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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />July 19, 1993 <br />CULVERT LFC-4 <br />HGLF INC. <br />HAYDEN, CO <br /> <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet) .. ........................... <br />FHWA Chart Number (1,2 or 3). ...... ... ....... <br />.. .. ... <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 />PROGRAM RESULTS: <br />Flow Tailwater <br />Rate Depth <br />(cfs) (ft) <br />Headwater (ft) Normal <br />Inlet Outlet Depth <br />Control Control (ft) <br />0.8 0.50 0.32 1.02 0.27 <br />VALUE <br />3.00 <br />2 <br />3 <br />0.0240 <br />0.50 <br />30.0 <br />0.0200 <br />Critical Depth at Out~•-Vc <br />Depth Outlet Velocity <br />(ft) (ft) (fps) <br />0.23 0.50 1.07 <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, ,#107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />`~ <br />12.4-20 <br /> <br />