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 nnurinhf 1~OR _9M7 p~muh 1 C~huroh
Structure Detai/;
Structure #8 (Riprap Channel)
R-7-2
Trapezoidal Riprap Channel Inputs:
Material:. Riprap
Left Ri ht
Bottom g Freeboard
Freeboard Freeboard
)
Sideslope Sideslope Slope (%
Width (ft) Mult. x
RaYo Ratio Depth (ft) % of Depth
(VxD)
3.00 2.0:1 2.0:1 4.0 0.30
Riprap Channel Results:
PADER Method -Steep Slope Design

w/o,Freeboard. w/ Freeboard
Design Discharge: 28.67 d`s
Depth: 0.98 ft 1.28 ft
Top Width: 6.91 ft 8.11 ft
Velocity: 5.92 fps
X-Section Area: 4.84 sU ft
Hydraulic Radius: 0.657 ft
Froude Number: 1.25
Manning's n: 0.0380
Dmin: 2.00 in
D50: 3.00 in
Dmax: 4.50 in
Filename: 100-Year Reclaimed.sc4 Printed 05-19-2008
TR-16 99 05/08