2014-09-02_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2014
• 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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Structure Detail:
Structure #5 (Erodib le Channe/1
DITCH-71
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
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 1.5:1 1.2 0.02501
0.30
j 6.0
Erodible Channel Results:
Filoname: Pond J-10 Year Event 013014.sc4
1
Printed 02 -04 -2014
TR -84 Volume XI, App. B -17 02/14
w/o Freeboard w/ Freeboard
Design Discharge:
0.84 cis
Depth:
- -
0.50 ft 0.80 ft
. ............ . _._- -- - - --
Top Width:
1.49 ft 2.39 ft
Velocity:
2.28 fps
X- Section Area:
0.37 sq ft
Hydraulic Radius:
0.206 ft
Froude Number:
0.81
Filoname: Pond J-10 Year Event 013014.sc4
1
Printed 02 -04 -2014
TR -84 Volume XI, App. B -17 02/14