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TABLE 13-9-1 <br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />July 30, 1990 <br />h <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />Culvert Diameter (feet) ................................. 2.00 <br />FH~AA 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) ........................... 0.0500 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal <br />Rate Depth Inlet Outlet Depth <br />(cfs) (ft) Control Control (ft) <br />5.0 1,00 1.16 -1.95 0.58 <br />7.0 1.00 1.43 -1.22 0.69 <br />10.0 1.50 1.82 -0.80 0.83 <br />12.0 1.50 2.07 -0.97 0.93 <br />15.0 2.00 2.45 0.43 1.06 <br />17.0 2.00 2.78 0.83 1.13 <br />20.0 2.00 3.32 1.53 1.27 <br />25.0 2.00 9.58 2.96 1.75 <br />Critical Depth at Outlet <br />Depth Outlet Velocity <br />(ft) (ft) (fps) <br />0.79 0.58 6.64 <br />0.94 0.69 7,31 <br />1.13 0.83 8.09 <br />1.24 0.93 8.41 <br />1.40 1.06 8.92 <br />1.49 1.13 9.26 <br />1.61 1.27 9.52 <br />1.76 1.75 8.58 <br /> <br />a <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 />13-9-3 <br />