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<br />PIPE CULVERT ANALYSIS <br />COhPUTATION OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <br />• <br />• <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet) ................................. <br />FHWA Chart Nurrber (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 toot) ........................... <br />VALUE <br />4.00 <br />2 <br />3 <br />0.0240 <br />0.50 <br />90.0 <br />0.0200 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PROC;RAM 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) (fpsj <br />65.3 3.C0 4.04 2.68 2.20 2.44 2.20 9.20 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS O~PUTER 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 />12-2-17 <br />