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— 0 62 ��1�5�2 64.4(1.24) = 9.79 CFS <br /> Qb��pass — � • ) 4 � <br /> Q,,,,, = 15.30 CFS > 12.32 CFS <br /> The oiVwater separator and bypass pipe have capacity to pass the 25-year developed flow <br /> without flushing the oil/water separator. <br /> Ve4etated Swale <br /> An emergent swale has been designed to treat the discharge from the wet pond. The <br /> swale is 170 feei long, 3 feet wide, at a slope of 0.7 percent, with 3:1 side slopes. A <br /> Manning's roughness factor of 0.20 was used in the swale calculations. Be rearrangin� <br /> Manning's equation, the following results were determined during the 2-year, 24-hour wet <br /> pond/detention pond outflow (0.08 CFS): <br /> Depth in the swale= 0.15 feet < G-inches maaimum for emergent s�vale <br /> Velocity in swnle= O.1G fdsec < 0.9 ft/sec m:�aimum <br /> 1751f I min <br /> Residence time = p�� n, x 60 sec — 18•2 p11O°�es > 5 minutes minimum <br /> STOR�t UILIINAGE REPORT FOR INTRA�YEST-SEA\VAY - YAGE 'I <br />