2008-03-03_PERMIT FILE - C2006085A ‎(4)‎

• Permit No: C2006085A
• IBM Index Class Name: Permit File
• Doc Date: 3/3/2008
• Doc Name: Drainage and Sediment Control Plan
• Section_Exhibit Name: Exhibit V
• Media Type: D
• Archive: Yes

' SEDCAD 4 for Windows
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7
Structure Detai/;
Structure #2.(I/egetated Channel)
South Run-off Col%ction Ditch
Triangular Vegetated Channel Inputs:
Material: Grass mixture
Left Right
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes
Depth (ft) % of Depth Mult. x Velocity

(fps)
Ratio Ratio (VxD)
3.0:1 3.0:1 2.5 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: 10.33 cfs 10.33 cfs
Depth: 1.08 ft 1.38 ft 1.62 ft 1.92 ft
Top Width: 6.50 ft 8.30 ft 9.72 ft 11.52 ft
Velocity: 2.94 fps 1.31 fps
X-Section Area: 3.52 sq ft 7.87 sq ft
Hydraulic Radius: 0.514 ft 0.768 ft
Froude Number: 0.70 0.26
Roughness Coefficient: 0.0514 0.1505
Structure #1 (Vegetated Channel)
North Run-off Col%ction Ditch
Triangular Vegetated Channel Inputs:
Material: Grass mixture
Left Right
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Classes Mult. x
Depth (ft) % of Depth Velocity
(fps)
Ratio Ratio (VxD)
3.0:1 3.0:1 2.5 D, B 0.30 4.0
Vegetated Channel Results:
Filename: 10yr-24hr Sediment Pond Design.sc~ Printed 05-08-2007