HYDRO26345

• Permit No: M1984041
• IBM Index Class Name: Hydrology
• Doc Date: 1/23/2001
• Doc Name: CENTEX EAGLE GYPSUM CO LLC 1645A 10 YEAR 24 HOUR
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J. SUwab
Civil Software Design
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 18.6
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 1.54 ds
Depth: 0.11 ft
Top Width: 0.45 R
Velocity*:
X-Section Area: 0.03 sq ft
Hydraulic Radius: 0.051
Fmude 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 [his method.
Structure ~1 (Erodible Channel)
Area A
Trapezoidal Erodible Channel Inputs:
Material:
Bottom Left Right Freeboard Freeboard Freeboard Limiting
Width (ft) Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fPs)
10.00 3.0:1 3.0:1 9.3 O.OSOO 10.0
Erodible Channel Results:
Filename: 1645A P1-10-24.sc4
w/o Freeboard w/ Freeboard
Design Discharge: 276.83 Rs
Depth:
Top Width:
Velocity:
X-Section Area: 1.73 R
20.37 ft
10.54 fps
26.26 sq ft
Hydraulic Radius: 1.259
Froude Number: 1.69
1~
Printed 01-19-2001