2007-06-01_PERMIT FILE - C1981019A ‎(17)‎

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

SEDCAD 4 for Windows
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Structure Detail:
Structure #1 (Riprap Channel,
Buckskin Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right.
BOttOm Freeboard Freeboard Freeboard
Sldesiope Sidesfope Slope (%)
Width (ft)}
o Mult. x
Depth (ft) % of Depth
Ratio .
Rati (~D)
12.00 3.0:1 3.0:1 5.4 1.00
Riprap Channel Results:
Simons/OSM Method -Mild Slope Design

w/o Freeboard w/ Freeboard
Design Discharge: 0.10 cfs
Depth: 0.05 ft 1.05 ft
Top Width: 12.28 ft 18.28 ft
Velodty: 0.17 fps
X-Section Area: 0.57 sq ft
Hydraulic Radius: 0.046
Froude Number: 0.14
Manning's n: 0.0280
Dmin: 1.00 in
D50: 3.00 In
Dmax: 6.00 in
Filename: Buckskin Ditch.sri4 Printed 05-09-2006
Exh. 7-14M Revision Date: 7/25/06
7 Revision No.: TR-63