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 -17
PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
April 10, 1990
PROGRAM INPUT DATA:
DESCRIPTION VAW
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.x'!2,
Entrance Loss Coefficient of Culvert Opening............ 0. "o
Culvert Length ( feet) .... ............................... 120.0
Culvert Slope (feet per foot ) ........................... 0.01'.
PROGRAM RESULTS:
Flow Tailwater Headwater (ft) Normal Critical Depth at Out1F
Pate Depth Inlet Outlet Depth Depth Outlet Veloci-
(cfs) (ft) Control Control (ft) (ft.) (ft) (fo
00.8 3.00 4.30 3.62 2.62 2.44 2.62 7.:
PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)19;
Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 770:
(713) 895 -8322. All Rights Reserved.