2012-11-21_PERMIT FILE - C1982056A ‎(2)‎

• Permit No: C1982056A
• IBM Index Class Name: Permit File
• Doc Date: 11/21/2012
• Doc Name: COAL REFUSE DISPOSAL AREA EXPANSION
• Section_Exhibit Name: Exhibit 08EE Coal Refuse Disposal Area Expansion Drainage Designs
• Media Type: D
• Archive: Yes

SEDCAD 4.0
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i e Refuse Disposal Area - Bench Ditch 5R (BD -5R),
3.0% Slope
Material: Graded loam to cobbles when noncolloidal
Triangular Channel
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
MUlt. x
Depth (ft) % of Depth
Velocity
(fps)
Ratio Ratio
(VxD)
Velocity:
20.0:1 3.0:1 3.0 0.0300
0.30
5.0
•
SEDCAD Utility Run Printed 08 -10 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
11.60 cfs
Depth:
0.53 ft 0.83 It
Top Width:
12.25 ft 19.15 ft
Velocity:
3.55 fps
X- Section Area:
3.26 sq ft
Hydraulic Radius:
0.265 ft
Froude Number:
1.21
•
SEDCAD Utility Run Printed 08 -10 -2009