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Ogen Channel Calculation - Trapezoidal Design <br /> :::s:*:::r::::::rsrrrrrrrsrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr <br /> Project: HARNEY LANE LANDFILL <br /> DESCRIPTION: CLOSURE DRAINAGE CALCULATIONS <br /> CALLS. ARE BASED ON MANNINGS FORMULA <br /> Notes: CAPACITY OF V-DITCH 2.5 ' DEEP & 10' TOP <br /> n VALUE: 0.030 <br /> s (SLOPE) : 0.0010 <br /> s/s (RATIO TO 1 ) : 2.00 <br /> DEPTH: 2.50 Ft. <br /> BOTTOM WIDTHS 0.00 Ft. <br /> Top Width: 10.00 Ft. <br /> ------ <br /> Area: 12.50 Sq. Ft. <br /> Wetted Perimeter: 11.18 Ft. <br /> Hydraulic Radius: 1.1180 <br /> R" (2/3) : 1.0772 <br /> Velocity: 1.6873 fps <br /> Flow Quantity: 21.0917 cfs <br /> I <br /> 3 <br />