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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <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 Rer foot) ........................... <br />VALUE <br />1.50 <br />2 <br />3 <br />0.0240 <br />0.50 <br />80.0 <br />0.0500 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />0.9 0.50 0.49 -3.05 0.27 0.35 0.27 4.16 • <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS CLX~UTER PROGRAM Version 1.5 Copyright (c)1986 <br />Dodson 8 Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />l J <br />12-2-82 <br />