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
le Refuse Disposal area - Channel RDA-5a,2.1% 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)
5.00 3.0:1 3.0:1 2.2
0.30
PADER Method - Steep Slope Design
•
SEDCAD Utility Run Printed 09 -28 -2009
w/o Freeboard W/ Freeboard
Design Discharge:
104.00 cfs
Depth:
1.62 ft 1.92 ft
Top Width:
14.72 ft 16.52 ft
Velocity:
6.51 fps
X- Section Area:
15.97 sq ft
Hydraulic Radius:
1.048 ft
Froude Number:
1.10
Manning's n:
0.0350
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
SEDCAD Utility Run Printed 09 -28 -2009