2015-01-30_PERMIT FILE - C1996083A ‎(17)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 1/30/2015
• 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
r—,Hhr loop -,)nln P—i. 1
Structure Detail;
Stnicture #28 (Erodible Channel)
WEST DIV - 2
Triangular Erodible Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
1.5:1 15.0:1 4.0 0.0392
1.00
6.0
Erodible Channel Results:
Filename: Pond F 100Year.sc4
1
Printed 04-24-2015
TR -98 App. B-53 04/15
w/o Freeboard w/ Freeboard
Design Discharge:
3.52 ds
Depth:
0.40 ft 1.40 ft
Top Width:
6.67 ft 23.17 ft
Velocity:
2.61 fps
X -Section Area:
1.35 sq ft
Hydraulic Radius:
0.201 ft
Froude Number:
1.02
Filename: Pond F 100Year.sc4
1
Printed 04-24-2015
TR -98 App. B-53 04/15