July 18, 2016 | Mark Paradies

Monday Accident & Lessons Learned: Freight Train Derailment in the UK – Three New Recommendations

Screen Shot 2016 06 01 at 5 03 36 PM

Derailment of freight train near Angerstein Junction, south east London, 3 June 2015

At about 12:10 hrs on 3 June 2015, one wagon of an empty freight train derailed on the approach to Angerstein Junction, near Charlton in south east London. The train continued over the junction, derailing two further wagons, before it stopped on the Blackheath to Charlton line. The three derailed wagons were partly obstructing the line used by trains travelling in the opposite direction. No other trains were involved in the accident and no-one was injured, but there was significant damage to the railway infrastructure.

The wagons derailed because the leading right-hand wheel on one of them was carrying insufficient load to prevent the wheel climbing up the outer rail on a curved section of track. The insufficient load was due to a combination of the suspension on that wheel being locked in one position, a twisted bogie frame and an intended twist in the track.

As a consequence of this investigation, RAIB has made three recommendations.

The first, addressed to VTG (the wagon owner), seeks improvements to its wagon maintenance processes.

The second, also addressed to VTG, seeks liaison with industry to improve understanding of how wagon suspension wear characteristics relate to maintenance processes.

The third, addressed to Network Rail, seeks a review of infrastructure arrangements at the accident location.

The report also includes a learning point reinforcing a previous recommendation intended to encourage use of currently available wheel load data to enable identification of wagons with defects or uneven loads that are running on Network Rail’s infrastructure.

To see the complete report, go to:

https://assets.digital.cabinet-office.gov.uk/media/5748532b40f0b60366000016/R102016_160601_Angerstein_Junction.pdf

The above information and report are from the UK Rail Accident Investigation Branck. See their web site at:

https://www.gov.uk/government/organisations/rail-accident-investigation-branch

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