Reactor Buildings Height Reduction (EXECUTION phase)
Details
- Supplier(s)
- COSTAIN GROUP PLC
- Value
- £71,813,292
- Duration
- 4 years
- Topic
- Construction work
- Published
- 7 October 2025
- Source
- uk:contracts_finder
Tender description
The existing Reactor Buildings at Trawsfynydd are now life expired and require works to mitigate against further degradation, thus ensuring they remain safe and compliant for subsequent decommissioning activities. In addition there are long term commitments through the Town and Country Planning process to reduce the visual impact the buildings currently have on the landscape within the Snowdonia National Park. The Height Reduction project has therefore been implemented with the objective of reducing the height of both reactor buildings such that they are left in a safe and stable configuration for the next phase of works to decommission the Trawsfynydd site whilst significantly reducing ongoing asset investment demands. The reduction in height will also satisfy the requirements to lessen the visual impact the current full height buildings have within the Snowdonia National Park.
Timeline
- Completed: Award date6 October 2025
- Completed: Award published7 October 2025Current notice
- Next: Contract expiry date29 March 2029in 2 years
About the buyer
Nuclear Restoration Services Limited decommissions 14 former nuclear sites, from Sizewell A to Trawsfynydd. The Nuclear Decommissioning Authority owns the company and sets its group-wide commercial strategy. The company also runs its own framework agreements, covering scaffolding, lifting and characterisation services at its sites. Bidders for classified decommissioning work must also pass security clearance checks. A dedicated supply chain team handles questions and comments from prospective suppliers.
Over the past 5 years, most of Nuclear Restoration Services Limited's contract awards have been in architectural and engineering services, construction work and business services.
Decision makers
Connect with the people behind this procurement.
| Contact name | Job title | Phone number | Work email |
|---|---|---|---|
| Head of Procurement | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Commercial Director | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Procurement Manager | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Category Lead | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Senior Buyer | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Contracts Manager | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov |
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