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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVS <br />June 13, 1995 <br />YOAST MINE <br />CULVERT YA-5 (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 Roughness Coefficient (a-value) ............... <br />Entrance Losa Coefficient of Culvert Opening............ <br />Culvert Length (feet) ................................... <br />Culvert Slope (feet per foot) ........................... <br />VALVE <br />3.00 <br />2 <br />3 <br />0.0240 <br />0.80 <br />180.0 <br />0.0500 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwater (ft) Normal Critical Depth at Outlet <br />Rata Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />27.9 1.00 2.75 -5.15 1.21 1.71 1.21 10.39 <br />PIPS CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986 <br />Dodson 8 Associates, Inc., 5629 FM 1960 W., #316, Houston, TE 77069 <br />(713) 440-3787. All Rights Recerved. <br /> <br />• <br />