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TAHRC -11 <br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />April 10, 19,130 <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet <br />FHWA Chart Number (1,2 or 3) ........................... <br />Scale Number on Chart (Type of Culvert Entrance) ........ <br />Manning`s Roughness Coefficient (n- value) ............... <br />Entrance Loss Coefficient of Culvert Opening............ <br />Culvert Length ( feet) .... ............................... <br />Culvert Slope (feet per foot ) ........................... <br />VAL <br />2.00 <br />2 <br />J <br />0.02 <br />0 0 <br />50.0 <br />0.03 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Cutl <br />Rate Depth Inlet Outlet Depth Depth Outlet Veloci <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fp <br />------------------------------------------------------------ - - - - -- <br />3.7 1.00 0.97 -0.09 0.56 0.67 0.56 5. <br />------------------------------------------------------------------ <br />------------------------------------------------------------------ <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)19 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 770 <br />(713) 895 -8322. All Rights Reserved. <br />