Date: 25/02/2022

A loose 10mm nut caused the derailment of ten 100-tonne tanker wagons at Llangennech, resulting in a fire and the spillage of nearly half a million litres of oil. Malcolm Dobells report explains how such an apparently small failing led to such a serious event and shows that, on a hi-tech railway, the basic nuts ...

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For the want of a torque wrench - Rail Engineer

Rail Engineer

A loose 10mm nut caused the derailment of ten 100-tonne tanker wagons at Llangennech, resulting in a fire and the spillage of nearly half a million litres of oil. Malcolm Dobells report explains how such an apparently small failing led to such a serious event and shows that, on a hi-tech railway, the basic nuts []

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Tags: x Llangennech x Derailment x RAIB