PERMFILE60681

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 8/20/2004
• Section_Exhibit Name: Tab 13 Attachment 13-10 Part 2
• Media Type: D
• Archive: Yes

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PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
April 10, 1990
PROGRAM INPUT DATA
DESCRIPTION VALUE
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) ................................... 120.0
Culvert Slope (feet per foot) ........................... 0.0010
PROGRAM RESULTS:
Flow T+silwater Headwater (ft) Normal Critical Depth at Ou t
Rate Depth Inlet Outlet Depth Depth Outlet Velo
(cfs)
--------- (ft)
---
--- Control Control
--
--
-- (ft)
- (ft)
-
- (ft) ( s)
-

9.0 --
-
1.00 --
----
---
--
1.70 2.25 ---
---
2.00 -
----
--
1.07 --------------
--
1.07 5.26
--------------------------------------------------------------------
PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)1986
Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092
[phone]. All Rights Reserved. ,
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