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fo <br /> Open Channel Calculation - "V" Design <br /> *#:F:k* E*:E****�ie�*ick�e�r:k:E�e�s*���. h.�r�e:Eire:k:k*�efe�c**�� ttiek*:h ie de�rie�c�r7Eieieie�c�r��*ieie� <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, 30 ' TOP <br /> n VALUE: 0 . 030 <br /> s (SLOPE) : 0. 0550 <br /> s/s (RATIO TO 1) : 20 . 00 <br /> DEPTH: 0 .75 Ft. <br /> BOTTOM WIDTH: 0. 00 Ft. <br /> Top Width: 30. 00 Ft. <br /> -------------------------------------------------------------------- <br /> Area: 11. 25 Sq. Ft. <br /> Wetted Perimeter: 30. 04 Ft. <br /> Hydraulic Radius: 0. 3745 <br /> R^ (2/3) : 0.5196 <br /> Velocity: 6. 0357 fps <br /> Flow Quantity: 67 .9011 cfs <br /> Design for West Ditch, Top of Landfill (Area J) <br />