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<br />PIPE CULVERT ANALYSIS <br />CCMPUTATICN OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <br />PRO(~2AM INPUT DATA: <br />DESCRIPTIGN VALUE <br />Culvert Diameter (feet) .... ........................... 2.50 <br />FHWA Chart Number (1,2 or 3) ............................ 2 <br />Scale Number on Chart (Type of Culvert Entrance)........ 3 <br />Manning's Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length (feet) .. .... .......................... 40.0 <br />Culvert Slope (feet per foot) ........................... 0.0250 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Norm31 Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />----- - ------------ ------------------ <br />• 2.6 1.00 0.73 0.53 0.46 0.53 0.46 4.18 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS CONFUTER PROGRAM Version 1.5 Copyright (c)1986 <br />Dodson & Associates, Inc „ 7015 W, Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />• <br />12-2-117 <br />