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<br /> <br />TRAPEZOIDAL CHANNEL ANALYSIS <br />CRITICAL DEPTH COMPUTATION <br />April 8, 1991 <br />SENECA II-W MINE <br />POND 006 PHASE-II <br />SPILLWAY CHANNEL <br />PROGRAM INPUT DATA: <br />DESCRIPTION <br />VALUE <br />• Flow Rate (cubic feet per secondl .........:::::::::::::: 187.5 <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 />DESCRIPTION <br />Critical Depth (feet) ................................... <br />Critical Slope (feet per foot) .......................... <br />Flow Velocity (feet per second) ......................... <br />Froude Number ............................................ <br />Velocity Head (feetl .................................... <br />Energy Head (feet) ...................................... <br />Cross-Sectional Area of Flow (square feetl .............. <br />Top Width of Flow (feet) ................................ <br />VALUE <br />1.52 <br />0.0224 <br />6.30 <br />1.000 <br />0.62 <br />2.14 <br />29.75 <br />'14.13 <br />• TRAPEZOIDAL CHANNEL, ANALYSIS COMPUTII2 PROGRAM, Version 1.3 (c) 1986 <br />Dodson & Associates, Inc., 7015 W. Tidwell, #F107, Houston, '[:~ 77U9'L <br />(713) 895-832'l. A manual with equations & flow chart is available. <br />