Stig
chatter
Posts: 1,496
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Post by Stig on Apr 26, 2012 16:27:55 GMT
Not withstanding the fact that dust does & can activate the fire alarm and LU protocol is to contact the Fire Brigade for each alarm activation a dust event is unlikely to have activated the fire alarm. There is no fire detection in public areas. The rooms off the platform are compartmented and while this has the effect of keeping fire & smoke IN the room it also has the affect of keeping dust OUT.
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Post by Charlie J on Apr 26, 2012 16:42:05 GMT
Not withstanding the fact that dust does & can activate the fire alarm and LU protocol is to contact the Fire Brigade for each alarm activation a dust event is unlikely to have activated the fire alarm. There is no fire detection in public areas. The rooms off the platform are compartmented and while this has the effect of keeping fire & smoke IN the room it also has the affect of keeping dust OUT. Explain the detector heads in some of the walkways at KXSP then... |
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Post by trt on Apr 26, 2012 16:51:46 GMT
There are many different kinds of fire detector. I haven't seen the ones at KXSP, though I'll look tonight, but I expect these are "hot spot" detectors which trigger if an object exceeding a certain temperature and size is in their detection area. The smoke detectors which are triggered by dust are optical smoke detectors. Smoke detectors can also be of the ionisation type.
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Stig
chatter
Posts: 1,496
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Post by Stig on Apr 26, 2012 16:56:52 GMT
To be fair I haven't seen the detectors at KX. KX is unique in many ways and may in fact prove me wrong. On reflection some new builds have VESDAs - very early smoke detector apparatus in locations with sizeable ceiling voids.
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Post by Charlie J on Apr 26, 2012 17:16:03 GMT
They look like regular Hochiki optical/heat combo heads to me.
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mrfs42
Global Moderator
71E25683904T 172E6538094T
Big Hair Day
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Post by mrfs42 on Apr 26, 2012 17:31:35 GMT
Can we stick to the subject line, please.
It is clear that there was a 'fire alert', although it seems that alert was created more by tunnel dust.
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Post by JR 15secs on Apr 26, 2012 17:35:29 GMT
Can we stick to the subject line, please.It is clear that there was a 'fire alert', although it seems that alert was created more by tunnel dust. The fire alert was due to a conductor pot smoking all related to the problem. BBC London news has this photo. www.bbc.co.uk/news/uk-england-london-17853428 |
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mrfs42
Global Moderator
71E25683904T 172E6538094T
Big Hair Day
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Post by mrfs42 on Apr 26, 2012 18:14:42 GMT
That's the WWII lining, isn't it?
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Post by rsdworker on Apr 26, 2012 18:32:46 GMT
That's the WWII lining, isn't it? yeah i think its built before WWII |
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Post by JR 15secs on Apr 26, 2012 18:43:17 GMT
That's the WWII lining, isn't it? yeah i think its built before WWII Just after WW1. |
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Post by 81stock on Apr 26, 2012 20:08:27 GMT
I read this as "conductor smoking pot". ;D |
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Post by whistlekiller on Apr 26, 2012 20:41:47 GMT
I read this as "conductor smoking pot". ;D I'm ashamed to say so did I! ;D As far as this incident is concerned, all the rumour, knee-jerk accusations of lying and further ill-informed reporting is not a great surprise really is it? It happens with monotonous regularity whenever anything like this happens. Our increasingly needy world of "24/7 on demand information" allied to our relentless desire to know the ins and outs of the duck's backside before the true facts are known makes this situation possible. Great.  Apparently, no one got hurt or killed. That's the important bit. |
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Post by rsdworker on Apr 26, 2012 21:01:14 GMT
on website - bakerloo is running full line again - only severe delays but NO press release about that
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Ben
fotopic... whats that?
Posts: 3,624
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Post by Ben on Apr 27, 2012 3:24:57 GMT
Mac - "let TfL deal with it professionally first" There are seemingly a fair amount of staff on here who, publicly or privately, doubt whether that is within management's grasp at even the best of times... Might it be something like; tunnel warps slightly, train knocks buldge, dust is expelled into tunnel, draughts send dust into station, dust sets off fire alarm? Or are these two totally seperate incidents? whistlekiller; whilst I agree with your sentiment, I suspect that its only a natural reaction to a feeling of Authorities being only too willing to bend the truth, take it out of context, misrepresent it, invent it, cover it up, or hype it purely for propagandas' sake, according to their own wants or needs. Considering the stream of stories about various cover ups and other dubious professionally sanctioned acts that seem to have increased in common knowlege since the digital age its hardly suprising. We live in an age of cynicism and suspicion, and most of it seems justified!! As the government/police seem to say, if you've done nothing wrong then why hide anything?  |
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Post by Admin Team on Apr 27, 2012 5:39:58 GMT
There are seemingly a fair amount of staff on here who, publicly or privately, doubt whether that is within management's grasp at even the best of times...
Thank you. |
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