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<br />TRAPE7AIDAL CHANNEL .ANALYSIS <br />RATING CURVE COMPUTATION <br />April 8, 1991 <br />SENECA II-W MINE <br />POND 006 PHASE-II <br />SPILLWAY CHANNEL <br />PROGRAM INPUT DATA: <br />DESCRIPTION VALUE <br />-------- <br />Channel ------------ <br />Bottom Slope ----------- <br />(feet per --------------------------- <br />foot) .................... ---------- <br />0.1500 • <br />Manning` s Roughness Coefficient (n-value) ............... 0.0400 <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 Width <br />(ft) (cfs) (fps) Number Head(ft) Head(ft) (sq ft) (ftl <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 I9.5 <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 23.4 22.5 <br />1.5 473.8 16.20 2.586 4.074 5.574 29.2 24.0 <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 27.0 <br />2.5 1208.9 21.-19 2.766 7.173 9.673 56.3 30.0 • <br />3.0 1709.2 23.74 2.832 8.751 11.751 72.0 33.0 <br />-------------------------------------------------------------------- <br />-------------------------------------------------------------------- <br />TRAPEZOIDAL CHANNEL ANALYSIS C(k~iHfI'ER. PROGRAM, Version 1.3 Ic) 1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #107, Houston, 7.;Y 77092 <br />17131 895-Ra'1.2. A 1^~+nlwl with erlugt:ona & flow chart +~ HVRI Iat~IP. <br />