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Shortlists announced for Toronto subway tunnels

Posted by: Preston Pierce
Industry News

Shortlists announced for Toronto subway tunnels 

The Ontario government has shortlisted six construction consortia for tunnelling contracts for two separate transit projects on the east and west ends of Toronto.

Provincial agencies Infrastructure Ontario (IO) and Metrolinx said that three bid teams have been advanced to the request for proposals (RFP) stage for both the Scarborough Subway Extension and the Eglinton Crosstown West Extension.

Ontario’s minister of Transportation Caroline Mulroney said: “When our government was elected, we immediately reached out to listen to the market to ensure there was capacity and competition to bid on priority projects. The market has responded in an overwhelmingly positive manner and this shortlist is made up of a strong mix of Canadian and international bidders.”

First tabled last spring, the two projects are part of the government’s $28.5 billion plan to expand transit throughout Toronto. The initiative also includes the new Ontario Line subway and the Yonge North subway extension.


To moe things along more quickly on the long-debated Scarborough Subway and on the Crosstown West extension, IO and Metrolinx unbundled the work and issued a request for qualifications (RFQ) for the tunnelling portion this March. Still to come are procurement for the additional contracts tied to station construction and fitting out the tunnels.

The Ontario crown agencies plan to award final contracts for the two tunnelling jobs by mid-2021, but it will be nearly a decade before Torontonians are riding on either line. The Scarborough Subway Extension is scheduled to open in 2029 or 2030, and completion of the Eglinton Crosstown West Extension is set for 2030 or 2031.

The three teams shortlisted for the eight-kilometre Scarborough Subway Extension, which will run from the existing Kennedy Station to McCowan Road/Sheppard Avenue are Acciona, East End Connectors, and Strabag Inc.

Toronto’s new Eglinton Crosstown LRT is expected to open in 2022. The planned extension includes seven stops and runs 9.2-kilometre to the west. The shortlist for the tunnelling work includes Fast Eglinton Group, North American Tunnel Partners, and West End Connectors. Full story.

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