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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• Be%w terrace north-NW
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left
Bottom Right
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope
Width (ft) R
ti Sideslope Slope (%)
Classes
R
ti Mult. x
Depth (ft) % of Depth Velocity
(fps)
a
o a
o (VxD)
3.00 4.0:1 4.0:1 10.0 D, B 0.30 4.0
Vegetated Channel Results:
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class 8 w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 0.54 cfs 0.54 cfs
Depth: 0.14 R 0.44 ft 0.34 ft 0.64 R
Top Width: 4.14 ft 6.54 ft 5.74 ft 8.14 ft
Velocity: 1.05 fps 0.36 fps
X-Section Area: 0.51 sq ft 1.50 sq ft
Hydraulic Radius: 0.122 0.257
Froude Number: 0.53 0.12
Roughness
Coeffcient: 0.1090 0.5294
Structure #5 e etated Channel
Be%w terrace north-NW
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Bottom Left Right
Retardance Freeboard Freeboard Freeboard Limiting

Width (ft) Sideslope Sideslope Slope (%) Classes
R
ti
Depth (ft) %of De tlt Mult. x
P Velocity

(fps)
a
o
Ratio (Vxp)
4.00 3.0:1 4.0:1 5.8 D, B 0.30 4.0
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: 1.80 cfs 1.80 cfs
Depth: 0.25 ft 0.55 R 0.53 ft 0.83 ft
Top Width: 5.73 ft 7.83 ft 7.69 R 9.79 ft
Velocity: 1.50 fps 0.58 fps
X-Section Area: 1.20 sq R 3.08 sq ft
Hydraulic Radius: 0.207 0.393
12
Filename: RP-2-3 ferrate -final confguretion.sc4 Printed 07-15-2004