PERMFILE72692

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 7 Item 14 Emergency Spillway Temporary & Permanent Channel Designs
• Media Type: D
• Archive: Yes

SEDCAD 4.0
Copyright 1999 Pamela J Schwab
Civil Software Design
. Streeter Gulch Ditch Sta. 33 to 55 : Q=220.7 cfs
Material: Riprao
Bottom Sides ope 8ideslope Slope (%) Freeboard
Freeboard Freeboard
Width (R) Ratio Ratio °
Depth (R) /o of Depth Mult. x (VxD)
15.00 3.0:1 3.0:1 2.0 1.00
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Depth: 1.23 R 2.23 R
Top Width: 22.37 R 28.37 R
Velocity':
X-Section Area: 22.96 sq R
Hydraulic Radius: 1.008
Froude 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 this method.
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SEDCAD Utility Run Printed 11-08-1998