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
rlnnminM ~o°a oo..,ei~ i en6,.mh
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Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class 8 w/
Freeboard
Design Discharge: 8.17 cfs 8.17 cfs
Depth: 0.40 ft 0.70 ft 0.73 ft 1.03 ft
Top Width: 8.21 ft 10.61 ft 10.81 ft 13.21 ft
Velocity: 3.09 fps 1.42 fps
X-Section Area: 2.65 sq ft 5.74 sq ft
Hydraulic Radius: 0.319 0,522
Froude Number: 0.96 0.34
Roughness Coefficient: 0.0586 0.1767
Structure #ZS (Vegetated Channel)
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left Right
Retardance
Bottom Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes
Width (ft) Mult. x
Depth (ft) % of Depth Velocity
Ratio Ratio (VxD) (ffn)
5.00 3.0:1 5.0:1 2.9 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: 10,11 cfs 10.11 cfs
Depth: 0.56 ft 0.86 ft 1.00 ft 1.30 ft
Top Width: 9.50 ft 11.90 ft 13.01 ft 15.41 ft
Velocity: 2.48 fps 1.12 fps
X-Section Area: 4.08 sq ft 9.01 sq ft
Hydraulic Radius: 0.423 0.680
Froude Number: 0.67 0.24
Roughness Coefficient: 0.0575 0.1744
Structure #14 [t/eaetated Chann%)
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
•
Filename: RP-6a terrace -final configuration.sc4
Printed 07-28-2004