2009-10-06_PERMIT FILE - C1980005 ‎(18)‎

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 10/6/2009
• Doc Name: Culvert Designs
• Section_Exhibit Name: Tab 07 Appendix 7-12 Appendix C
• Media Type: D
• Archive: No

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'PIPE CULVERT ANALYSIS
C~UTATION OF CULVERT PERFORMANCE CURVE
October 2,1989
PROGRAM INPl7T DATA:
DESCRIPTION: VALUE
Culvert Diameter-(feet)... ........................... 6:00
. ...
FHWA Chart Number (1,2 or 3)... .................... 2
.Scale Number on Chart (Type of Culvert Entrance7........ 3
Manning`s Roughness Coefficieht (n-value) ............... 0.0240
Entrance Loss Coefficient of Culvert Opening............ 0:50'
Culvert Length (feet} ................................... 93.0
Culvert Slope (feet per foot},,,,,,,,,,,,,,,,,,,,,,,,,,, 0.0200
PROCRAM RESULTS:
F1oW Tailwater Headwater (ft) Normal Critical Depth at Outlet
Rate Depth•Inlet Outlet Depth Depth Outlet Velocity
(cfs) (ft) Control Control (ft') (ft) (ft) (fps)
14.9 2.00 1.38 1.66 0.87 1.04. 2,00 1.81
PIPE CULVERT ANALYSIS CCf~PU7ER.FROC~2AM Version 1.5 Copyright (c)1986
Dodson & Associates, Inc:, 7015 W, Tidwell, x107, Howston; TX 77092
(713) 895=8322..A11 R-fights Reserved.
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