2009-05-22_PERMIT FILE - C1981041A ‎(3)‎

• Permit No: C1981041A
• IBM Index Class Name: Permit File
• Doc Date: 5/22/2009
• Section_Exhibit Name: Tab 14 Appendix 14-6 Part 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r,...,,.:.,n~ ~°°a oa~,vi~ ~ c~w~~~,
•
5
Structure Detai/;
Structure #1 (Riprap Channe/)
Segment "O"
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left
Bottom Right Freeboard Freeboard Freeboard
Sideslope
Width (R)} Sideslope Slope (%)
Depth (R) % of Depth Mult. x
Ratio Ratio (VxD)
3.00 1.5:1 1.5:1 50.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
C
w/o Freeboard w/ Freeboard
Design Discharge: 1.32 cfs
Depth: 0.04 ft 1.04 ft
Top Width: 3.11 ft 6.11 ft
Velocity*:
X-Section Area: ~ 0.11 sq ft
Hydraulic Radius: 0.036
Froude Number*:
Manning's n*:
Dmin: 3.00 in
D50: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #Z~Erodible Channel
Segment "P"
Trapezoidal Erodible Channel Inputs:
Material: Alluvial silts noncolloidal
Bottom LeR Right Freetward Freeboard Freeboard Limiting
Sideslope
Width (ft) Sideslope Slope (%) Manning's n Mult. x
D Velocty
Ratio epth (ft) % of Depth
Ratio
(VxD)
(fps)
5.00 4.0:1 4.0:1 7.0 0.0200 1.00 3.5
Erodible Channel Results:
Filename: PCC-RBA.sc4
14-6 -108
Printed 09-23-2002
New 9/02