2021-03-03_PERMIT FILE - C1981019

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 3/3/2021
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh 7-14WA
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right Freeboard Limiting
9 Freeboard Freeboard 9
Bottom Retardance
Sideslope Sideslope Slope(%) Classes Mult. x Velocity
Width(ft) Ratio Ratio Depth (ft) %of Depth (VxD) (fps)
2.00 2.0:1 2.0:1 5.1 D, B 6.0
Vegetated Channel Results:
Stability Stability Capacity Capacity
Class D w/o Class D w/ Class B w/o Class B w/
Freeboard Freeboard Freeboard Freeboard
Design Discharge: 20.24 cfs 20.24 cfs
Depth: 0.92 ft 1.38 ft
Top Width: 5.67 ft 7.50 ft
Velocity: 5.76 fps 3.10 fps
X-Section Area: 3.52 sq ft 6.53 sq ft
Hydraulic Radius: 0.576 ft 0.801 ft
Froude Number: 1.29 0.59
Roughness 0.0404 0.0937
Coefficient:
Structure #3(Ve_getated Channel
South FaciiitieS Ditch
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Bottom
Left Right Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope(%) Classes Mult. x Velocity
Width(ft) Ratio Ratio Depth (ft) %of Depth (VxD) (fps)
2.00 1.0:1 7.0:1 5.2 D, B 6.0
Vegetated Channel Results:
Stability Stability Capacity Capacity
Class D w/o Class D w/ Class B w/o Class B w/
Freeboard Freeboard Freeboard Freeboard
Design Discharge: 16.44 cfs 16.44 cfs
Depth: 0.76 ft 1.18 ft
Top Width: 8.07 ft 11.46 ft
Velocity: 4.30 fps 2.07 fps
X-Section Area: 3.82 sq ft 7.95 sq ft
Hydraulic Radius: 0.463 ft 0.677 ft
Froude Number: 1.10 0.44
Filename:Appendix Exh.7-14WA 100 Year Storm Event.sc4 Printed 01-06-2021