PERMFILE47459

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15 100-year Ditches Area 2-2 Pond Eeast Side
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
w/o Freeboard w/ Freeboard
• Hydraulic Radius: 0.265
Froude Number: 1.83
Structure #3 (RidraA Channel
S-3
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom LeR Right Freeboard Freeboard Freeboard
Sideslope
Width (ft)} sideslope Slope (%)
Depth (R) % of Depth Mult. x
Ratio Ratio (VxD)
10.00 3.0:1 3.0:1 26.9 0.30
Riprap Channel Results:
•
Structure #4 (Null
•
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 20.51 ds
Depth: 0.12 R 0.42 R
Top Width: 10.71 R 12.51 ft
Velocity":
X-Section Area: 1.23 sq ft
Hydraulic Radius: 0.115
Froude Number*:
Manning's n":
Dmin: 3.00 in
D60: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply far this method.
Filename: Ditches -100 yr east 2-182.srA Printed 04-19-2001