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Chronicle Live
Chronicle Live
National
Graeme Whitfield

Hitachi Rail to repair 1,700 train carriages after cracks caused major disruption

County Durham firm Hitachi Rail will have to repair more than 1,700 train carriages after a report into cracks on vehicles that led to mass rail cancellations last year.

A number of services on the East Coast mainline, TransPennine Express, Great Western Railway and Hull Trains were cancelled last May when cracks were found on the shell of the Class 800 trains made at Hitachi Rail’s plant in Newton Aycliffe, County Durham. Now a report by the Office of Rail and Road (ORR) has found that the cracks were caused by excess movement and aluminium corroded by salt in the air.

Fatigue cracking in the area above the wheels of Hitachi-built Class 800 trains was a result of the rolling stock experiencing more movement than allowed in original designs, though it is not known for certain why this happened. The withdrawal of Class 800 trains until additional safety checks were introduced led to a week of severe disruption to services last May.

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The ORR has called on Hitachi and the wider rail industry to further investigate fatigue levels on rail rolling stock, while Hitachi has committed to a repair programme for 1,247 Class 800 series vehicles, plus nearly 500 other train carriages. To reduce disruption to the rail network, the programme will take place over six years, with Hitachi prioritising the trains most in need of repair.

ORR’s HM chief inspector of railways Ian Prosser said: “With our oversight, Hitachi Rail and operators have put in place robust plans to make sure the right safety issues are being managed following the initial discovery of cracks on the trains, which have allowed trains to re-enter service.

“Safety remains the number one priority. Our review provides a clearer picture of the issue and we will continue our oversight to ensure work moves forward to agree the permanent solution and our recommendations are acted on.

“It is important that the whole industry works together to learn lessons from what has happened and our recommendations will help with that.”

A Hitachi Rail spokesperson said: “The ORR’s report identifies that all Hitachi trains meet relevant standards and that we took the appropriate action to prioritise safety and maintain train availability. The report also provides a detailed account of the tireless work to simultaneously keep trains running safely, while working towards the long-term solutions.

“The proposed engineering solutions outlined in the report are currently being reviewed by all partners. We are working together to finalise the plan for their implementation, while always prioritising safety and train availability to support consistent passenger services.”

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