Highly technical & close-quarters project in
accordance with Department of Ecology’s
requirements throughout construction.
Detailed coordination and daily
communication with the City of Marysville and
Tetra Tech/KCM.
The project began with the installation of 175
concrete piles each 145 feet long.
Addition of 10 high-speed surface aerators
and 8 surface aspirating aerators.
Modification and expansion of continuous
backwash up flow effluent sand filters.
Installation of a low-pressure, high intensity
UV disinfection system in a renovated Chlorine
Contact and of a supplemental hypochlorite
disinfection storage and delivery system.
Demolition of the existing gaseous chlorine
disinfection system.
Modification and renovation of the existing
plant control laboratory building.
Construction of a new plant maintenance
building.
Replacement of portions of plant yard
piping and associated site civil, electrical,
instrumentation and control facilities.