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<br />TRAPEZOIDAL CHANNEL ANALYSIS <br />RATING CURVE OOPIPUTATION <br />April 8, 1991 <br />SENECA II-W MINE <br />POND W6 PHASE-II <br />SPILLWAY CHANNEL <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />Channel Bottom Slope (feet per foot) .................... 0.1500 • <br />Manning` s Roughness Coefficient (n-value) ............... 0.0100 <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 RESUL75: <br />Depth Flow Raise Velocity Froude Velocity Energy Flow Area Top Width <br />(ft) (cfs) (fps) Number Head(ft) Head(ft) (sq ft) (ft) <br />0.1 4.7 3.06 1.720 0.145 0.245 1.5 15.6 <br />0.3 29.5 6.19 2.048 0.595 0.895 4.8 16.8 <br />0.5 70.1 8.50 2.213 1.122 1.622 8.2 18.0 <br />0.8 140.4 10.85 2.348 1.830 2.580 12.9 19.5 <br />1.0 231.3 12.85 2.446 2.564 3.564 18.0 21.0 <br />1.3 342.4 14.61 2.523 3.314 4.564 23.•I 22.5 <br />1.5 473.8 16.20 2.586 4.074 5.574 29.2 'L4.0 <br />1.8 625.7 17.66 '1.639 4.841 6.591 35.4 25.5 <br />2.0 798.5 19.01 2.686 5.613 7.613 42.0 Z7.0 <br />2.5 1208.9 21.49 2.766 7.173 9.673 56.3 30.0 • <br />3.U 1709.2 23.74 2.832 8.751 11.751 72.0 33.0 <br />TRAPEZOIDAL CIiANNEi, ANALYSIS COtiPUTE}2 PROGRAM, Version 1 .3 ( c ) 1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, TX 77092 <br />(^•131 R9F-R:+22. A mnn•~al with Prnmt.~or9 R flow rhart is ~vailahlP <br />