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• <br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />October 30, 1990 <br />PROGRAM, INPUT DATA: RRC-BS <br />DESCRIPTION VALUE <br />-------------------------------------------------------------------- <br />Culvert Diameter (feet) ................................. 9.00 <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) ............... 0.0290 <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length (feet) ................................... 160.0 <br />Culvert Slope (feet per foot) ........................... 0.0500 <br />-------- <br />-------- <br />PROGRAM ----------- <br />----------- <br />RESULTS: ---------------- <br />---------------- ------- <br />------- -------- <br />--------- ------------------ <br />----------------- <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Outlet Velocity <br />---(cfs) <br />---- - (ft) <br />---- Control Control <br />---- ----- --(ft)- <br />---- ----(ft) <br />---- -----(ft)----(fp0 <br />---- <br />65.9 3.00 9.06 -2.99 1.71 2.95 1.71 12. <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.5 Copyright (c)1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />0