PERMFILE126472

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: YPM-9 to YPM-20
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3 Part 2
• Media Type: D
• Archive: Yes

J GUI,MLJ Y.V
Copyright 1999 Pamela J. Schwab
Civil Softvare Design
YOAST, YPM-9 !SLOPE 17%

Material: Grass mixture

Triangu/ar Channel
LeR Right Retardarrce Freeboard Freeboard Freetx~rd Limiting
Sideslope _ Sideslope Slope (%) Classes Mult. x
Depth (R) % of Depth Velocity
Ratio Ratio (VxD) (fps)
3.0:1 3.0:1 17.0 D, 8 1.00 4.0
Stability ~
pass D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
pass B w/o
Freeboard Capacty
pass B w/
Freeboard
Design Discharge: 2.90 cfs - 2.90 cfs
Depth: 0.50 R 1.50 ft 0.78 R 1.78 ft
Top Widdt: 2.98 R 8.98 R 4.69 R 10.69 R
Velocity: 3.91 fps 1.58 fps
X-Section Area: 0.74 sq ft 1.83 sq ft
Hydraulic Radius: 0.236 0.371
Froude Number: 1.38 0.45
Roughness Coefficient: 0.0598 0.2002
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SEDCAD Utility Run ~ Printed 05-19-1999