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I5.0 ANALYSIS AND DESIGN OF REQUIRED RUNOFF CONTROL BMPS <br /> I Flow control and water quality is no[required for this project. Existing conditions and proposed <br /> improvements information was provided to the Ciry of Everett (Souheil Nasr)for capacity review <br /> on Thursday, Octuber 4, 2008. Due to minimal change from e..sting rnnC rons to proposed <br /> � conditions, flow rnnhol is not required. (See November 10, 2006, email below). <br /> 5.1 Treatment Control System <br /> I Water quality treatrnent is not required. Treatment from proposed pollution-generating <br /> impervious and pervious surtaces wili occur at the sewage treatment plant. <br /> I5.2 Flow Controi System <br /> This project is exempt from 8ow control. <br /> IEmail from Citv of Everett: <br /> From: DoveVoigt(moiltn:DVoig[@ci.everett.wa.usJ <br /> I Sent: Monday,November10,10083:07PM <br /> To: Melvin Carden;Souheil Nosr <br /> C[; lane Zimmerman <br /> ISubjecr Evtt CC Topper Lo[&Gym sites <br /> Melvin, <br /> I Based on the inJarmation you provided and our brie/discussion today, the proposed <br /> improvements are not much di/Jerent than Ihe existing/original development in terms oJ <br /> impervious surJace and;tormwater runofJ We understand thot stormwater will be <br /> I routed to the some offsire conveyonce pipe system as the existing/original development <br /> Aid. I am not aware that the exis[ing/original development had ony stormwater <br /> defention or retention Jpcilities. <br /> I Dave <br /> David Voigt, P.E. <br /> I Senior Engineer, Project Monoger <br /> City of Everett, Pub�it Works <br /> Phone 425-257-8983 <br /> I Fax:425-257-8881 <br /> Email:dvoiqt@ci.everett.wa.us <br /> � <br /> i <br /> I <br /> I <br /> I Stormwater Site P�an O� . O <br /> Evemtt Community Collegc <br /> Fitness Center 5 <br /> I 208221.10 <br /> I6 <br />