Annacis Island Wastewater Treatment Plant Expansion

Province: British Columbia

City/Region: Delta

Image Credit: Metro Vancouver

47

Project Rank

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Project End: 2032

Project Type: Water Wastewater

Industry Sector: Other

Project Amount: $2 billion

Date of Completion: 2032

Funding Source: Public

LEED Status: Certified

Previous Rankings

202546
202445
202354
202255
202181
202082
201983
201883
201780
201683
202647

About The Project

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 Final Works is underway with construction anticipated to commence in 2026.

Project Owner: Metro Vancouver

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

Engineer: Brown and Caldwell, Klohn Crippen Berger, CDM Smith, WSP (Stage 5 expansion); CDM Smith, WSP (materials engineering and testing); Golder (WSP) (outfall); Wood (WSP) (consulting engineer/geotechnical studies & materials tester); McMillen Jacobs, Arup (design architect); EXP (geotechnical)

Contractor: Phase 1 Substantially Complete; 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); Graham

Other Key Players: AECOM (Stage 5 Phase 1 Design review); WSP (materials engineering & testing); Wood E&I (WSP) (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; Victaulic (supplier); Marsh Canada (risk advisor)

Legal: Norton Rose Fulbright (for Metro Vancouver)

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