Laserfiche WebLink
PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />July 19, 1993 <br />CULVERT LFC-12 <br />HGLF INC. <br />HAYDEN, CO <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) .. ............................... 90.0 <br />Culvert Slope (feet per.foot) ........................... 0.0200 <br /> <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Out~~c <br />Rate Depth Inlet Outlet Depth Depth outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />4.5 0.50 1.09 -0.26 0.69 0.74 0.69 4.63 <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 />12.4-42 <br /> <br />