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Author Topic: CrossCountry HST divided at Lawrence Hill. 31st October 2016  (Read 8681 times)
JayMac
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« on: October 31, 2016, 02:31:41 pm »

1S51, the 1224 Exeter St Davids - Dundee, a CrossCountry 2+7 HST (High Speed Train) set, has divided just north of Lawrence Hill station. The front power car has split from the rest of the train.

The Up Filton line is currently (1430) blocked while GWR (Great Western Railway) fitters from St Phillips Marsh attend the scene.  Once fitters confirm the train is safe to move the front power car will go forward to Bristol Parkway, while the remaining train will return to Bristol TM(resolve).

A very unusual occurrence. I wonder if the RAIB (Rail Accident Investigation Branch) will be informed.
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LiskeardRich
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« Reply #1 on: October 31, 2016, 04:15:37 pm »

Screen print attached from Facebook southwest railways group
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paul7575
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« Reply #2 on: October 31, 2016, 04:23:08 pm »

Will split tickets be valid, or compulsory Huh

Paul
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JayMac
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« Reply #3 on: October 31, 2016, 07:38:46 pm »

An industry wide check on all HST (High Speed Train) couplers has been put in place this evening.
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« Reply #4 on: October 31, 2016, 07:55:07 pm »

I'd heard XC (Cross Country Trains (franchise)) were planning to divide and reform some sets to create more capacity, but didn't expect it this soon.
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TonyK
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« Reply #5 on: November 01, 2016, 09:09:23 am »

A very unusual occurrence. I wonder if the RAIB (Rail Accident Investigation Branch) will be informed.

Unusual, or unprecedented? There was the potential for disaster, even if the outcome was mere inconvenience, so I suppose the RAIB will need to be told. If no-one knows whether they should be told or not, I would imagine the default position is to give them a call.
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LiskeardRich
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« Reply #6 on: November 01, 2016, 09:17:59 am »

I understand as soon as the brake lines separated it would apply emergency brakes throughout. Lucky nobody in that vestibule at the split, but guess that's unlikely between a power car and coach.
Reports elsewhere the lead carriage was recently back from its C4 work/exam.
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bobm
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« Reply #7 on: November 01, 2016, 09:38:43 am »

Lucky nobody in that vestibule at the split, but guess that's unlikely between a power car and coach.

On XC (Cross Country Trains (franchise)) sets there is public access to the vestibules at both ends.  At the standard class end there is the bike store while at the first class end you have the usual sliding door leading out to the vestibule.

It is slightly different on GWR (Great Western Railway) sets.  The TM(resolve)'s office is at the standard class end, but you can access the vestibule at the first class end - and there is a toilet there too.

If the brakes suddenly came on and you are in the vestibule, you could be thrown forward - doesn't bear thinking about.
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Sprog
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« Reply #8 on: November 01, 2016, 10:21:25 am »

A very unusual occurrence. I wonder if the RAIB (Rail Accident Investigation Branch) will be informed.

Unusual, or unprecedented? There was the potential for disaster, even if the outcome was mere inconvenience, so I suppose the RAIB will need to be told. If no-one knows whether they should be told or not, I would imagine the default position is to give them a call.

I understand as soon as the brake lines separated it would apply emergency brakes throughout. Lucky nobody in that vestibule at the split, but guess that's unlikely between a power car and coach.
Reports elsewhere the lead carriage was recently back from its C4 work/exam.

Lucky nobody in that vestibule at the split, but guess that's unlikely between a power car and coach.

On XC (Cross Country Trains (franchise)) sets there is public access to the vestibules at both ends.  At the standard class end there is the bike store while at the first class end you have the usual sliding door leading out to the vestibule.

It is slightly different on GWR (Great Western Railway) sets.  The TM(resolve)'s office is at the standard class end, but you can access the vestibule at the first class end - and there is a toilet there too.

If the brakes suddenly came on and you are in the vestibule, you could be thrown forward - doesn't bear thinking about.

It's unusual...this is not the first time this has happened to a HST (High Speed Train) (or other T&RS) albeit with altered circumstances. Wink

No potential for disaster...as correctly stated - as soon as the brake pipe hoses are parted the brakes will apply - that is the design. Cool

There are locked inward opening gangway end doors so nobody is getting 'thrown' out of the vestibule Hollywod style. Roll Eyes

The RAIB will always be informed & they will advise what actions they require ie. Move nothing/Recover but quarantine/No further action required etc.  Grin

Cant comment further on the rest but you only have to look at the conditon of the bogies and coupler on the coaches in the picture and the powercar to start to work things out.  Lips sealed
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Oxonhutch
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« Reply #9 on: November 01, 2016, 01:16:12 pm »

I assume there was a robust pull-apart test after coupling up initially - not infallible I know.

Comforting to see that the twist-lock couplers on the air lines parted as per design rather than ripping the hoses from their mountings.  It was a question I asked of my EWS (English Welsh & Scottish Railway Ltd, now known as DB Schenker Rail (UK (United Kingdom))) trained trainer when I was learning our air-braked stock.  I have to say that the space to work is somewhat tighter in there compared to one vacuum hose and one steam heating pipe.

The electric socket looks a bit traumatised though.
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LiskeardRich
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« Reply #10 on: November 01, 2016, 04:11:50 pm »

I assume there was a robust pull-apart test after coupling up initially - not infallible I know.
 

It had travelled as a minimum Leeds- Exeter- where it separated, since any depot test.

The buckeye pin reportedly failed on the power car. All HST (High Speed Train) power cars for all TOCs (Train Operating Company) were subject to inspection last night.
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Adelante_CCT
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« Reply #11 on: November 01, 2016, 07:12:17 pm »

The solo power car has now just made it's way to St Philips Marsh.

http://www.realtimetrains.co.uk/train/O40723/2016/11/01/advanced
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rower40
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« Reply #12 on: November 01, 2016, 09:04:00 pm »

Family and I travelled on the 0928 Derby to Birmingham (HST (High Speed Train)) on Sunday.  Was this the same set?
It would have added an extra frisson to the journey had we known what was to happen the next day!
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Chris from Nailsea
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« Reply #13 on: November 01, 2016, 09:41:30 pm »

The BBC» (British Broadcasting Corporation - home page)'s version of the incident (published two hours ago):

Quote
CrossCountry train 'splits in two' near Bristol Temple Meads


The 13:30 BST CrossCountry train split in two on Monday shortly after leaving Bristol temple Meads railway station

A train carrying more than 200 passengers "split in two" shortly after departing from a station, it has emerged.

The CrossCountry service was leaving Bristol Temple Meads when the front car separated from the rest of the carriages, the operator said.

It reportedly came to rest 14ft (4m) away.

A CrossCountry spokesman said 209 people were taken off the train, which was moved back into the station.

He said Monday's 13:30 service to Glasgow was travelling at "low speed" and the "onboard safety systems stopped the train immediately".

"At this stage there is nothing to suggest a similar problem is likely to occur on any other train of this type," he said.

An investigation has been launched.


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JayMac
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« Reply #14 on: November 01, 2016, 10:05:29 pm »

Well reported BBC» (British Broadcasting Corporation - home page).

1330 BST after the end of BST...

A picture of a Voyager.

 Roll Eyes
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