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 OPERATIONS CONFIGURATION
r' --ht 9008 _')01n P-10 I Crhuroh
Structure Detail:
.srtttftute TT `t6 t'Eic &1)1e chann(l)
DITCH J14
Triangular Erodible Channel Inputs:
Material: Alluvial silts colloidal
Left Right
Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%) Manning's n
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
1.5:1 1.5:1 5.0 0.0250
0.30 5.0
Erodible Channel Results:
Filename Pond J_10Yr-0perations, revised sc4
1
Printed 09-21-2015
TR -105 Volume XI, App. B-21 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
1.40 cfs
Depth:
-- — _
0.46 ft 0.76 ft
---
Top Width:
1.37 ft 2.27 ft
Velocity:
4.41 fps
X -Section Area:
0.31 sq ft
Hydraulic Radius:
0.190 ft
Froude Number:
1.62
Filename Pond J_10Yr-0perations, revised sc4
1
Printed 09-21-2015
TR -105 Volume XI, App. B-21 09/15