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The maintenance shop is located more than seven stories underground, in the tunnel where maintenance work on rolling stock is conducted.
building with seven of the storeys underground and allow for changing train trajectory according to
the construction site is one of the largest worksites operational, maintenance and parking needs. This
in Montreal, involving a great number of different new garage is connected to Côte-Vertu station
trades and more than three hundred workers every (terminus).”
day (day and night shift).
From a technological perspective, Paquet says
“The excavation and concrete work has been STM opted for installation on independent twin-
completed,” says Paquet. “This new major blocks, which are precast concrete structures onto
infrastructure is built 25 metres below ground level. which the rails, running racks, insulators and guide
The garage includes a 1.5 km double track tunnel bars are installed. Compared with conventional
8 metres wide by 5 metres high in the shape of a installation, where the tracks are anchored directly
horseshoe also including a pit on pilings for train to the structural slab, the new method of installation
maintenance. The infrastructure includes three on blocks offers several advantages, including
(3) auxiliary structures (workshop, emergency exit quicker installation, greater durability and less
and ventilation infrastructure). The garage includes maintenance, all of which result in long-term
a shunting hub with several track switches that savings.
32 FEB 2022 | BUSINESS ELITE CANADA
