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 -1b, 13.6% Slope
Material: Riprap
Trapezoidal Chanel
Left Right
Freeboard Freeboard Freeboard
Wi dth e ft) Sideslope I.Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) /o of Depth
(VxD)
8.00 3.0:1 3.0:1 13.6
0.30
PADER Method - Steep Slope Design
0
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SEDCAD Utility Run Printed 09 -28 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
93.70 cfs
Depth:
0.96 ft 1.26 ft
Top Width:
13.75 ft 15.55 ft
Velocity:
9.00 fps
X- Section Area:
10.41 sq ft
Hydraulic Radius:
0.741 ft
Froude Number:
1.82
Manning's n:
0.0500
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
SEDCAD Utility Run Printed 09 -28 -2009