2011-11-28_PERMIT FILE - C1992081A ‎(7)‎

• Permit No: C1992081A
• IBM Index Class Name: Permit File
• Doc Date: 11/28/2011
• Doc Name: Existing Facilities Area Conditions
• Section_Exhibit Name: Tab 12 Attachment 12-1
• Media Type: D
• Archive: Yes

TAHRC -13
PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
April 10, 1950
PROGRAM INPUT DATA:
DESCRIPTION VALI
------------------------------------------------------------- - - - - --
Culvert Diameter ( feet) .. ...............................
FHWA Chart Number (1,2 or 3) ............................
Scale Number on Chart (Type of Culvert Entrance) ........
Manning`s Roughness Coefficient (n- value) ...............
Entrance Loss Coefficient of Culvert Opening............
Culvert Length ( feet) .... ...............................
Culvert Slope (feet per foot ) ...........................
2.00
2
3
0.021
0. 0
100.0
0.021
PROGRAM RESULTS:
Flow Tailwater Headwater (ft) Normal Critical Depth at Outl(
Rate Depth Inlet Outlet Depth Depth Outlet Veloci-
(cfs) (ft) Control Control (ft) (ft) (ft) (fp:
------------------------------------------------------------- - - - - --
9.2 1.00 1.72 -0.50 0.94 1.08 0.94 6.:
PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)19;
Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 770'
(713) 395 -3322. All Rights Reserved.