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<br />PIPE CULVERT ANALYSIS <br />COMPUTATION CAF CULVERT PERFCf2MANCE CURVE <br />October 2, 1989 <br />PROCf2AM INPUT DATA: <br />DESCRIPTION <br />Culvert Diameter (feet).. <br />FHWA Chart Numoer (i,2 or 3) ............................ <br />Scale Number on Chart (Type of Culvert Entrance)........ <br />Manning`s Roughness Coefficient (n-value) ............... <br />Entrance Loss Coefficient of Culvert Opening............ <br />Culvert Length (feet) ................................... <br />Culvert Slope (feet per fcot) ........................... <br />VALUE <br />2.50 <br />2 <br />3 <br />0.0240 <br />0.50 <br />48.C <br />0.0670 <br />PRC(~2AM RESULTS: <br />Flew -ailwater Headwater (ft) Normal Critical Cepth at Cutlet <br />Rate Gep~h Inlet Outlet Depth Gepth C.'utlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />20.ii 2.00 2.57 -0.35 1.04 1.55 1.04 ;O.c0 • <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />PIPE CULVERT ANALYSIS CCi~UTER PROGRAM Version 1.5 Copyright (c)1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />J <br />12-2-177 <br />