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Construction News

22 August 2025

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Graham cleans up with £50m nuclear waste deal

1 hour John Graham Construction has been appointed by Nuclear Waste Services (NWS) to deliver its critical infrastructure framework at the low-level waste repository near Drigg in Cumbria.

The low-level waste repository site near Drigg
The low-level waste repository site near Drigg

Graham has been awarded the £49.6m integrated site works framework (ISWF), a four-year contract that will deliver a range of infrastructure and operational support projects.

This includes replacing or upgrading ageing critical infrastructure, carrying out demolition and remediation works, installing and commissioning new operational systems and supporting future operations at the repository site.

This work is additional to Graham’s appointment in delivering the southern trench cap interim membrane (STIM), project which involves placing a new protective membrane over the legacy disposal trenches, enabling future capping operations.

Graham contracts director Alastair Lewis said: “Our appointment to the ISWF represents our successful collaboration at the repository site. Works will commence this month, and we are committed to providing high-quality solutions in future proofing operations at the site.”

Mike Pigott, director of sites and operations at Nuclear Waste Services, added: “This work will enhance and prolong the life of critical infrastructure at the repository site, essential for our enduring mission of making radioactive waste permanently safe, sooner.

“Graham brings the technical expertise and collaborative ethos we need to deliver our work safely, sustainably and with a commitment to being a good neighbour, and we’re excited to move forward with partners who share our values and ambition.”

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MPU

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