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

PIPE CULVERT ANALYSIS
O~UTATION OF CULVERT PERFORMANCE CURVE
October 2, 1989
PROGRAM INPUT DATA:
DES~2IPTION
VALUE
Culvert Diameter (feet) .................~............... 2.50
FHWA Chart Number (1,2 or 3). ... .. ... ......, 2
Scale Number on Chart (Type of~CUlvert Entrance)........ 3
Manning's Roughness Coefficient (n-value) ............... 0.0240
Entrance Loss Coefficient of Culvert Opening....,....... -0.50
Culvert Length (feet)..• ................................ 120.0
Culvert Slope (feet-per foot)••••••••••••••••••••.•••••• 0.0902
PROC~2AM RESULTS:
Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet
Rate Depth Inlet Outlet Depth Depth Qitlet Velocity
• (cfs) (ft) Control Control (ft) (ft) (i't) -(fps)
6.9 1.00 1.25 -8.98 0.54 0.87 0.54 8.77
PIPE CULVERT ANALYSIS CONFUTER PRO(~ZAM Version 1.5 Copyright (c)1986
Dodson & Associates, inc., 7076 W. Tidwell, it 107, Houston, TX 77092
(7t3) 895-8322. A71 Rights Reserved.
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