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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41 Refuse Disposal Area - Channel RDA -1c, 1.0% Slope
Material: Ripra
Trapezoidal Channel
Left Right
Freeboard Freeboard Freeboard
Width Bottom Sideslope Sideslope Slope ( %)
Depth (ft) % of Depth Mult. x
Ratio Ratio
(VxD)
4.00 3.0:1 3.0:1 1.0
0.30
PADER Method - Mild Slope Design
SEDCAD Utility Run Printed 09-28 -2009
- w/o Freeboard w/ Freeboard
Design Discharge:
84.00 ds
Depth:
1.88 ft 2.18 ft
Top Width:
15.27 ft 17.07 ft
Velocity:
4.64 fps
X- Section Area:
18.09 sq ft
Hydraulic Radius:
1.139 ft
Froude Number:
0.75
Manning's n:
0.0350
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
SEDCAD Utility Run Printed 09-28 -2009