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Montréal Transit Developments

nfitz

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Studies reveal that a longer tunnel would be possible, but it's quite risky to bore a 9.4 meter diameter tunnel just 3.9m under the orange line.
Almost 4 metres clearance seems huge compared to the clearances that the TBMs for Crossrail did - less than a metre in places - without even closing the other tube line in London - at least at Tottenham Court Road.

Though looking at the illustration, I'm not sure why they couldn't build the portal near Labelle, with cut and cover between there and Sanguinet to simply and safely work around the existing tunnels. This would also allow for construction of a station between those locations, connecting to Metro Berri.
 
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asher__jo

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Almost 4 metres clearance seems huge compared to the clearances that the TBMs for Crossrail did - less than a metre in places - without even closing the other tube line in London - at least at Tottenham Court Road.

Though looking at the illustration, I'm not sure why they couldn't build the portal near Labelle, with cut and cover between there and Sanguinet to simply and safely work around the existing tunnels. This would also allow for construction of a station between those locations, connecting to Metro Berri.
I was going to reference the exact same project. Was it complex and expensive? Sure, but it's not the impossibility that is being disseminated to the media.
 

NoahB

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Foundations for the Place Ville-Marie - Central Station complex.

To help you understand: I just made an overlay of the REM station over a Place Ville Marie plan.

View attachment 346239


As you can see, the Central Station platforms are right behind the end of the REM de l'Est tunnel.

Therefore a westwards expansion appears to be absolutely impossible.
How are the foundations in the way when the tunnel is under the street and the tower is off of the street? Do buildings typically have foundations that extend under public roads?
 

nephersir7

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How are the foundations in the way when the tunnel is under the street and the tower is off of the street? Do buildings typically have foundations that extend under public roads?
Directly under that stretch of René-Lévesque blvd there's a mall, two levels of underground parking (one for the Place Ville Marie towers, one for the Queen Elizabeth Hotel) and, most importantly there's Central Station's tracks and platforms sitting at the same depth as the planned REM station.
 

p_xavier

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Since half of this forum seems to live or be from Montréal for some odd reason, here is a pilot project that's for reading and recharging an OPUS card with a smartphone (Android and iOS). You can be part of the pilot project by clicking on this link. This version is not ADA-compliant and not in English since it's a pilot but the final version will be.

 

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