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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10
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)
4.00 1.8:1 7.8:1 1.9 D, B 0.30 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: 0.88 cfs 0.88 cfs
Depth: 0.26 ft 0.56 ft 0.60 ft 0.90 ft
Top Width: 6.45 ft 9.33 ft 9.78 ft 12.66 ft
Velocity: 0.66 fps 0.21 fps
X-Section Area: 1.33 sq ft 4.15 sq ft
Hydraulic Radius: 0.205 ft 0.419 ft
Froude Number: 0.26 0.06
Roughness 0.1072 0.5390
Coefficient:
Structure #49(Culverts
C-21 into ID-5A
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope(%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
40.00 2.00 0.0240 2.00 0.00 0.90
Culvert Results:
Design Discharge = 3.85 cfs
Minimum pipe diameter: 1 - 15 inch pipe(s) required
Structure #50(Erodible Channel
ID-5A into Culvert C-9
Triangular Erodible Channel Inputs:
Material: Graded loam to cobbles when noncolloidal
Left Right Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope(%) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) %of Depth (VxD) (fps)
1.8:1 7.8:1 1.9 0.0300 0.30 5.0
Erodible Channel Results:
Filename: Disturbed Area Modified for King III Portals JR.sc4 Printed 04-29-2020