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
February 4, 1991
SENECA II-W
CULVERT G-5
PROGRAM INPUT DATA:
DESCRIPTION VALUE
Culvert Diameter (feet) ................................. 3.00
FHWA Chart Number (1,2 or 3) ............................ 2
Scale Number on Chart (Type of Culvert Entrancel........ 3
Manning's Roughness Coefficient (n-value) ............... 0.0240
Entrance Loss Coefficient of Culvert Opening............ 0.50
Culvert Length (feet) ................................... 240.0
Culvert Slope (feet per foot) ........................... 0.1000
PROGRAM RESULTS:
Flow Tail.water Headwater (ft) Normal Critical Depth at Outlet
Rate Depth Inlet Outlet Depth Depth Outlet Velocity
(cfs) (ft) Control Control (ft) (ft) (ft) (fps)
--------------------------------------------------------------------
40.4 2.00 3.60 -17.72 1.23 2.07 1.23 14.76
--------------------------------------------------------------------
--------------------------------------------------------------------
PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (01986
Dodson L Associates, Inc., 7015 W. Tidwell, 1107, Houston, TX 77092
[phone]. All Rights Reserved.
•
0