Subsea inspection campaign on Hinkley Point C

In 2015, James Fisher Marine Services* completed a two-month Unexploded Ordnance (UXO) survey and identification campaign on the Hinkley Point C project on behalf of its client, Costain.

The Hinkley Point C project was given the go-ahead for construction in 2014, with final funding agreed in the summer of 2016. The nuclear project – the UK’s first new nuclear power station for over 20 years - is a huge step forward in the UK’s drive to become energy self-sufficient.

Subsea inspection campaign on Hinkley point C

The challenge

  • Located on the Bristol Channel, where strong tides and poor visibility are present, work on the Hinkley Point C project provided some challenging conditions for James Fisher Subtech’s (JF Subtech) specialist UXO team to work in.

The solution

  • JF Subtech deployed a dive vessel with specialist UXO and survey divers to investigate pre-identified anomalies, and to ensure the site was clear of UXOs.
  • Equipped with tools for de-burial, JF Subtech’s specialist team enabled the client to undertake an in-depth inspection of the previously identified anomalies in accordance with ALARP.

The results and benefits

  • Throughout the works, upwards of 34 potential UXO targets were located and inspected whilst contending with the poor visibility and fast currents.
  • The completion of the works and the issue of the UXO clearance certificate marked an important milestone for the pre-engineering works for the site.

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