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Construction Notice - Thornbury Wastewater Treatment Plant Expansion Phase 1A

Press Release - July 5, 2023
Town Hall Update generic

On behalf of the Town of The Blue Mountains, ARCADIS / IBI Group has completed the design and engineering for the Thornbury Wastewater Treatment Plant Expansion project. The project has been tendered and the contract has been awarded to North America Construction (1993) Ltd. Mobilization for construction is anticipated to begin in July of 2023. Construction activity will be occurring onsite at 1 Grey Street South in Thornbury.

Contract: 2022-41-T-OPS
Start Date: May 2023
End Date: 2025 

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Project Main Scope

  • Construction of new Return Activated Sludge / Waste Activated Sludge Building
  • Construction of one new extended aeration tank, including aeration system, required accessories and alum addition
  • Construction of one new clarifier and associated mechanical system
  • Extension of existing ultraviolet disinfection building, including the installation of ultraviolet disinfection equipment to meet 5,330 cubic metres per day
  • Construction of new extended access road
  • Replacement of existing air blowers, including required valves, controls, instrumentation and distribution piping
  • Installation of additional mechanical screen and associated hardware
  • General site work upgrades

What To Expect

The work will take place on the Town’s property. Impacts to nearby residents are expected to be minimal, however you may experience additional noise related to construction activity. Should you have any concerns during construction, please contact the Site Inspector.

Work Hours

Work will generally take place Monday to Friday from 7:00 a.m. to 7:00 p.m.

Learn more about the project and sign up for construction updates on the project web page.

For more information, please contact:

Town of The Blue Mountains
Operations Department