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Open Channel Calculation - "V" Design <br /> �z�7ticx�*�eh:kEicse�e7'e�e�e�e*� k�e*fr7Fir:eie�eE�r�eE7kk:k�e�e�eF�e* E�e�e* E�c��c�c�rF7c*�r*:E�c:k�e:rie:E:k�c� <br /> Project: FOOTHILL SANITARY LANDFILL <br /> DESCRIPTION: PRELIMINARY CLOSURE DRAINAGE CALCULATIONS <br /> CALCS . ARE BASED ON MANNINGS FORMULA <br /> Notes : CAPACITY OF A "V" DITCH 3/4 ' DEEP, 50' TOP <br /> n VALUE: 0 . 030 <br /> s (SLOPE) : 0. 0250 <br /> s/s (RATIO TO 1) : 33 . 33 <br /> DEPTH: 0. 75 Ft. <br /> BOTTOM WIDTH: 0. 00 Ft. <br /> Top Width: 50. 00 Ft. <br /> -------------------------------------------------------------------- <br /> Area: 18 . 75 Sq. Ft. <br /> Wetted Perimeter: 50 . 02 Ft. <br /> Hydraulic Radius : 0 . 3748 <br /> R^ (2/3) : 0 . 5199 <br /> Velocity: 4 . 0714 fps <br /> Flow Quantity: 76 . 3311 cfs <br /> Design for North Ditch, Top of Landfill (Area K) <br />