2017-02-03_PERMIT FILE - C1980004 ‎(18)‎

• Permit No: C1980004
• IBM Index Class Name: Permit File
• Doc Date: 2/3/2017
• Section_Exhibit Name: Appendix M Hydrologic Calculations
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detai/;
Structure #39 (Riprap Channel
DITCH 17
Trapezoidal Riprap Channel Inputs:
Material: Riprap
~~ ~9ht
Bottom Freeboard Freeboard.. Freeboard
Sideslope Sideslope Slope (%)
-Width (ft)
M. ult. x
Ratio Ratio Depth (ft) %:of Depth
_ _ ~~).
3.00 1.5:1 1.5:1 35.0 1.00
Riprap Channel Results:

Simons/OSM Method -Steep Slope Design
w/o Freeboard w/`Freeboard
Design Discharge: 0.55 cfs
Depth: 0.03 ft 1.03 ft
Top Width: 3.09 ft 6.09 ft
Velocty*:
X-Section Area: 0.09 sq ft
Hydraulic Radius: 0.029 ft
Froude Number*:
Manning's n*:
Dmin: 3.00 in
D50: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply for this method.
Filename: SEDIMENT POND_10.sc4 Printed 05-16-2008
TR-16 41 05/08