2020-06-16_PERMIT FILE - C1981035 ‎(28)‎

• Permit No: C1981035
• IBM Index Class Name: Permit File
• Doc Date: 6/16/2020
• Doc Name: Appendix
• Section_Exhibit Name: KII Appendix 11‎(1)‎ Hydrology Analysis June 1, 2020
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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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)
3.50 5.6:1 7.7:1 2.9 D, B 0.30 5.0
Vegetated Channel Results:
Stability Stability Capacity Capacity
Class D w/o Class D wl Class B w/o Class B w/
Freeboard Freeboard Freeboard Freeboard
Design Discharge: 15.20 cfs 15,20 cis
Depth: 0.70 ft 1.00 ft 1.17 ft 1.47 ft
Top Width: 12.82 ft 16.81 ft 19.03 ft 23.03 ft
Velocity: 2.66 fps 1.16 fps
X-Section Area: 5,71 sq ft 13.15 sq ft
Hydraulic Radius: 0.442 ft 0.685 ft
Froude Number; 0.70 0.25
Roughness Coefficient: 0.0555 0,1710
Structure #5(Vegetated Channel
Station 1 f18 to Station 1-f-80(C)
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass
Left Right Freeboard Limiting
Bottom g Retardance Freeboard Freeboard g
Sideslope Sideslope Slope(%) Classes Mult.x Velocity
Width (ft) Ratio Ratio Depth (ft) %of Depth (VxD) (fps)
3,30 2.2:1 2,7:1 6.8 D, C 0.30 7.0
Vegetated Channel Results:
Stability Stability Capacity Capacity
Class D w/o Class D w/ Class C w/o Class C w/
Freeboard Freeboard Freeboard Freeboard
Design Discharge: 15.20 cfs 15.20 cfs
Depth: 0.62 ft 0.92 ft 0.73 ft 1.03 ft
Top Width: 6.36 ft 7.84 ft 6M ft 8.40 ft
Velocity: 5,09 fps 4.07 fps
X-Section Area: 2.99 sq ft 3.74 sq ft
Hydraulic Radius: 0.453 ft 0.519 ft
Froude Number: 1.31 0,97
Roughness Coefficient: 0.0452 0.0618
Structure #6 I/e etated Channel
Filename:CWD-1 to CWD-2.sc4 Printed 12-03-2015