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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />June 13, 1995 <br />YOAST MINE <br />CULVERT YA-6 (REVISED) <br />TWO - 5' CULVERTS NEEDED (25Y-24H) <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />Culvert Diameter (feet) ................................. 5.00 <br />FHWA Chart Number (1,2 or 3) ............................ 2 <br />Scale Number oa Chart (Type of Culvert Entrance)........ 3 <br />Meaning`s Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Loes Coefficient of Culvert Opeaiag............ 0.80 <br />Culvert Length (feet) ................................... 220.0 <br />Culvert Slope (feet per foot) ........................... 0.0500 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwat er (ft) Normal Critical Depth at Outlet <br />Rata Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control <br />--------------------------- Control <br />--------- (ft) <br />-------- (ft) <br />------- (ft) <br />--------- (fps) <br />-------- <br />194.1 3.00 8.10 0.37 2.83 3.98 2.83 16.90 <br />--------------------------------------------------- <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 ----------------- <br />Copyright (c)1986 <br />Dodson 6 Associates, Inc., 5629 F16 1960 W., #314, Houston, T% 77069 <br />(713) 440-3787. All Rights Reserved. <br />C~ <br />C~ <br />