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TAHRC -6A <br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />July 3, 1990 <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />VALUI <br />-------------------------------------------------------------------- <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) ............... 0.024( <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length ( feet) .... ............................... 80.0 <br />Culvert Slope (feet per foot ) ........................... 0.020( <br />PROGRAM <br />RESULTS: <br />Flow <br />Tailwater <br />Headwater (ft) <br />Normal <br />Critical <br />Depth at <br />Outlet <br />Rate <br />Depth <br />Inlet Outlet <br />Depth <br />Depth <br />Outlet <br />VelocitN <br />(cfs) <br />-------------------------------------------------------------------- <br />(ft) <br />Control Control <br />(ft) <br />(ft) <br />(ft) <br />(fps; <br />6.9 <br />1.00 <br />1.26 0.21 <br />0.80 <br />0.87 <br />0.80 <br />5.1: <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)198( <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 7709: <br />(713) 895 -8322. All Rights Reserved. <br />