PERMFILE60681

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 8/20/2004
• Section_Exhibit Name: Tab 13 Attachment 13-10 Part 2
• Media Type: D
• Archive: Yes

•
TA H RC-16
PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
April 10, 1990
PROGRAM INPUT DATA:
DESCRIPTION VALUE
Culvert Diameter (feet) ................................. 2.00
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) ................................... 90.0
Culvert Slope (feet per foot) ........................... 0.0310
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PROGRAM RESULTS:
Flow Tailwater Headwater (ft) Normal Critical Depth at Ou t
Rate Depth Inlet Outlet Depth Depth Outlet Vel y
(cfs) (ft) Control Control (ft) (ft) (ft) ( s)
7.7 1.00 1.53 -0.80 0.83 0.99 0.83 6.29
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PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)1986
Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092
[phone]. All Rights Reserved. ,
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