2010-05-07_PERMIT FILE - C2009087 ‎(46)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 5/7/2010
• Doc Name: Post Mine Ditch and Culvert Designs pgs 312 to 441
• Section_Exhibit Name: Exhibit 2.05.3-E2 Appendix 2.05.3-E2.H-1
• Media Type: D
• Archive: No

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PIPE CULVERT ANALYSIS
COMPUTATION OF CULVERT PERFORMANCE CURVE
October 2, 1989
PROGRAM INPUT DATA:
DESCRIPTION VALUE
Culvert Diameter (fset) .....................^ 1.50
FRy6A Chart Number (1.2 or 3)...................^.,....^. 2
Scale Nuffrbey on Chart (Type of Culvert Entranoe)......,. 3
Manning's Roughness Coefficient (n-value)............... 0.0240
Entrance Loss Coefficient of Culvert Cpenin8....,....... 0.50
O
Culvert Length (feet).....,............................. 80.0
PROGRAM RESULTS:
Flow Teilwater Headwater (ft) Normal Critical Depth at Cutlet
Rate Depth Inlet Cutlet Depth Depth Outlet Velocity
Control (f�\ (
(ofs) (ft) (ft) (ft) (fps) � ` ' ^
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.
l2/09