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Open Channel Calculation - Trapaaoidal Raaign <br /> ��soo:o��••�s�:•so:�r�,a::o:�:ss::::�;ss:s��::�*s*:::::::sem*::::**::* <br /> Project: HARNEY LANE LANDFILL <br /> DESCRIPTION: CLOSURE DRAINAGE CALCULATIONS <br /> CALLS. ARE BASED ON MANNINGS FORMULA <br /> Notes: FIND CAPACITY OF A V-DITCH 1.0' DEEP <br /> n VALUE: 0.030 <br /> s (SLOPE) : 0.0020 <br /> a/c (RATIO TO 1 ) : 5.00 <br /> DEPTH: 1.00 Ft. <br /> BOTTOM WIDTH: 0.00 Ft. <br /> Top Width: 10.00 Ft. <br /> ---------------------®----------------------------- <br /> Area: 5.00 Sq. Ft. <br /> Wetted Perimeter: 10.20 Ft. <br /> Hydraulic Radius: 0.4903 <br /> R' (2/3) : 0.6218 <br /> Velocity: 1.3773 fps <br /> Flow Quantity: 6.8866 cfs <br /> 2-7 <br />