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HomeNewsREM's tunnel boring machine has reached Trudeau airport

REM’s tunnel boring machine has reached Trudeau airport

With the tunnel accomplished, tracks must be laid and the station must be constructed earlier than service to Montreal’s airport can start in 2025.

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The builders of the Réseau categorical métropolitain introduced Thursday that its tunnel boring machine has accomplished its route towards the Trudeau airport.

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CDPQ Infra, the unit of the Caisse de dépôt et placement du Québec that’s constructing the 67-kilometre, 26-station light-rail line, stated the machine — which was given the identify Alice by the general public — dug a 2.5-kilometre tunnel linking the Technoparc in St-Laurent to the underground space the place the REM station will probably be constructed within the airport’s basement degree.

The previous few metres offered a specific problem, because the machine needed to be monitored from above floor to keep away from any motion of the soil the place the airport’s runways are positioned. The tunnel was dug instantly beneath them, defined CDPQ Infra spokesperson Emmanuelle Rouillard-Moreau.

The machine was used to each excavate the rock and assemble the tunnel’s prefabricated segments, which signifies that because the machine created the tunnel, it additionally assembled the segments of the tunnel’s concrete partitions.

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Over the subsequent few months, groups will probably be dismantling the machine. After that, the rails must be positioned, then the set up of the electromechanical gear, after which the testing of the trains on the tracks.

The station beneath the airport nonetheless must be constructed, and gained’t be accomplished till the top of 2024. The prepare connecting to the airport gained’t run till 2025, CDPQ Infra introduced in Might; it expects to announce a date for the opening of the station this fall.

It has but to be decided if the federal authorities can pay for an extension to the REM that might hyperlink the airport station to the Dorval prepare station on the Vaudreuil-Hudson line.

The REM is anticipated to start operations later this yr, linking Brossard with downtown Montreal’s Central Station over the Champlain Bridge. It will likely be prolonged to Deux-Montagnes, the West Island and the airport, operating by the Mount Royal tunnel.



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