2021-04-05_PERMIT FILE - C1981019A ‎(18)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/5/2021
• Doc Name: Streeter Pond and Permanent Channels
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14SP
• Media Type: D
• Archive: Yes

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Structure Detail:
Structure #16(Vegetated Channel
Streeter Ditch 125+00 to 187+00
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)
15.00 3.0:1 3.0:1 2.6 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: 52.10 cfs 52.10 cfs
Depth: 0.73 ft 1.16 ft
Top Width: 19.40 ft 21.99 ft
Velocity: 4.13 fps 2.42 fps
X-Section Area: 12.63 sq ft 21.55 sq ft
Hydraulic Radius: 0.643 ft 0.963 ft
Froude Number: 0.90 0.43
Roughness 0.0433 0.0969
Coefficient:
Structure #17(Veaetated Channel
Buckskin Ditch
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right Freeboard Limiting
9 Freeboard Freeboard g
Bottom Retardance
Sideslope Sideslope Slope(%) Classes Mult. x Velocity
Width(ft) Ratio Ratio Depth (ft) %of Depth (VxD) (fps)
12.00 3.0:1 3.0:1 4.0 D, B 7.0
Vegetated Channel Results:
Filename: Exhibit 7-14SP Streeter Pond 25 Yr 24 Hr 2020 Test.sc4 Printed 01-19-2021