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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17
Left Right
Bottom
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope. Slope(%)
Width (ft)
Classes -
Depth (ft) % of Depth Mult. x Velocity
Ratio Ratio
(VxD) f s
(P )
6.00 3.0:1 3.0:1 2.0 D, B 0.30 5.0
Vegetated Channel Results:
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboarcl Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 10.11 cfs 10.11 cfs
Depth: 0.59 ft 0.89 R 1.06 ft 1.36 R
Top Width: 9.53 ft 11.33 R 12.38 ft 14.18 ft
Velocity: 2.21 fps 1.03 fps
X-Section Area: 4.57 sq ft 9.77 sq ft
Hydraulic Radius: 0.470 0.768
Froude Number: 0.56 0.21
Roughness Coefficient: 0.0576 0.1707
Structure #13 Ne4etated Channe/~
' • Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left Right
Bottom
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes
Width (ft) Mult. x
Depth (ft) % of Depth Velocity
Ratio Ratio (VxD) (fps)
5.00 3.0:1 5.0:1 2.5 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: 1.06 cfs 1.06 ffs
Depth: 0.23 ft 0.53 ft 0.54 ft 0.84 ft
Top Width: 6.85 ft 9.25 R 9.34 ft 11.74 ft
Velocity: 0.77 fps 0.27 fps
X-Section Area: 1.37 sq ft 3.89 sq ft
Hydraulic Radius: 0.198 0.411
Froude Number: 0.30 0.07
Roughness Ccefficien[: 0.1035 0.4799
• Structure #12 (~eAetated Channel1
Filename: RP-5a terrace -final configuration.srA Printed 07-28-2004