Blue Line Extension: A Step Closer to Building the Tunnel

STM Blue Line Extension.

STM

MONTREAL - The Société de transport de Montréal (STM) is launching a call for tenders for the construction of the tunnel of the blue line extension.

SDM is the project manager and principal contractor for Montreal’s Blue Line extension, and is launching a call for tenders for the construction of the tunnel and the preparation of sites of some future stations and auxiliary structures. The Request for Qualification of Suppliers was issued earlier this year.

In its role as project manager and principal contractor of the Blue line extension, the Société de transport de Montréal (STM) is launching a call for tenders for the construction of the tunnel and the preparation of the sites of some future stations and auxiliary structures. 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