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Author Topic: Freightliner off the rails at Eastleigh.  (Read 2445 times)
stuving
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« Reply #30 on: February 06, 2020, 07:03:57 pm »

Further down the linked article the following appears (my bolding):

“We now understand the cause of the derailment. A small number of
fastenings holding the track to the rail gave way causing
track spread and the two rails were pushed apart.”

I thought track and rail were synonymous?  Huh  Can anyone expand on what he might mean?

Paul

It was explained on TV as being a bolt (though it must have been several) holding a chair to a sleeper.
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bradshaw
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« Reply #31 on: February 06, 2020, 07:59:17 pm »

This is a photo taken from one of NR Wessex’s Twitter feed. It shows some of the fixings at the site
(https://twitter.com/networkrailwssx/status/1224221638654406657?s=21)
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stuving
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« Reply #32 on: February 06, 2020, 08:37:37 pm »

This is a photo taken from one of NR Wessex’s Twitter feed. It shows some of the fixings at the site
(https://twitter.com/networkrailwssx/status/1224221638654406657?s=21)

I take that to be damage caused by the derailed wagons, which must be "downstream" of the original derailment site where, we are now told, there was gauge spread due to missing or broken chair bolts.
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SandTEngineer
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« Reply #33 on: February 06, 2020, 08:37:46 pm »

Interesting to note that NR were aware of the gauge spread on those points as you can see at least three gauge tiebars and the identifying X painted on the sleepers: https://t.co/WT6UZQzkUw?amp=1
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SandTEngineer
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« Reply #34 on: February 10, 2020, 10:26:42 am »

RAIB Investigation announced: https://www.gov.uk/government/news/freight-train-derailment-at-eastleigh?utm_source=5564eb3b-e575-4c28-aa70-c16ca59187fb&utm_medium=email&utm_campaign=govuk-notifications&utm_content=immediate

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Freight train derailment at Eastleigh, Hampshire, 28 January 2020

Published 10 February 2020
From: Rail Accident Investigation Branch

At around 11:31 hrs on 28 January 2020, a freight train derailed on a set of points just south of Eastleigh station. The train was travelling at about 12 mph (19 km/h) at the time, and was running from the down slow line, through a crossover which led to the down fast line. The locomotive became partly derailed and then re-railed itself, and some of the wheels on four of the following five wagons also became derailed, causing significant damage to the track in the process. The driver stopped the train before the remaining 25 wagons reached the damaged track. Nobody was injured, but the track and signalling equipment was severely damaged and there was extensive disruption to services on the south western main line for the following six days.

The RAIB’s preliminary examination found that a series of rail fastenings, intended to maintain the correct distance between the rails, had broken. Initial evidence suggests that some of these were already broken before the derailment. Consequently, as the freight train passed over the points, the rails moved apart and the train wheels dropped into the space between the rails.

Our investigation will identify the sequence of events which led to the incident. It will also consider:

the design and installation of the rail fastenings

the industry’s response to previous problems identified with the fastenings during their service life

any underlying factors
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SandTEngineer
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« Reply #35 on: February 25, 2020, 02:30:55 pm »

Some photographs of the track replacement work, on the Cornwall Railway Society website, down the page here: http://www.cornwallrailwaysociety.org.uk/latest-input--news--old-pictures-etc
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paul7755
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« Reply #36 on: February 25, 2020, 07:12:02 pm »

Some photographs of the track replacement work, on the Cornwall Railway Society website, down the page here: http://www.cornwallrailwaysociety.org.uk/latest-input--news--old-pictures-etc
For anyone who hasn’t picked up on it from other forums, they’ve actually only repaired half the defect, the route from P3, (the Portsmouth loop), to the down main is still not available.   AFAICT that doesn’t lose too much functionality, but it still isn’t 100%.   

Probably another short notice weekend closure still to be decided...

Paul
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