Project Description

Lift Station No. 10

Abandonment of an existing lift station and installation of new 18″ DI sewer line inside of a 54″ concrete casing in excess of 36′ deep to connect to the Metro Sewer at the shoreline of Lake Washington. Work included extensive dewatering, deep shaft construction, winter creek bypass, sewer bypass pumping, pipe jacking, microtunneling and deep open-cut sewer installation.

Owner: Northshore Utility District
Engineer: Gray & Osborne