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
f nn~winl.f 1QOR _~M7 Pemol~ I C~i.unh

Structure Detai/;
Structure #11 (Riprap Channel)
R-9-1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right Freeboard Freeboard Freeboard
Width (ft) Sideslope Sidesigpe Slope (%) Mult. x
°
-Ratio Ratio Depth (ft)
/a of Depth (VxD) .
3.00 2.0:1 2.0:1 33.0 1.00
Riprap Channel Results:
r~
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/freeboard
Design Discharge: 1.73 cfs
Depth: 0.04 ft 1.04 ft
Top Width: 3.16 ft 7.16 ft
Velocity*:
X-Section Area: 0.12 s4 ft
Hydraulic Radius: 0.039 ft
Froude Number*:
Manning's n*:
Dmin: 4.00 in
D50: 12.00 in
Dmax: 15.00 in
Velocity and Manning's n calculations may not apply for this method.
Filename: 100-Year Reclaimed.sc4 Printed 05-19-2008
TR-16 103 05/08