2007-06-01_PERMIT FILE - C1981019A ‎(14)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/1/2007
• Doc Name: Streeter Gulch Ditch July 2006
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14J
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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8
Structure #4 (Ri~~n Channel
Streeter Gulch Ditch -SWS C
Trapezoidal Riprap Channel Inputs:
Material:.Rl~raD
Bottom i-eft. Right Freeboard Freeboard Freeboard
Width (ft)} Sideslope Sideslope Slope (%) Mult x
Ratio Ratio Depth (ft) % of Deptfi (VxD)
12.00 3.0:1 3.0:1 2.8 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
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w/o Freeboard w/ Freeboard
Des(gn Dls~harge: 10.97 ds
Depth: 0.15 ft 1.15 ft
Top Width: 12.92 ft 18.92 ft
Velocity*:
X-Section Area: 1.92 59 ft
Hydraulic Radius: 0.148
Froude Number*:
Manning's n*:
Dmin: 1.00 In
D50: 3.00 in
Dmax: 3.75 in
Velocty and Manning's n calculations may not apply for this method.
Structure #2 (Ri~y Channel
Streeter Gulch Ditch -SWS 8
Trapezoidal Riprap Channel Inputs:
Material: IZprap
Left Right
Bottom Freeboard Freeboard Freeboard
Sldeslope Sideslope Slope (ok)
Width (ft)} Ratio Ratio Mult x
Depth (ft) % of Depti~
. (~D)
12.00 3.0:1 3.0:1 4.4 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
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Filename: Streeter Gulch Ditch.sri4 Printed 05-09-2008
Exh. 7-14J Revision Date: 7/25/06
10 Revision No.: TR-63