Strabag closes €500m Toronto tunnel deal, brings own TBM

The Canadian subsidiary of Austrian contractor Strabag has been awarded a €500m contract to build a tunnel for a metro extension in Toronto.

The Advance Tunnel Project for the €3.3bn Scarborough Subway Extension was awarded by Infrastructure Ontario and Metrolinx, and is being executed under a design-build-finance model. The evaluation criteria included bidders’ design and construction methodology, their approach to project management and collaboration skills.

The scope of the work includes a 7.8km extension of the Toronto Transit Commission’s Bloor-Danforth Line 2. As well as tunnelling, Strabag will supply a tunnel boring machine.

A first draft of the planned Scarborough extension (Metrolinx)

Thomas Birtel, Strabag’s chief executive, commented in a press statement: "This contract is one of several large infrastructure projects that we are implementing in Toronto at this time.

"We are pleased that our tunnelling expertise, which is currently also being applied to the construction of a pumping station and a railway tunnel, has helped to secure another order for us."

Strabag had been named "first negotiations proponent" for the scheme in March, meaning that it was likely to win the job if the final talks went smoothly.

Work will start before the end of the month, and is expected to be completed by autumn 2024.

Top image: One extension will replace the Scarborough light rail system (Adam E Moreira/CC BY-SA 3.0)

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