2007-06-01_PERMIT FILE - C1981019A ‎(12)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/1/2007
• Doc Name: Generalized Ditch Design Procedures, Permanent Channels July 2006
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14H
• Media Type: D
• Archive: Yes

SEDCAD 4.0
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•
Simons/OSM Run No. 10
Material: Rii
Trapezoidal Channel
Left Right.
Bottom Freeboard Freeboard Freeboard
Sldesiope Sldeslope Slope (%)
Width (ft) Ratio Ratio
Depth (ft) % of Depth Mult. x
: (YxD)
6.00 3.0:1 3.0:1 20.0 1.00
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 10.00 cfs
Depth: 0.11 ft 1.11 ft
Top Width: 6.69 ft 12.69 ft
Velocity*:
X-Section Area: 0.73 sq ft
Hydraulic Radius: 0.108
Froude Number:
Manning's n*:
Dmin: 3.OO In
D50: 9.00 In
Dmax: 11.25 in

Velocity and Manning's n calculations may not apply for this method.
SEDCAD Utility Run Printed 05-05-2006
Exh. 7-14H Revision Date: 7/25/06
17 Revision No.: TR-63