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PIPE CULVERT ANALYSIS <br />OChiPUTATIGN OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <br />PROC;}2AM 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 />VALUE <br />1.50 <br />2 <br />3 <br />0.0240 <br />0.50 <br />20.0 <br />0.0100 <br />PROC~2AM 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 />i <br />0.5 0.50 0.36 0.68 0.30 0.26 0.50 0.97 • <br />PIPE CULVERT ANALYSIS CChPUTER PROC~2AM 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 />• <br />12-2-137 <br />