6700 HARDESON RD BASE FILE 2018-01-01 MF Import

DRAINAGE CONCEPT The projax site is upstrc,am of a Regional Detention Facility, which was conshuaed by the Ciry of Everett to serve antiapnted development in the area. The Regionel Detention Facility is located fu: tner to the north, in the southwest corner of iiardeson Road end Mecrill Creek Parkway. Additionaily, adjacent to the nocth side of the �ite is the eadsting stormwater facility constructed to serve the overoll SeawaY prolect, including this site. This adjacent facility provides water qualiry treatmrnt for the Seaway Lots 1-4 and some detention volume. The projoct will discharge its collected stortnwater to this adjacent facility, which then drains to the Regional Detention Facility. The adjacent stormwater facility is a wet pondldetention pond and it was designed ta the City of EveretYs standards for a two celled wet pond. It received approval on Septemba 16, 1996 as a part of the Viking Freight (now existing facility to the nocth, Lot 3) plan submittal. Although the site is only required to provide water quality treaUnent, the S(arm Drainage Report Fnr Seaway Trnet 2, Lots !& 1- Page 2