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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Structure Detail:
Structure #6(Vegetated Channel
0+00 to 22+42 North Facilities 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 2.8 D, B 7.0
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: 35.60 cfs 35.60 cfs
Depth: 1.16 ft 1.69 ft
Top Width: 11.31 ft 15.54 ft
Velocity: 4.59 fps 2.40 fps
X-Section Area: 7.75 scl ft 14.85 scl ft
Hydraulic Radius: 0.668 ft 0.930 ft
Froude Number: 0.98 0.43
Roughness 0.0414 0.0991
Coefficient:
Structure #5(Culverts
Culvert
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope(%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
200.00 1.50 0.0150 3.00 0.00 0.90
Culvert Results:
Design Discharge = 35.60 cfs
Minimum pipe diameter: 1 - 42 inch pipe(s) required
Structure #4(Erodible Channel
0+00 to 5+00 North Facilities Ditch
Filename:Appendix Exh.7-14WA 100 Year Storm Event.sc4 Printed 01-06-2021