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 •
January 16, 1991
CULVERT G-4
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-valuel ............... 0.0240
Entrance Loss Coefficient of Culvert Opening............ 0.50
Culvert Length (feet) ................................... 150.0
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)
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54.'2 3.00 3.93 -2.29 1.63 2.30 1.63 12.30
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PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986
Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092
[phone]. All Rights Reserved.
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