2.0 0.0250 0.30
6.0
Erodible Channel Results:
Filename: Pond F 100Year.sc4
F
Printed 07 -24 -2013
TR -81 App. B -53 09/13
w/o Freeboard w/ Freeboard
Design Discharge:
6.96 cfs
Depth:
0.49 ft 0.79 ft
Top Width:
8.60 ft 13.85 ft
Velocity:
3.29 fps
X- Section Area:
2.11 sq ft
Hydraulic Radius:
0.244 ft
Froude Number:
1.17
Filename: Pond F 100Year.sc4
F
Printed 07 -24 -2013
TR -81 App. B -53 09/13