Prototype Fast Reactor Structural Verification Contract Awarded

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Published March 10th, 2026

Detected March 11th, 2026

Summary

Nuclear Restoration Services Limited has awarded a contract to Caithness Engineering Services for the structural verification of the Prototype Fast Reactor Turbine Hall and SGB steel frames. The contract is valued at £680,001 excluding VAT and aims to ensure the structural integrity for continued use.

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What changed

Nuclear Restoration Services Limited has awarded a contract valued at £680,001 (excluding VAT) to Caithness Engineering Services for the structural verification of the Prototype Fast Reactor Turbine Hall and SGB structural steel frames. This action is intended to close out actions from the Office for Nuclear Regulation (ONR) and will involve developing a methodology for necessary maintenance and repairs.

This notice serves as a contract award notice under the UK's Procurement Act 2023. While this is a procurement award and not a direct regulatory change for most entities, it highlights ongoing safety verification processes within the nuclear sector. Regulated entities involved in similar structural integrity assessments or maintenance planning should note the scope and value of such contracts.

Source document (simplified)

Award

Prototype Fast Reactor Structural Verification

Nuclear Restoration Services Limited UK6: Contract award notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2026/S 000-021574

Procurement identifier (OCID): ocds-h6vhtk-05e992 (view related notices)

Published 10 March 2026, 9:01pm

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Scope Contract 1. Prototype Fast Reactor Structural Verification Information about tenders Procedure Supplier Contracting authority

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Reference

C25536

Description

NRS Dounreay intend to award a Contract for the inspection, calculation and determination of the structural integrity of the PFR Turbine Hall and SGB structural steel frames to close out ONR Actions. The Contractor will provide a methodology for maintenance and repairs, if any, that are required to ensure both areas are suitable for continued use.

Contract 1. Prototype Fast Reactor Structural Verification

Supplier

Caithness Engineering Services

Contract value

£680,001 excluding VAT
£816,001.20 including VAT Above the relevant threshold

Award decision date

9 March 2026

Date assessment summaries were sent to tenderers

10 March 2026

Standstill period

End: 20 March 2026
8 working days

Earliest date the contract will be signed

23 March 2026

Contract dates (estimated)

23 March 2026 to 25 September 2026
6 months, 3 days

Main procurement category

Services

CPV classifications

Verification of load-bearing structure design services

Contract locations

UK - United Kingdom

Information about tenders

2 tenders received
2 tenders assessed in the final stage:
- 1 submitted by small and medium-sized enterprises (SME)
- 0 submitted by voluntary, community and social enterprises (VCSE)
1 supplier awarded contracts
1 supplier unsuccessful (details included for contracts over £5 million)