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Old December 18th, 2010, 10:04 AM   #2621
samuel_1991
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Will Queenstown be the next after Bedok / Commonwealth?
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Old December 18th, 2010, 10:16 AM   #2622
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Quote:
Originally Posted by samuel_1991 View Post
You might say that Dover so never heard of suicide case, at least to me. Eunos and Bedok got recently (2007 and 2010 respectively)

Tanah Merah one more difficult with double island configuration and so far seemed only Pasir Ris bound platform is affected suicide (For sure not suicide in middle track).

Notice Bukit Batok, Chinese Garden and Clementi gets it very soon after the 3 trials? Although I could not explain why Lakeside and Bukit Gombak also gets it when there is no recent suicide case (Or was it not reported? Or simply avoid people want to suicide in the Chinese Garden but go Lakeside with a short 2 min ride and such?)
The thing is, the people that suicide can go to any station to do it, just because dover doesn't have any case yet, doesn't mean that it is 100% safe. Anybody can choose to suicide there. So if they want to install these PSDs, obviously install it in all stations.
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Old December 18th, 2010, 10:17 AM   #2623
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I don't think it has anything to do with where people are "suiciding". If I were to suicide and found Jurong East blocked, no problem, just go on to the next and next and next until I find a station without PSDs. :P

Besides, Tanah Merah has the same configuration as the present Jurong East, so no problems there. Also, Tanah Merah has got the planning boxes already, paneling is likely to arrive soon.
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Old December 18th, 2010, 11:02 AM   #2624
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That's why the whole PSD system thing is really not gonna work out for people suiciding until ALL the stations have it. but what it does help stations that have the PSDs now is that it prevent innocent people from accidently falling onto the tracks, but like what selo said, the people who wanna die would just go to 1 station after another until they find one without doors.
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Old December 18th, 2010, 01:25 PM   #2625
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Actually... I got some doubt whether the half height doors will 100% prevent suicide. If there's ppl who die die want to commit suicide at MRT stations, they can climb over the doors and fall onto the track just when the train is approaching. Pretty easy for guys especially, as most are trained in clearing the low wall in SOC with combat load during army.

That's why I think Seoul Subway installed full height screen doors at some existing elevated stations.

Last edited by tangwk; December 18th, 2010 at 01:34 PM.
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Old December 18th, 2010, 01:49 PM   #2626
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Honestly, if a good cooling or ventilation system was also installed, I would've been all for full-height Platform Screen Doors. While it may stall some people from committing suicide, a meter and a half isn't very tall. Average height men would be able to scale that in a flash.

Furthermore, if it's done at a quiet station and no one notices, it would be difficult to get him back onto the platform with the doors in the way.
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Old December 18th, 2010, 02:04 PM   #2627
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Quote:
Originally Posted by circleline4 View Post
The thing is, the people that suicide can go to any station to do it, just because dover doesn't have any case yet, doesn't mean that it is 100% safe. Anybody can choose to suicide there. So if they want to install these PSDs, obviously install it in all stations.
True, and hence it is just NOT a priority and not wont install. Still got 1 ~ 2 years to go before HHPSD is installed fully.
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Old December 18th, 2010, 02:46 PM   #2628
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Quote:
Originally Posted by mrtdude5 View Post
Honestly, if a good cooling or ventilation system was also installed, I would've been all for full-height Platform Screen Doors. While it may stall some people from committing suicide, a meter and a half isn't very tall. Average height men would be able to scale that in a flash.

Furthermore, if it's done at a quiet station and no one notices, it would be difficult to get him back onto the platform with the doors in the way.
Hahah, put full height PSDs and make the platform enclosed, then cover the exposed area of the rest of the station with glass, and install air-conditioning units :P
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Old December 18th, 2010, 02:49 PM   #2629
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Quote:
Originally Posted by tangwk View Post
Actually... I got some doubt whether the half height doors will 100% prevent suicide. If there's ppl who die die want to commit suicide at MRT stations, they can climb over the doors and fall onto the track just when the train is approaching. Pretty easy for guys especially, as most are trained in clearing the low wall in SOC with combat load during army.

That's why I think Seoul Subway installed full height screen doors at some existing elevated stations.
But still, i feel that it helps those people in previous cases where they drop their shoe or something on the track and then climb down to get it and kena hit by the train.
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Old December 18th, 2010, 04:55 PM   #2630
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Quote:
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Actually... I got some doubt whether the half height doors will 100% prevent suicide.
LTA or the govt said themselves that it's impossible to prevent suicide 100% even with half-height PSDs so what are you doubting?

I think having half-height PSDs are for 3 main reasons:

firstly, to act as a deterrent to suicide. The PSDs are 1.7m high, try to climb and see if noone notices.

secondly, there is global pressure to make mass transit travel 'safer' so PSDs are becoming a standard rather than a mere option.

thirdly, this is more of a hunch but seeing that Paris Metro installed PSDs to deal with automation, this could be a longer term plan so you reduce costs since PSDs have already been installed.
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Old December 18th, 2010, 05:05 PM   #2631
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Interesting...I wonder if they skipped Dover because of it's side platform configuration?

Buona Vista could have been skipped because of CCL works going on.
Don't think so, platform configuration shouldn't affect installation of the PSGs. Perhaps the design of the platform, such as allowing end doors for access to the platform and such might affect how quickly the station gets it (eg. may need more time to decide how to configure the PSGs).

CCL works at the Buona Vista platform level have completed. They're not touching it anymore. So it shouldn't affect PSG installation either. I'm sure that the equipment is all housed at platform level, save during the installation period.
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Old December 18th, 2010, 05:50 PM   #2632
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Well, for Dover, maybe they have a "standard" layout (electrical circuits, signals, etc.) for all the island platform stations and since it is different here, they could have decided not to waste time working on a new one and just go ahead to the next station.

For Buona Vista...well I can't think of anything.

PS Does anyone live opposite an elevated station? It could be interesting watching them install the PSDs in the dead of the night.
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Old December 19th, 2010, 04:07 AM   #2633
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my only gripe about the half height PSDs are the dwell times. waiting for them to open and close easily adds about 6-7 seconds per station.

as for stopping at buona vista and dover, I think they are simply rotating around the three ends (Yishun, Pasir Ris, JE). Admiralty and Sembawang have no red markings even.
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Old December 19th, 2010, 04:11 AM   #2634
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Quote:
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PS Does anyone live opposite an elevated station? It could be interesting watching them install the PSDs in the dead of the night.
I chuckled. :P

I always see them getting ready to install at around 10pm whenever a station is preparing to get its doors done.
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Old December 19th, 2010, 04:27 AM   #2635
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Quote:
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my only gripe about the half height PSDs are the dwell times. waiting for them to open and close easily adds about 6-7 seconds per station.
from what i have continually observed with a watch, station dwell times have not changed with HHPSDs. passenger activity time is down from 23s per elevated non-HHPSD station to about 20s, which is still sufficient.
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Old December 19th, 2010, 06:24 AM   #2636
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Quote:
Originally Posted by mdzulkar9 View Post
I chuckled. :P

I always see them getting ready to install at around 10pm whenever a station is preparing to get its doors done.
Bedok?

Quote:
Originally Posted by ^tamago^ View Post
from what i have continually observed with a watch, station dwell times have not changed with HHPSDs. passenger activity time is down from 23s per elevated non-HHPSD station to about 20s, which is still sufficient.
There is a little delay, those doors just don't open fast enough. I get the feeling that the NEL & CCL doors suffer from this problem. It is particularly noticeable during NEL's non peak hours. If I am not wrong, the second generation doors are all manufactured by the same company.

Those on the underground NSL & EWL just sort of shoot open very violently. I assume that the second generation of PSDs are just more...fragile?

Quote:
Originally Posted by deskoh91 View Post
as for stopping at buona vista and dover, I think they are simply rotating around the three ends (Yishun, Pasir Ris, JE). Admiralty and Sembawang have no red markings even.
That doesn't explain why they went on with Commonwealth though?

Well, if they are rotating, I hope the work speeds up. What's the date set by the Government? 2012? At the rate they are going, it is three stations in two months.

Well, it is at least a step up from one station in three months...
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Old December 19th, 2010, 06:45 AM   #2637
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Quote:
Originally Posted by Seloloving View Post
There is a little delay, those doors just don't open fast enough. I get the feeling that the NEL & CCL doors suffer from this problem. It is particularly noticeable during NEL's non peak hours. If I am not wrong, the second generation doors are all manufactured by the same company.
The first-generation doors operate on pressurized air while the second-generation doors are driven by electric motors, if I recall correctly.
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Old December 19th, 2010, 02:13 PM   #2638
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Ah. Thanks for the information. So that's the source of the "hiss" I heard everytime.

Quote:
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Sengkang LRT has a glass wall, similar to PSGs built. It doesn't have any sliding components though. Just thought to share since I haven't seen it discussed here. The wall is white with glass or acrylic covering. No pictures, phone was full up today.


Sengkang's immovable glass doors.
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Old December 19th, 2010, 02:28 PM   #2639
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Thanks for the photo. Very much needed there as the platform is way too narrow (similar to how Bishan's old island platform was really narrow). Don't know why they built it so narrow in the first place. But anyway, for those who haven't been to Sengkang in a long time... Trains stop at opposite ends of the platform these days. Anti-clockwise bound trains stop near the lifts while clockwise bound trains stop near the escalators. I guess this was done for crowd management - people going in 2 different directions separate to wait for the trains separately freeing up more space on the narrow platform.
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Old December 19th, 2010, 03:23 PM   #2640
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Yeah...they used both platforms and technically, there are four platforms. Two on each side.

I got lost. It is very very confusing. A STARIS system will work perfectly here.

I am still astounded at how short LRT trains are, though. They should start running two car formations.
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