PERMFILE40869

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 7/5/2002
• Section_Exhibit Name: Exhibit 15 Fill 5 Ditch Design
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
• Structure Detai/;
Structure #2 (vegetated Channel1
D58; ditch sws
Trapezoida( Vegetated Channel Inputs:
Material: Bermuda grass
•
Left Right
Bottom
Retardance Freeboard Freeboard Freeboard limiting
Sideslope Sideslope Slope (%)
Width (ft)
Classes
i Mult. x
Depth (ft) % of Depth Velocity
Rat
o Ratio (VxD) (fps)
12.00 3.0:1 3.0:1 6.9 D, B 0.30 7.0
Vegetated Channel Results:
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
freeboard Capacity
Class B w/
Freeboard
Design Discharge: 61.42 6s 61.42 cis
Depth: 0.64 ft 0.94 ft 0.97 ft 1.27 ft
Top Width: 15.67 ft 17.67 ft 17.84 ft 19.64 ft
Velocity: 6.83 fps 4.23 fps
X-section Area: 8.99 sq f[ 14.53 sq f[
Hydraulic Radius: 0.559 0.800
Froude Number: 1.60 0.83
Roughness Coefficient: 0.0387 0.0796
Structure #1 (Vegetated Channe/J
D57; ditch sws
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass
n
u
Left Right
Bottom
Retardance Freeboar0 Freeboard Freeboard Limiting
sideslope sideslope slope (%)
Width (f[) Ra[io Rado Classes Mult. x
Depth (ft) %of Depth Velocity
(fPs)
(VxD)
10.00 3.0:1 3.0:1 6.3 D, B 0.30 7.0
Vegetated Channel Results:
7
Filename: D89D90_700yr24.sc4 . ~ Printed 04-03-2002