2009-03-02_PERMIT FILE - C1980004 ‎(15)‎

• Permit No: C1980004A
• IBM Index Class Name: Permit File
• Doc Date: 3/2/2009
• Section_Exhibit Name: Appendix M Hydrologic Calculations
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Structure Detai/;
Structure #13 (Riprap Channel)
R-11
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Mult. x
Depth (ft) % of Depth
Ratio Ratio Nom)
2.00 2.0:1 2.0:1 25.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 3.77 cfs
Depth: 0.06 ft 1.06 ft
Top Width: 2.26 ft 6.26 ft
Velocity*:
X-Section Area: 0.14 sq ft
Hydraulic Radius: 0.060 ft
Froude Number:
Manning's n*:
Dmin: 5.00 in
D50: 15.00 in
Dmax: 18.75 in
Velocity and Manning's n calculations may not apply for this method.

Filename: 10-Year Reclaimed.sc4 Printed 05-20-2008
TR-16 86 05/08