Blue line issues call for tenders for major extension work

Montréal officials plan to announce the winner next year.

Montreal Blue line

A Blue line car passes through a station. – EXP

The Société de transport de Montréal (STM) is launching a call for tenders for the Blue line extension’s largest contract. 

It includes the construction of the tunnel and the preparation of the sites of some future stations and auxiliary structures for the Blue line extension project. 

STM is the project manager and principal contractor for the extension. This step follows the request for qualification of suppliers issued earlier this year. It is the largest contract to be awarded as part of this major project, which will transform the lives of Montréal’s east end residents. 

The winning bidder will be announced in the second half of 2023 and will be responsible for:

  • The detailed design, supply and operation of the tunnel boring machine.
  • The construction of the tunnel between Pie-IX and Anjou West using a tunnel boring machine.
  • The construction of the tunnel between Pie-IX and the tail tracks of the current Blue line using conventional tunnelling methods.
  • The excavation of Pie-IX (main entrance building only), Viau and Lacordaire stations and some auxiliary structures.
  • In addition to its efficiency, the tunnel boring machine is powered by electricity, making it an eco-friendly and quiet option, says STM.

“The Blue line extension is a high-priority project for the revitalization of Montreal’s east end and for mobility in the metropolitan area. Geneviève Guilbault, deputy minister and minister of transport and sustainable mobilityThe project is finally taking shape with the construction of a new tunnel that will connect five new stations to the métro network by 2029. The Quebec government is making every effort to deliver this long-awaited project. We can’t stress this enough: given the climate crisis, developing public transit systems is at the forefront of solutions to support sustainable mobility.”

In summer 2022, the STM received authorization from the Quebec government to move forward with the execution phase, making it possible to launch the call for tenders. STM noted that other calls for tenders will follow in the coming months to award the various contracts that will eventually bring the project to life.

The STM said the Blue line extension will be commissioned in the fall of 2029 will allow residents to benefit from a new sustainable mobility option that will provide an attractive and efficient service over single-occupant car use.

Tunnel boring machine Blue line
A diagram shows how an electric tunnel boring machine will be used for the extension. – STM


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