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• <br />PIPE CULVERT ANALYSIS <br />OCMPUTATION OF CULVERT PERFORh1ANCE CURVE <br />.October 2, 1989 <br />PRO(;F2AM INPUT DATA: <br />DESCRIPTION VALUE <br />Culvert Diameter (feet)... ........................... 1.50 <br />FHWA Chart NumSer (1,2 or 3).. .. ... ... .. 2 <br />Scale Ni.arber on Chart (Type of~Culvert Entrance)........ 3 <br />Manning's Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length (feet) ... ... ............................ 50.0 <br />Culvert Slope (feet per foot) ...................... .. 0.0640 <br />• <br />PROGRAM RESULTS: <br />Flow Tailwater <br />Rate Depth <br />(cfs) (ft) <br />1.4 1.00 <br />Headwater (ft) Normal Critical Depth at Outlet <br />Inlet Outlet Depth Depth Outlet VeiocitY <br />Control Control (ft) (ft) (ft) (fps) <br />0.63 -2,16. 0.32 0.44 0.32 5.17 <br />PIPE CULVERT ANALYSIS CCM'UTER PRC1C~''iAM 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 />• <br /> <br />