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Toronto Eglinton Line 5 | ?m | ?s | Metrolinx | Arcadis

Richard White said:
The Nine Elms extension on the Northern Line has provision for them should they be installed in the future.

Both Nine Elms and Battersea Power Station Station have them provision for them but funding was an issue.

In London, jumpers aren't as prevalent as they are in Toronto. There isn't as much need to install them there.

Some tube stations like Kensal Green, Amersham, Uxbridge or Mill Hill East have such low usage that there is no need for platform doors. Also, with the exception of Central London alot of the stations are actually above ground.

In Toronto however, I can foresee a homeless person destroying or damaging the doors. This would in turn, cause stations to be bypassed until the doors could be repaired or replaced.
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Damaging one set of doors does not mean the entire platform will go out of service. There would be other doors available, and the train and central control would be notified to add a few seconds to get passengers to use the other doors, and send repair crews.
 
EastYorkTTCFan said:
I get the argument I'm just pointing out that a lot of places have built new lines or added to existing ones and they weren't used for various reasons.

I think a lot of people think that they are useful and that they should be added to every new project but it doesn't really make sense to me to add it to only a few places and not others like for example when the extrusion of line 2 is built I don't expect them to add them unless they actually plan to put them on the rest of the line.
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I did specifically mention that PSDs usually don't make sense on extensions, for several reasons. Usually if an existing line gets PSDs, the entire line gets them, not any extension.
New lines are very clearly moving towards using platform screen doors however - Paris line 14/Grand Paris Express, Vienna U5, Bacelona Line 9/10, REM, Crossrail, Sydney Metro, Copenhagen Metro, Singapore, pretty much everything built in China, Korea, and Japan (which is like, probably over 100 lines), etc. It's hard to find a recently built new metro line that doesn't use platform screen doors.

Also I think that a lot of people have ideas of fantasy about them like thinking that having them will mean that the station is going to have HVAC systems installed in them.
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Right, so what's being built in Montreal right now, and what already exists on UPX and Pearson's people mover, is all "fantasy". Got it.

EastYorkTTCFan said:
Nope it wasn't designed to have them because they make no sense on a low floor light rail line.
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What exactly about low floor light rail trains makes PSDs not viable? Especially when they're used on a line that is functionally a light metro line for much of its length?
 
W. K. Lis said:
Damaging one set of doors does not mean the entire platform will go out of service. There would be other doors available, and the train and central control would be notified to add a few seconds to get passengers to use the other doors, and send repair crews.
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True but it would be a pain in the ass.
 
EastYorkTTCFan said:
Huh? How is their a reduction in cost to a sation by putting in platform edge doors?
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If you have doors you can put platform edge vertical supports in place to hold up the ceiling. This significantly reduces the span horizontal beams require; long horizontal beams holding heavy loads are expensive and that cost increase isn't linear with length.

There is no cost savings by retrofitting in platform edge doors. The savings is from being able to add additional vertical supports without impacting passenger flow or safety during initial station design.


EastYorkTTCFan said:
The Spadina extension was designed for them to be added with no additional supporting elements for the station above.
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Yes, the second round of station design was done this way.

The first round of station design included vertical supports at platform edges supporting the mezzanine level and roof above that. When it became clear ATC was not guaranteed to be completed, platform doors were removed, and in turn the vertical supports needed to be removed as well. Station costs increased by about 10% due to this change (part of that cost was redesign, the other part was an increase in materials costs).
 
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EastYorkTTCFan said:
Having ATC doesn't mean that they have to have platform edge doors too. Someone pointed out that because of the type of vehicle having them doesn't make sense it would be like putting them in at Spadina, St clair West , Queen's Quay or Union station Streetcar loops. The track is not far from the platform level and there is no third rail for anyone to make contact with.
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From what I've seen, people don't die or get hurt by touching the third rail. It's the damage wheels and the mass of the train do.
 
DirectionNorth said:
Still haven't seen any negatives of PSDs, @EastYorkTTCFan ...
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Probably wouldn't be considered a worthwhile negative, but the rail fan in my loves the sight/sound & whoosh of air when a train flies into a station at top speed and comes to a stop in a matter of seconds.
 
W. K. Lis said:
Happens already on the heavy rail subway cars, where a set of doors are not working. They put up a blockage across the door, but keep the train running.
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That's for all stations though. Can they program the system so that a door doesn't open at just one station? Or do they just close that door on all trains?
 
DirectionNorth said:
Still haven't seen any negatives of PSDs, @EastYorkTTCFan ...
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I don't have a problem with them but I just don't see a need to put them in. If they are so imparortant then why do only two of the UPX stations have them? Also, why do people seem to think that the TTC would put them in only a few stations without any plans for the rest of the subway system if you think it's a good idea you are as bad as a city council member who I watched stall the debate on the Scarborough subway extension because there were no plans for platform edge doors at the time, which Metrolinx hasn't said if there will be any either.
 
Is the new Mount Dennis GO Station opening up at the same time as the Crosstown, and will the UPX also serve the station immediately after opening?
 
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