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PIPE CULVERT ANALYSIS <br />COMPUTATION OF CULVERT PERFORMANCE CURVE <br />October 30, 1990 <br />--------------------------------------------------------------------- <br />PROGRAM INPUT DATA: HRC-A6 <br />DESCRIPTION VALUE <br />--------------------------------------------------------------------- <br />Culvert Diameter (feet) ................................. 3.00 <br />FHWA Chart Number (1,2 or 3) ............................ 2 <br />Scale Number on Chart (Type of Culvert Entrance)........ 3 <br />Mannina`s Roughness Coefficient (n-value) ............... 0.0240 <br />Entrance Loss Coefficient of Culvert Opening............ 0.50 <br />Culvert Length (feet) ................................... 160.0 <br />Culvert Slope (feet per foot) ........................... 0.1200 <br />PROGRAM RESULTS: <br />Flow Tailwater Headwat er (ft) N ormal Critical Depth at Outlet <br />Rate Depth Inlet Outlet Depth Depth Outlet Velocity <br />(cfs) (ft) Control Control (ft) (ft) (ft) (fps) <br />------------------- <br />27.0 2.00 -------- <br />2.67 --------- <br />-15.63 -------- <br />0.95 ------ <br />1.68 ---------- <br />0.95 -------- <br />19~ <br />------------------- <br />------------------- <br />PIPE CULVERT ANALYS -------- <br />-------- <br />IS COMPU ----------------------- <br />----------------------- <br />TER PROGRAM Version 1.5 ---------- <br />---------- <br />Copyright -------- <br />-------- <br />(c)1986 <br />Dodson & Associate s, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. All Rights Reserved. <br />• <br />