Annacis Island Wastewater Treatment Plant Expansion

Rank 2021

81

Industry Sector: Water

Project Type: Water Wastewater

Project Value: $550 Million

Funding Source: Public

Municipal Funding: $550 million

Province: British Columbia

City / Region: Delta

Estimated End Date of Substantial Completion: 2022

When this Stage 5 project by Metro Vancouver is complete, the Annacis Island facility will serve 1.5 million people in 14 Metro Vancouver municipalities. Today, it serves 1.25 million people. The previous expansion, Stage 4, was done in the late 1990s. The plant serves much of the Tri-Cities, Burnaby, Maple Ridge, Delta, Surrey, Pitt Meadows, Langley, and White Rock.

The $184 million contract for the outfall pipeline was awarded in September. The outfall pipe will be excavated using a tunnel boring machine.

Construction is scheduled for completion in 2022.

Project Owner: Metro Vancouver

Engineer: Brown and Caldwell, Stantec, EIC Solutions, and Klohn Crippen Berger (stage 5 Expansion); CDM Smith, Golder (outfall); Wood Group/Black & Veatch (Cogeneration Backup Power)

Contractor: North American Construction; Kenaidan Contracting (computer control system and laboratory building)

Project/Construction Manager: Graham/Aecon Joint Venture (Stage 5 Expansion); Bessac/Pomeleau JV (outfall pipeline)

Other Key Players: EXP (vibration monitoring); JJM Construction and Geopac Inc. (prepare the ground and relocate utilities); Golder (outfall design team); WSP (materials engineering and testing); Hatch (tunnel design review and outfall construction management); Colliers Project Leaders; Jacobs (construction mgmt. services); McElhanney (surveying services); Aon

Legal: Norton Rose Fulbright (for Metro Vancouver)

Financing Detail: Furthermore, Stage 5 expansion must be co-ordinated with other projects at the facility, including improvements to back up power and co-generation facility ($47 million), which generates 50 per cent of the plant's electricity; major clarifier maintenance ($20 million) and expansion of the Annacis outfall ($130 million). All the Annacis projects total about $747 million.

2020 Rank: 82

2019 Rank: 83

2018 Rank: 83

2017 Rank: 80

2016 Rank: 83

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