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. 17
Trapezoidal Channel
Left Right
Bottom Freeboard Freeboard Freeboard
. Sideslope Sldeslope Slope (%)
Width (ft) Ratio Ratio Mull x
Depth (ft) % of Deptft
(VxD)
20.00 3.0:1 3.0:1 20.0 1.00
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 100:00 cfs
Depth: 0.37 ft 1.37 ft
Top Wldtfl: 22.23 ft 28.23 ft
Velocity*:
X-Section Area: 7.86 sq ft
Hydraulic Radius: 0.352
Froude Number:
Manning's n*:
Dmin: 4.00 in
D50: 12.00 in
Dmax: 15.00 In
C7
•
Velodty and Manning's n cakulatlons may not apply for this method,
SEDCAD Utility Run Printed 05-05-2006
Exh. 7-14H Revision Date: 7/25/06
21 Revision No.: TR-63