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� � . <br /> Rtdgeline Apartments <br /> Drainaqe Calculations <br /> Preliminary storege requirflments for City of Everett worksheet = <br /> 3,975 cf <br /> F�•istinq release rete = .041 cfs • <br /> 5� + diameter pipes would be required to meet storage <br /> requirements, therefore H minimum for orifice release rete celc�s <br /> = 5� <br /> Using minimum die e er orifice = 1" (A = .00545 sf) and H = 5' <br /> Q = .00545 ( .51j ;Z,Z�5� <br /> _ .050 cfe <br /> From table 7 in worksAeet required storage at minimum release <br /> rete of .05 cPs = <br /> 1,370 ( .13) (Landscepinq) + 5,8A6 ( .6) (Impervious) = 3,710 cf <br /> Linear Feet of storaqe provide: <br /> 119� of 72„ Clip @ yg,3 CF/F = 3,368 <br /> 8� of 36^ CNP @ 7.07 CF/F = 56 <br /> 18� of 54^ 1�4{ @ 15.9 CF/F = 286 � I , <br /> 3,710 CF � 1 <br /> .�ly . <br />