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Expansion and upgrading of the Vaudreuil-Dorion wastewater treatment plant

Client Information

  • Name: Ville de Vaudreuil-Dorion

Project Information

  • Location: Vaudreuil-Dorion, QC
  • Delivery Method: General Contractor
  • Sector: Civil
  • Sub Sector: Waste Water
  • Status: Completed
  • Completion Date: January 2016
  • Value: $26, 300, 000

Overview

The aim of the project was to upgrade the existing wastewater treatment plant, increase the wastewater treatment capacity to 36,550 m3 / d (max) and increase the hydraulic capacity of the treatment process to 49,050 m3 / d (storm flow). Basically, the works included: • Construction of the new sludge pre-treatment buildings and the MBBR reactor; • Construction of a new main water pumping station with a capacity of 50,000 m3 / d; • Supply and installation of sludge treatment equipment (equalization basin, thickeners, dewatering system, sludge pumping system); • Modification of the pumping station; • Modification of the lift station for the plant effluent; • Supply and installation of an odor treatment system; • Construction of a garage. The whole treatment system is controlled according to the amount of sludge entering it. Everything is adjustable, both for the dosage of the polymer and for the passage time in the centrifuges. Thus, the whole ventilation system is controlled (opening and closing of the shutters, heating, air conditioning, etc.) as well as the biofiltration ventilation system. One of our responsibilities was to coordinate all stakeholders to ensure that the entire system was functional: buildings, processes, and treatment interfaces. The start-up of the plant was an integral part of our mandate.

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