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<br />PIPE CULVERT ANALYSIS <br />O~UTATION OF CULVERT PERFORMANCE CURVE <br />October 2, 1989 <br />PROGRAM INPUT DATA: <br />DES~2IPTION <br />VALUE <br />Culvert Diameter (feet) .................~............... 2.50 <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)..• ................................ 120.0 <br />Culvert Slope (feet-per foot)••••••••••••••••••••.•••••• 0.0902 <br />PROC~2AM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Qitlet Velocity <br />• (cfs) (ft) Control Control (ft) (ft) (i't) -(fps) <br />6.9 1.00 1.25 -8.98 0.54 0.87 0.54 8.77 <br />PIPE CULVERT ANALYSIS CONFUTER PRO(~ZAM Version 1.5 Copyright (c)1986 <br />Dodson & Associates, inc., 7076 W. Tidwell, it 107, Houston, TX 77092 <br />(7t3) 895-8322. A71 Rights Reserved. <br />• <br />~- -z- 3oq <br />