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Open Channel Calculation - Trapemoidal Daaign <br /> mmmmmmmmmmmmmmmmmmmmmmmmmmmmt,�a::ss�s:spm:::*:sr:::::::::,e*:::*:::::: <br /> Project: HARNEY LANE LANDFILL <br /> DESCRIPTION: CLOSURE DRAINAGE CALCULATIONS <br /> CALLS. ARE BASED ON MANNINGS FORMULA <br /> Notes: CAPACITY OF V-DITCH 31 DEEP & 12 ' TOP <br /> n VALUE: 0.030 <br /> s (SLOPE) : 0.0010 <br /> a/c (RATIO TO 1 ) : 2.00 <br /> DEPTH: 3.00 Ft. <br /> BOTTOM WIDTH: 0.00 Ft. <br /> Top Width: 12.00 Ft. <br /> Area: 18.00 Sq. Ft. <br /> Wetted Perimeter: 13.42 Ft. <br /> Hydraulic Radius: 1.3416 <br /> R" (2/3) : 1.2164 <br /> Velocity: 1.9064 fps <br /> Flow Quantity: 34.2977 cfs <br /> 35 <br />