The work-to-rule action, starting this weekend, involves trade workers from 34 contractors, including groundworkers, welders and electricians
The two nuclear waste containers were unaffected and there was no radiation risk to workers or the public, said the ONR.
Altrad Services workers producing steam for Sellafield have called off long-running strikes after reaching an improved pay offer from Sellafield.
KAEFER UK & Ireland secures four-year contract to provide critical services including asset care, maintenance, and minor projects.
Hutton has been interim chief exec at Sellafield since July last year, graduating first from site director then to chief nuclear officer.
The Cumbria contractor is the latest local firm to join the site’s Programme and Project Partners.
Sellafield Limited said on Sunday it had suspended operations and sent workers home early as powerful winds and heavy rain battered parts of the UK.
The industrial action, said to include up to 3,000 construction workers, could also affect Stanlow, Fawley, Valero, Grangemouth and Mossmorran oil refineries.
Keltbray will deliver earthworks in support of a major project at Sellafield former nuclear site in Cumbria.
Industry body for piling and foundation contractors The Federation of Piling Specialists (FPS) has called on the government to address delays caused by the Building Safety Regulator (BRS).
