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I think the big airlines liked piers, so piers we get.

With new crayon maps out recently for GO 2.0 and Alto, is it possible there's some behind the scenes coordination on new corridor infrastructure required for both projects along the old CPR Leaside spur (over Brickworks) and CPR Havelock? Could they share trackage for short periods within the...

If I remember correctly from TYSSE, you could advance a ring length (maybe 1.2m) in 1-2 hours, so maybe 5-7 in a shift.

There are TBMs that are designed to be deconstructed into themselves and dragged out of the tunnel. I had done that for a large diameter TBM used to dig some escalator shafts down to an existing deep station. But it is incredibly time consuming to demobilize and the internals and shells need to...

I was in the room for this..it was pitched as an industry consultation session to get feedback into the feasibility study process, and then the 'surprise visit' was dropped on us mid session.

Unless it actually became a shedded corridor (post electrification) from Dufferin to Roncesvalles, with greenspace on top like my local Weston tunnel.

I quite like it, but one that is conspicuous by its absence is something up Jane. I would've thought that a good western route for Ontario Line, as its one of the highest performing corridors from the City's last assessment (north of Eglinton at least)

This was managed with an almost gentlemen's agreement that offset the Darlington and Bruce refurbishments, so that they wouldn't be poaching each others' talent.

They also have a very large footprint down at 10 and 20 Bay.

A loooong time ago, they used to check everyone's tickets/PRESTO card.

I only meant they'll already have to invest in a fly-over or fly under from Kipling to get to the yard regardless if the line passes beyond Obico, and if GO ends up double tracking the Milton line as they've suggested, I'm not sure if there's corridor width for two TTC tracks to extend past the...

Or whether the justification leans on the fact that running tracks through a new Obico TTC yard gets you 1/3 of the way there...maybe we end up with an above-grade subway along North Queen that only goes underground to get under the QEW/427 interchange and into Sherway.

MSF will be many kilometers north, accessible from a siding that runs along the GO corridor.

The user pay model would be ideal, if you can make it a wash for rail lines in terms of money....balance the revenue they generate by buying their corridors (current dollars), their avoided future maintenance and capital investment costs (future dollars), with payments (future dollars) and have...

It was explained to me by someone that the 'piers' model is being moved away from globally, as the traffic implications of planes getting going in and out of 'dead ends' is not preferred from an aircraft movements and ground logistics perspective...meaning bridged islands that offer full...

There is (or was) also an option of an island expansion, a-la new La Guardia.

The majority of lands for the London 2012 Olympic park were freed up pylon corridors, replaced by I think it was 3-5 tunnels like this.

Bruce has been in the Deputy CEO role for coming up on a year already, so that makes the most sense short-term.

Josh then?

If I remember and understand it correctly, the TBM was supposed to go ~5m below the Schulich building at York U for the TYSSE. They had spent a tonne of money on a jet-grout matrix injection under the foundations to provide extra support, but it never ended up working. When it finally came time...