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lJ <br />PIPE CULVERT ANALYSIS <br />CGMPUTATI~J OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <br /> <br />C <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 />VALUE <br />2.50 <br />2 ' <br />3 <br />0.0240 <br />0.50 <br />30.0 <br />0.0230 <br />PROC~,4M RESULTS: <br />Flow.'failwater 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 />._~_~~ __ <br />5:4 1.00 i.09 0.99 0.68 0:77 0:68. 5.03 <br />PIPE. CULVERT ANALYSI$ COMPUTER'PROGRAM Vensioh 1.5 Copyright (c)1986 <br />Dodsop & Assoctiai;es, Inc:, 701b W: Tidwell, #107, Houstoh, TX 77092 <br />(713) 895-8322. A71 Rights Reserved. <br />7-12- 3S9 <br />