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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Refuse Disposal Area - Channel RDA -1c, 2.5% Slope
Material: Riprap
Trapezoidal Channel
Left Right
Freeboard Freeboard Freeboard
Bottom
Sideslope Sideslope Slope ( %)
Mult. x
Width (ft) Ratio Ratio
Depth (ft) % of Depth (VxD)
4.00 3.0:1 3.0:1 2.5
0.30
PADER Method - Steep Slope Design
SEDCAD Utility Run Printed 09 -28 -2009
w/o Freeboard :,: w /Freeboard
Design Discharge:
84.00 cis
Depth:
1.53 ft 1.83 ft
Top Width:
13.19 ft 14.99 ft
Velocity:
6.38 fps
X- Section Area:
13.17 sq ft
Hydraulic Radius:
0.962 ft
Froude Number:
1.12
Manning's n:
0.0360
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
SEDCAD Utility Run Printed 09 -28 -2009