- Construction cost
- 19,8 M$
- Duration
- Schedule
- 2021 to 2024
- Disciplines
- 2 trades
- Client
- CRT Construction
- Location
- Boulevard La Pinière, Terrebonne (QC) G6V 7M5
- Project type
- New activated sludge wastewater treatment plant
At a glance
Project description
The project consisted of the construction of the new wastewater treatment plant for the city of Terrebonne. The plant consisted of:
Scope of work
Work performed
- Construction of three (3) aeration basins
- Pretreatment: 2 fine screens and 1 sand trap for a peak flow rate of 2,200 l/s (each)
- Aeration: 4 x 200hp turbo superchargers (each), 3 aeration basins c/o fine bubble diffusers and agitators
- Decantation: 3 secondary decanters, 141 ft diameter (each)
- Thickening: 2 rotating drums capable of processing 1,000 kg/h of dry material
- Dehydration: 2 centrifuges capable of processing 1,000 kg/h of dry matter
- Disinfection: 2 UV ramps, peak flow 2025: 88,600 m3/d (each)
- Odor treatment: odor treatment system of the packed scrubber and biofilter type, flow rate of 49,900 m3/h
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Project challenges
- Oversized project: plant capacity: 66,000 m3/d
- Commissioning of a complete wastewater treatment system
- Tight implementation schedule
- Integration plans on Revit model and interdisciplinary BIM coordination
- Major formwork work partly in winter, +- 9,000 m3 of concrete
Services provided
- Project management
- Construction management
- Subcontractor management
- Commissioning
Disciplines
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