2011-06-29_PERMIT FILE - C1981019A ‎(29)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: East Taylor Ditch July 2006
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14I
• Media Type: D
• Archive: Yes

•
SEDCAD 4 for Windows
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Left Right Retardance
Bottom
Freeboard Freeboard Freeboard
Limiting
Velocity
Sideslope Sideslope Slope ( %) Classes
Width (ft)
Mult. x
Depth (ft) % of Depth
(fps)
Ratio Ratio
(VxD)
47.17 cfs
20.00 3.0:1 3.0:1 1.5 D, B
1.00
7.0
Vegetated Channel Results:
Structure #3 ( Riprap Channel)
lower portion of e taylor ditch
10 Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
47.17 cfs
1.00
47.17 cfs
Depth:
0.73 ft
1.73 ft
1.22 ft
2.22 ft
Top Width:
24.40 ft
30.40 ft
27.30 ft
33.30 ft
Velocity:
2.89 fps
1.64 fps
X- Section Area:
16.30 sq ft
28.78 sq ft
Hydraulic Radius:
0.661 ft
1.039 ft
Froude Number:
0.62
0.28
Roughness Coefficient:
0.0478
0.1142
Structure #3 ( Riprap Channel)
lower portion of e taylor ditch
10 Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%)
Mult. x
Width (ft)
Ratio Ratio
Depth (ft) % of Depth
(VxD)
12.00 3.0:1 3.0:1 22.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
0
4DFilename: East Taylor Ditch 1024.sc4 Printed 12 -12 -2010
Exh. 7 -14I -8 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
53.01 cfs
Depth:
0.27 ft 1.27 ft
Top Width:
13.61 ft 19.61 ft
Velocity*:
X- Section Area:
3.45 sq ft
Hydraulic Radius:
0.251 ft
Froude Number *:
Manning's n *:
Dmin:
4.00 in
0
4DFilename: East Taylor Ditch 1024.sc4 Printed 12 -12 -2010
Exh. 7 -14I -8 Revision Date: 12/31/10
Revision No.: TR -81