2015-12-17_PERMIT FILE - C1981035A ‎(11)‎

• Permit No: C1981035A
• IBM Index Class Name: Permit File
• Doc Date: 12/17/2015
• Doc Name: Hydrology Sed Cad Model West Clear Water Ditch
• Section_Exhibit Name: KII Appendix 11‎(1)‎ SedCad Model Ditch West
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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101
Station 1 +80 to Station 2+37 (D)
Parabolic Vegetated Channel Inputs:
Material: Grass mixture
Retardance
Freeboard Freeboard Freeboard
Limiting
Slope (%) Classes
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
Class D w/o
(VxD)
Class C w/o
0.2 D, C
0.30
5.0
Vegetated Channel Results:
Structure #12_(Culveit
Culvert C-18 to Station 4+95
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
255.00 4.24 0.0110 3.00 0.00 0.91
Culvert Results:
Design Discharge = 15.20 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #13(Biprap Channell
Station 4+90 to 8+38 (E)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Filename: CWD-1 to CWD-2.sc4 Printed 12-03-2015
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:
1.99 ft
2.29 ft
2.27 ft
2.57 ft
Top Width:
7.94 ft
8.52 ft
9.08 ft
1.11 fps
13.75 sq ft
9.67 ft
Velocity: 1.45 fps
X -Section Area: 10.52 sq ft
Hydraulic Radius:
1.135 ft
1.298 ft
Froude Number:
0.22
0.16
0.0717
Roughness Coefficient: 0.0501
Structure #12_(Culveit
Culvert C-18 to Station 4+95
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
255.00 4.24 0.0110 3.00 0.00 0.91
Culvert Results:
Design Discharge = 15.20 cfs
Minimum pipe diameter: 1 - 21 inch pipe(s) required
Structure #13(Biprap Channell
Station 4+90 to 8+38 (E)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Filename: CWD-1 to CWD-2.sc4 Printed 12-03-2015