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
(`nnv.inht 1ggR _9M7 P~mnla 1 Ghuroh
Structure Detai/;
Structure #Z8 (Riprap Chann%~
DITCH IS
Trapezoidal Riprap Channel Inputs:
Material:. Riprap
Bottom Left Right Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope (%) Mult
x
Ratio Ratio .
Depth (ft) % of Depth ~D)
3.00 1.5:1 1.5:1 33.0 1.00
Riprap Channel Results:

Simons/OSM Method -Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
w/o Freeboard w/freeboard .
Design Discharge: 0.53 cfs
Depth: 0.03 ft 1.03 ft
Top Width: 3.09 ft 6.09 ft
Velocity*:
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
Filename: SEDIMENT POND_100.sc4 Printed 05-16-2008
TR-16 68 05/08