2013-07-29_PERMIT FILE - C1982056 ‎(4)‎

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 7/29/2013
• Doc Name: COAL REFUSE DISPOSAL AREA EXPANSION
• Section_Exhibit Name: Exhibit 08EE Coal Refuse Disposal Area Expansion Drainage Designs
• Media Type: D
• Archive: No

SEDCAD 4.0
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4P Refuse Disposal Area - Channel RDA - 1d, 10% Slope
Material: Riprap
Trapezoidal Channel
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Depth (ft) % of Depth
Ratio Ratio
D)
4.00 3.0:1 3.0:1 10.0
0.30
PADER Method - Steep Slope Design
0
SEDCAD Utility Run Printed 09 -28 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
83.30 cfs
Depth:
1.24 ft 1.54 ft
Top Width:
11.44 ft 13.24 ft
Velocity:
8.70 fps
X- Section Area:
9.57 sq ft
Hydraulic Radius:
0.808 ft
Froude Number:
1.68
Manning's n:
0.0470
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
SEDCAD Utility Run Printed 09 -28 -2009