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 -1f (Upped, 1.0%
Slope
Material: Riprap
Trapezoidal Chanel
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
De % of Depth
Depth (ft) (V
3.00 3.0:1 3.0:1 1.0
0.30
PADER Method - Steep Slope Design
Pi
•
SEDCAD Utility Run Printed 09 -28 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
60.80 cfs
Depth:
1.66 ft 1.96 ft
Top Width:
12.95 ft 14.75 ft
Velocity:
4.60 fps
X- Section Area:
13.23 sq ft
Hydraulic Radius:
0.981 ft
Froude Number:
0.80
Manning's n:
0.0320
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
SEDCAD Utility Run Printed 09 -28 -2009