Costain will deliver decommissioning works at the Trawsfynydd nuclear power station located in the Snowdonia National Park in North Wales for the Nuclear Restoration Services (NRS)
Costain’s engineering team will work with NRS to support the safe and compliant decommissioning of the reactor buildings, which were built in the 1960s and have been subject to decommissioning works since 1991. The project is worth approximately £70m to Costain, and the programme is expected to take around four years.
At its peak, Costain is expected to employ more than 100 people to deliver the programme, creating opportunities to boost regional prosperity through skills development and a lasting contribution to the local economy.
Decommissioning works include ensuring that the buildings are safer and less visually obstructive
Costain will manage the deconstruction and partial reduction in the height of the power station’s two reactor buildings from approximately 54m to 25m, lessening their visual impact to local communities. Costain will also deliver civils and remedial works to ensure that the buildings are in a safe and stable configuration for the commencement of subsequent decommissioning activity on the site.
Enabling works already carried out by Costain include installing new capping roofs, de-planting the primary boiler sections and rerouting electrical supplies to prepare the buildings for partial demolition.
Continuing Costain’s partnership with NRS
“This is a pivotal moment for Trawsfynydd. After years of careful planning and preparation, we’re now moving into the delivery phase of one of the most complex and ambitious decommissioning projects in the UK. We’re delighted to be working with our supply chain partners to shape this next stage in the site’s journey, ensuring the work is undertaken safely, securely and sustainably for all our futures,” said Rob Fletcher, chief executive officer at NRS.
Costain is also working with NRS (formerly Magnox) on a six-year decommissioning programme across 11 UK sites, and delivering decommission and asset care work for Sellafield as part of the Decommissioning Delivery Partnership.
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