Cornwall Wastewater Treatment Plant Upgrades

Location: Cornwall, ON

This project included upgrades to the existing wastewater treatment plant, along with three new buildings: a new sludge thickening building, new screening facility and the newly designed BAF building which was the second BAF facility to be built in Ontario.

Major components of the project consisted of general site works, screening and degritting upgrades, chemical system improvements and primary clarifier upgrades. A new ultraviolet disinfection system was added, as well as a new standby power system. Upgrades to the solids train, electrical system and pumping station, as well as improvements to the existing digester and dewatering facility and automation of the entire facility were also carried out.

Contract Value

$49.2M CAD

Prime Consultant

J.L Richards & Associates Ltd

Project Owner

City of Cornwall

Contract Format

Stipulated Price

Completion Date

May 2015

Contract Duration

36 months