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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />Sune 13, 1995 <br />YOAST MINE <br />CULVERT YA-1 (REVISED) <br />---------- --------------- ---- <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />Culvert Diameter (feet) ................................. 3.00 <br />FHWA Chart Number (1,2 or 3) ............................ 2 <br />Scale Number on Chart (Type of Culvert Entrance)........ 3 <br />Manniag`s Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Lose Coefficient of Culvert Opening............ 0.80 <br />Culvert Length (feet) ................................... 130.0 <br />Culvert Slope (feet per foot) ........................... 0.0500 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />18.1 1.00 2.07 -3.81 0.97 1.36 0.97 9.21 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986 <br />Dodson & Associates, Inc., 5629 FM 1960 W., #314, Houston, T% 77069 <br />(713) 440-3787. All Rights Reserved. <br />u <br />