Annacis Island Wastewater Treatment Plant Expansion

Rank 2023

54

Image Credit: Metro Vancouver

Industry Sector: Water

Project Type: Water Wastewater

Project Value: $1.27 billion

Funding Source: Public

Province: British Columbia

City / Region: Delta

Estimated End Date of Substantial Completion: 2027

There are over 20 projects planned as part of the onsite improvements of the Annacis Island Wastewater Treatment Plant. Key improvement projects include new trickling filters, secondary clarifiers, and a co-generation facility to make better use of green energy captured on site. Detailed design of the remaining Phase 2 works is underway with construction anticipated to commence in 2025.

Project Owner: Metro Vancouver

Engineer: Brown and Caldwell, Stantec, EIC Solutions, Klohn Crippen Berger (stage 5 expansion); CDM Smith, McMillen Jacobs, Golder-a WSP company (outfall); Wood/Black & Veatch (cogeneration backup power); EXP (geotechnical engineering & monitoring/instrumentation)

Contractor: JJM Construction and Geopac Inc. (Phase 1 ground improvement and 12.5 kV power feed relocation); Graham/AECON Joint Venture (Phase 1 treatment plant process structures and equipment); North American Construction (blowers contract); Kenaidan Contracting (computer control system and laboratory building, cogeneration and backup power); Maple Reinders Inc. (Phase 2 Gravity Thickeners and Aeration Tanks Retrofit); Bennett Mechanical Installations (Phase 2 Digester Heat Exchangers Upgrade); Pomerleau-Bessac General Partnership (outfall pipeline)

Project/Construction Manager: Hatch (outfall project); CDM Smith (Overall Construction Coordination)

Other Key Players: AECOM (Stage 5 Phase 1 Design review); WSP (materials engineering & testing), Wood-a WSP company (consulting engineer/geotechnical studies & materials tester); Hatch (tunnel design review and outfall construction management); Colliers Project Leaders; Jacobs; CDM Smith; Associated Engineering (project and construction management/staff augmentation); Envirowest (environmental); McElhanney Consulting

Legal: Norton Rose Fulbright (for Metro Vancouver)

2022 Rank: 55

2021 Rank: 81

2020 Rank: 82

2019 Rank: 83

2018 Rank: 83

2017 Rank: 80

2016 Rank: 83

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