2021-04-05_PERMIT FILE - C1981019A ‎(19)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/5/2021
• Doc Name: West Taylor Pond and Channels
• Section_Exhibit Name: Exhibit 07 Item 20 Part B -ST
• Media Type: D
• Archive: Yes

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Trib 3
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)
6.00 3.0:1 3.0:1 11.0 D, B 1.62 5.0
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: 1.93 cfs 1.93 cfs
Depth: 0.18 ft 1.80 ft 0.38 ft 2.00 ft
Top Width: 7.06 ft 16.78 ft 8.29 ft 18.01 ft
Velocity: 1.68 fps 0.71 fps
X-Section Area: 1.15 sq ft 2.72 sq ft
Hydraulic Radius: 0.162 ft 0.324 ft
Froude Number: 0.73 0.22
Roughness 0.0868 0.3277
Coefficient:
Structure #28(Nulls
Null Confluence Trib 3
Structure #27(lAeQetated Channel
Trib 2
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)
6.00 3.0:1 3.0:1 11.0 D, B 1.36 5.0
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: 10.76 cfs 10.76 cfs
Depth: 0.36 ft 1.72 ft 0.64 ft 2.00 ft
Top Width: 8.17 ft 16.33 ft 9.82 ft 17.98 ft
Filename:West Taylor Pond 25 YR-24 HR.sc4 Printed 01-05-2021