2013-02-25_PERMIT FILE - C1982057A ‎(4)‎

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 2/25/2013
• Doc Name: Culvert Calculations ‎(Pgs 13-7-1 to 13-7-170)‎
• Section_Exhibit Name: Tab 13 Attachment 13-7
• Media Type: D
• Archive: Yes

•
PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
October 30, 1990
•
PROGRAM INPUT DATA: RRC-B4
DESCRIPTION VALUE
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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) ................................... 200.0
Culvert Slope (feet per foot) ........................... 0.0500
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)
2.9 1.00 0.84 -8.57 0.44 0.59 0.44 5.69
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PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)1986
Dodson &i Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092
[phone]. All Rights Reserved.
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