Nine HS2 bridges and another owned by Network Rail are among 12 identified by a steelworks contractor as having welding defects.
Severfield announced that the issues - all on projects that are either ongoing or completed within the last four years - could cost around £20 million to fix.
In a statement, Severfield Chief Executive Officer Alan Dunsmore said the issues “all arise out of a particular bridge specification and related sub-optimal choices of welding procedures, exacerbated by limitations in the specified weld testing regime for these projects”.
He continued: “A comprehensive review is currently being undertaken by the Group, in conjunction with its affected clients, relevant industry authorities and insurers to fully understand the extent of the actions required to resolve the issue, which has not affected the safety…
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RAIL (Digital) - 1 Issue, Issue 1024