Toronto Subway Moving Beyond City Border




Project Info

Client
Toronto Transit Commission

Location
Toronto, Ontario, Canada

Description

Main construction has begun on what is the first major expansion of the Toronto-York Subway system in almost a decade. The addition will expand service to Toronto’s York Region, which is experiencing residential growth and business development near the Vaughan Corporate Centre. The new route will also serve York University and its student enrollment of 60,000.

Our Role

Golder is serving as the principal geo-engineering consultant for the project, whose 8.7 km (5.4 mi) route includes 6.7 km (4.2 mi) of earth pressure balance (EPB) bored twin tunnels and six new subway stations.

We also are assisting the transit agency to manage and minimize subsurface risk with a coherent strategy to guide all subsurface activities through planning, investigation, design and construction so that potential effects on the project cost and schedule can be mitigated.

In addition, Golder has developed a Geo-Engineering Content Management System (GECMS) for documents, investigation data and construction monitoring data to be accessed through one portal.

The opening is set for late 2015, ushering in the newest part of a subway network that started operations nearly 60 years ago.


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