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PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORM <br />CURVE <br />June 13, 1995 <br />YOAST MINE <br />CULVERT YA-2 (REVISED) <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet) ................................. <br />FHWA Chart Number (1,2 or 3) ............................ <br />Scale Number oa Chart (Type of Culvert Entrance)........ <br />Meaning`s Rougbness Coefficient (a-value) ............... <br />Entrance Loss Coeff iciest of Culvert Opening............ <br />Culvert Length (feet) ................................... <br />Culvert Slope (feet per foot) ........................... <br />VALUE <br />3.00 <br />2 <br />3 <br />0.0240 <br />0.80 <br />260.0 <br />0.0500 <br />PROGRAM RESULTS: <br />Flow Teilwater 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 />18.8 1.00 2.12 -9.91 0.95 1.39 0.98 9.32 <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986 <br />Dodson S Associates, Inc., 5629 FM 1960 W., #314, Houston, TS 77069 <br />(713) 440-3787. All Rights Reserved. <br />• i <br />• <br />u <br />