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
(`nn.winhh 10UR _~(1f17 Domnle 1 Crh.uah

Structure Detai/;
Structure #17 (Riprap Channel)
R-7-1
Trapezoidal Riprap Channel Inputs:
Material:. Riprap
Bottom Left Right Freeboard Freeboard Freeboard

o)
Sidesfope Sideslope Slope (/o
Width (ft)
Mult: x
Ratio Ratio Depth (ft) %of Depth
(VxD)
3.00 2.0:1 2.0:1 33.0 1.00
Riprap Channel Results:
PADER Method -Steep Slope Design
r

w/o Freeboard w/:freeboard.
Design Discharge: 16.13 cfs
Depth: 0.53 ft 1.53 ft
Top Width: 5.14 ft 9.14 ft
Velocity: 7.42 fps
X-Section Area: 2.17 sq ft
Hydraulic Radius: 0.403 ft
Froude Number: 2.01
Manning's n: 0.0630
Dmin: 3.00 in
D50: 6.00 in
Dmax: 9.00 in
Filename: 100-Year ReGaimed.sc4 Printed 05-19-2008
TR-16 98 05/08