M Sewer System Replacement
Everett, WA
March 2015 - June 2016
Interwest Construction crews replaced over 265 existing side sewers, and over 16,000 LF of 8” to 36” storm drainage pipe. A 19’ x 11’ x 11’ deep below-grade storm drain control structure with weir and motor-actuated, 18” slide gate; a 20’ x 15’ x 8’ deep below-grade combined sewer overflow structure with baffle and 15’ length weir; and 2,000 LF of electrical duct bank; all within the city limit streets of Everett, WA.