2011-06-29_PERMIT FILE - C1981019A ‎(22)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Permanent Channel Design
• Section_Exhibit Name: Exhibit 07 Item 20 Part E -ST
• Media Type: D
• Archive: Yes

•
SEDCAD 4 for Windows
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Left Right Freeboard Freeboard Freeboard
Width
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Bottom
Sideslope Sideslope Slope ( %)
Mult. x
(ft)
Ratio Ratio
Depth (ft) % of Depth
(VxD)
12.00 3.0:1 3.0:1 25.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
0 Velocity and Manning's n calculations may not apply for this method.
8
Filename: EastTaylor East Trib Ditch 100 24.sc4 Printed 12 -27 -2010
Exh. 7- 20E -15 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
42.24 cfs
Depth:
0.20 ft 1.20 ft
Top Width:
13.19 ft 19.19 ft
Velocity*:
X- Section Area:
2.49 sq ft
Hydraulic Radius:
0.188 ft
Froude Number *:
Manning's n *:
Dmin:
4.00 in
D50:
12.00 in
Dmax:
15.00 in
0 Velocity and Manning's n calculations may not apply for this method.
8
Filename: EastTaylor East Trib Ditch 100 24.sc4 Printed 12 -27 -2010
Exh. 7- 20E -15 Revision Date: 12/31/10
Revision No.: TR -81