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• <br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />March 8, 1993 <br />CULVERT LFC6 <br />HGLF <br />HAYDEN GULCH TERMINAL INC. <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />Culvert Diameter (feet) ................................. 2.00 <br />FHWA Chart Number (1,2 or 3) ............................ 2 <br />Scale Number on Chart (Type of Culvert Entrance)........ 3 <br />Manning`s Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length (feet) ................................... 60.0 <br />Culvert Slope (feet per foot) ........................... 0.0200 <br />PROGRAM RESULTS: <br />Flow Tailwater <br />Rate Depth <br />(cfs) (ft) <br />------------------ <br />Headwater (ft) <br />Inlet Outlet <br />Control Control <br />Normal Critical <br />Depth Depth <br />(ft) <br />------ (ft) <br />--------- <br />0.39 0.41 <br /> <br />Depth at: Out <br />Outlet. Velocity <br />(ft) (fps) <br />0.35 3.33 <br />1.4 0.50 0.57 0.02 <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyrigt.t (c)1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />• <br />