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Featured Project

MARYSVILLE WASTEWATER TREATMENT PLANT UPGRADE & EXPANSION PHASE II

Location: Marysville, WA
Owner: City of Marysville, Kevin Nielson
Award Amount: $8,776,308.51 (with tax)
Superintendent: Kelly Brown

Engineer: Tetra Tech/KCM, Inc., Dennis Eckhardt
Project Dates: 10/1/2003
Project Manager: Todd Pike

Project Description:

  • 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.

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