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
(:nnvrinh} 1QQA.9fVYJ Gomoh I Rrhu��h
1
Refuse Disposal Area - Bench Ditch 6L (BD -60,
2.1% Slope
Material: Graded loam to cobbles when noncolloidal
Trapezoidal Channel
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslope Sideslope Slope ( %) Manning's n Mult. x Velocity
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
10.00 5.0:1 5.0:1 2.1 0.0300 0.30 5.0
0
10
SEDCAD Utility Run Printed 08 -10 -2009
w/o Freeboard w/ Freeboard
Design Discharge:
39.30 cfs
Depth:
0.64 ft 0.94 ft
Top Width:
Velocity:
16.44 ft 19.44 ft
4.62 fps
X- Section Area:
8.51 sq ft
Hydraulic Radius:
0.514 ft
Froude Number:
1.13
0
10
SEDCAD Utility Run Printed 08 -10 -2009