PERMFILE138818

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 10/13/2004
• Doc Name: Post-Reclamation Refuse Area Runoff and Sedimentology Calculations
• Section_Exhibit Name: Illustration 49
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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9
Structure Detai/;
Structure #12 Neoetated Channel1
Top
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left
Bottom Right
Retardance
Freeboard Freeboard Freeboard Limiting
Width ft Sideslope
() Sideslope Slope (%) Classes o
Depth (ft) /o of Depth Muft. x Velocity
Ratio Ratio NxD) (fps)
6.00 6.0:1 6.0:1 1.0 D, B 0.30 5.0
Vegetated Channel Results:
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 6.90 cfs 6.90 cfs
Depth: 0.60 ft 0.90 ft 1.16 R 1.46 ft
Top Width: 13.21 ft 16.81 ft 19.87 R 23,47 ft
Velocity: 1.20 fps 0.46 fps
X•Section Area: 5.77 ~ ft 14.95 sq ft
Hydraulic Radius: 0.434 0.745
Froude Number: 0.32 0.09
Roughness
Coefficient: 0.0713 0.2651
Structure #i1 (Nu/l1
Hau/ road
Structure #10 (~eoetated Channell
Southeast
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left
Bottom Right
Retardance Freeboard Freeboard Freeboard Limitng
Sideslope
Width (ft) Ratio Sideslope Slope (%)
Ratio Classes Mult. x
Depth (ft) % of Depth Velocity
s)
(f
(VxD) p
4.00 4.0:1 2.5:1 3.6 D, B 0.30 5.0
Vegetated Channel Results:
Filename: RP-2-3 terrace -final configuration.sc4 Panted 07-16-2004