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C~ <br />TRAPEZOIDAL CHANNEL ANALYSIS <br />RATING CURVE COMPUTATION <br />January 27, 1992 <br />SENECA 2W POND 009 SPILLWAY <br />25 YR. - 24 HR. STORM <br />Revised 1-30-92 <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />VALUE <br />Channel Bottom Slope (feet per foot) .................... 0.0900 <br />Manning `s Roughness Coefficient (n-value) ............... 0.1100 <br />Channel Side Slope - Left Side (horizontal/vertical).... 3.00 <br />Channel Side Slope - Right Side (horizontal/vertical)... 3.00 <br />Channel Bottom Width (feet) .... ......................... 15.0 <br />PROGRAM RESULTS: <br />Depth Flow Rate Velocity Froude Velocity Energy Flow Area Top W <br /> <br />(ft) <br />------ <br />(cfs) <br />---------- <br />(fps) <br />--------- <br />Number <br />------ <br />Head(ft) <br />--------- <br />Head(ft) <br />--------- <br />(sq ft) <br />--------- ~ <br /> <br />---------- <br />0.7 33.4 2.88 0.652 0.129 0.809 11.6 19.1 <br />1.0 65.2 3.62 0.689 0.203 1.203 18.0 21.0 <br />1.5 133.5 4.56 0.728 0.323 1.823 29.2 24.0 <br />2.0 224.9 5.36 0.757 0.445 2.445 42.0 27.0 <br />2.5 340.5 6.05 0.779 0.569 3.069 56.3 30.0 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />TRAPEZOIDAL CHANNEL ANALYSIS COMPUTER PROGRAM, Version 1.3 (c) 1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(713) 895-8322. A manual with equations & flow chart is available. <br />• <br />Revised 01/30/92 <br />