2013-02-11_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 2/11/2013
• 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
Structure Detail;
Structure #2 (Erodible Channel
W. Diversion Ditch #1
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
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:
X- Section Area:
Hydraulic Radius:
1.5:1 6.0:1 3.5 0.0350
0.30
5.5
Erodible Channel Results:
Filename: WDiv#1 -100 Year.sc4
1
Printed 12 -28 -2012
TR -76 App. B -41 12/12
w/o Freeboard w/ Freeboard
Design Discharge:
9.19 cfs
Depth:
0.77 ft 1.07 ft
Top Width:
5.78 ft 8.03 ft
Velocity:
X- Section Area:
Hydraulic Radius:
4.12 fps
2.23 sq ft
0.372 ft
Froude Number:
1.17
Filename: WDiv#1 -100 Year.sc4
1
Printed 12 -28 -2012
TR -76 App. B -41 12/12