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But again, if you’re not sure what you’re getting into, so that part first. Incomplete surveys from the TTC should have been a warning to Metrolinx to conduct their own comprehensive survey and planning.
It should also be noted that this should not have been unexpected. Engineering surveys from the 1950s and 1960s are notoriously unreliable.

Dan
 
Escalator parts arriving at Eglinton for the underground passageway
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With the TBM? It's almost all in various sublayers of the Queenstown shale - one would expect softer shales. Some of it is almost more like silt than rock, particularly at the boundary with the lower Silurian.

I hadn't realised it was so deep. I haven't been following it closely - I'd have though they would have been higher, to stay out of the Queenston.
View attachment 429055
Is this a cross section of a tunnel near Niagara Falls? What's the relation to the Crosstown's underground environment?
 
This project is immensely complicated, and is one of if not the biggest construction project in the entire company. So much equipment is required for this project that it has caused shortages in the industry.

That doesn't excuse the fact that there months before opening it is delayed a full year. Is Eglinton station the only issue stopping the completion of this project? If trains are able to bypass the station without passengers getting off, would that be a deal breaker?
 
The are doing it's best to open Finch West before the Crosstown. Should they rename that to Line 5 and this to Lien 6 if that ever happens?
Why would they? For various reasons, TTC routes have been renumbered or axed over the years leaving gaps in the system but you don't see the TTC scrambling to renumber to fill in the gaps. The routes we have today are not all numbered chronologically according to when they started service either.
 
The are doing it's best to open Finch West before the Crosstown. Should they rename that to Line 5 and this to Lien 6 if that ever happens?
Tons of cities build lines "out of order", usually if they have pre-planned their systems. Santiago (where Line 5 was built after 1 & 2) and Vienna (who still doesn't have a line 5, despite a Line 6) come to mind
 
Is Eglinton station the only issue stopping the completion of this project? If trains are able to bypass the station without passengers getting off, would that be a deal breaker?

It appears that Cedarvale, Eglinton and Leaside are the three stations currently holding up progress - they are the only three where substantial surface work, such as backfilling and grading, needs to be done to say nothing of the subgrade work still ongoing. And of those three, Cedarvale and Leaside appear to be considerably closer to completion than Eglinton, although it seems like that date for those two is still months away rather than what the sources have been telling the CBC.

Of course, considering that just two of the stations have been given their occupancy permits (as far as I can tell), it's not to say that those three are the ONLY ones keeping the line from opening. But at just about all of the other stations crews have been working on demobilizing the sites, so their completions and occupancy permits are probably going to be issued in reasonably short order.

Dan
 

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