- Construction cost
- 1,4 M$
- Duration
- 11 months
- Schedule
- May 2022 to March 2023
- Disciplines
- 7 trades
- Client
- City of St-Jean-sur-Richelieu
- Location
- 779 rang des Cinquante-Quatre
- Project type
- Haut-Richelieu composting plant
At a glance
Project description
The project mainly consists of the construction of facilities such as the composting plant, the administrative building with a maintenance garage, biofilters for odor management, storage domes on RCC slabs, an integrated water management system and other systems, as well as the commissioning of the composting plant under construction on Rang des Cinquante-Quatre in the borough of St-Jean-sur-Richelieu.
Scope of work
Work performed
- These works will be supplemented by the installation of related water management systems, as well as the installation of all other equipment related to fire protection
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Project challenges
- As the site is not served by a water network, a tube well was drilled and a service water supply system had to be installed
Services provided
- Construction
- Put into operation
Disciplines
Group division
Delivered with CWA Process Engineering
On this project CWA Process Engineering — a Groupe ALLEN division — worked as subcontractor for the supply and installation of the process mechanical equipment, the service water distribution system and the biofilter odour treatment. The group therefore covers the building, the civil works and the full process scope under one management.
- Process mechanics
- Odor treatment
- Biofilters
- Service water
- Instrumentation and control

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