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<br />PIPB CULVERT ANALYSIS <br />COMPUTATION OP CULVERT PERFORNANCE CURVE <br />June 13, 1995 <br />YOAST MINE <br />CULVERT YA-6 (REVISED) <br />TWO - 5' CULVERTS NEEDED (10Y-24H) <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet) ................................. <br />FHWA Chart Number (1,2 or 3) ............................ <br />Scale Number on Chart (Type of Culvert Entrance)........ <br />Meaning`s Roughness Coefficient (n-value) ............... <br />Entrance Loss Coefficient of Culvert Opening............ <br />Culvert Length (feet) ................................... <br />Culvert Slope (feet per foot) ........................... <br />VALUE <br />5.00 <br />2 <br />3 <br />0.0240 <br />0.80 <br />220.0 <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 />77.0 3.00 3.84 -6.18 1.68 2.48 1.68 13.26 <br />PIPE CULVERT ANALYSIS COMPUTER PROGRAM Version 1.7 Copyright (c)1986 <br />Dodson ~ A660CLate6, Inc., 5629 F'N 1960 W., #316, Houston, TY 77069 <br />(713) 440-3787. All Rights Reserved. ' <br />• <br />