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
rnmminhr IQQA_9nn° D---I9 1 Rrhu /oh
Refuse Disposal Area - Bench Ditch 5R (BD -5R),
2.1% Slope
Material: Graded loam to cobbles when noncolloidal
Triangular Channel
1]
SEDCAD Utility Run Printed 08 -10 -2009
Left Right
Freeboard Freeboard Freeboard
Limiting
Depth:
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
X- Section Area:
Ratio Ratio
(VXD)
0.284 ft
Froude Number:
20.0:1 3.0:1 2.1 0.0300
0.30
5.0
1]
SEDCAD Utility Run Printed 08 -10 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
11.60 cfs
Depth:
0.57 ft 0.87 ft
Top W idth:
Velocity:
13.10 ft 20.00 ft
3.11 fps
X- Section Area:
3.73 sq ft
Hydraulic Radius:
0.284 ft
Froude Number:
1.03
1]
SEDCAD Utility Run Printed 08 -10 -2009