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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11 .
Left Right
Retardance
Bottom Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes
Width (ft) - Mull. x
Depth (ft) % of Depth Velocity
f
Ratio Ratio (VxD) ps)
(
7.50 4.0:1 2.5:1 6.3 D, 8 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: 16.84 cfs 16.84 cfs
Depth: 0.47 R 0.77 ft 0.80 ft 1.10 ft
Top Width: 10.56 R 12.51 ft 12.73 ft 14.68 ft
Velocity: 3.96 fps 2.07 fps
X-Section Area: 4.25 sq ft 6.14 sq R
Hydraulic Radius: 0.397 0.628
Froude Number: 1.10 0.46
Roughness
Coeffcient: 0.0508 0.1316
Structure #7 (t/eoetated Channe/1
Be%w terrace north-NE
• Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left Right
Retardance
Bottom Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes
Width (R) R
i
R
[i Mull. x
Depth (ft) % of Depth Velocity
(f
s)
at
a
o
o (VxD) p
3.00 4.0:1 4.0:1 7.2 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: 0.72 cfs 0.72 cfs
Depth: 0.18 R 0.48 ft 0.41 ft 0.71 ft
Top Width: 4.42 ft 6.82 R 6.30 ft 8.70 ft
Velocity: 1.09 fps 0.37 fps
X-Section Area: 0.66 sq ft 1.92 sq R
Hydraulic Radius: 0.147 0.300
Froude Number: 0.50 0.12
Roughness
CoefFlcient: 0.1018 0.4782
• Structure #6 (lieoetated Channe/)
Filename: RP-2-3 terrace -foal configuration.sc4 Printed 07-16-2004