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

CJ
TAHRC-17
PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
April 10, 1330
PROGRAM INPUT DATA:
DESCRIPTION VALUE
Culvert Diameter (feet) ................................. 3.50
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) ........................... 0.0150
--------------------------------------------------------------------
--------------------------------------------------------------------
PROGRAM RESULTS:
Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet
Rate Depth Inlet Outlet Depth Depth Outlet Velocity
(cfs) (ft) Control Control (ft) (ft) (ft) (fps)
60.8 3.00 4.30 3.62 2.62 2.44 2.62 7.86
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.
•