Awarded contract

HEx1 Phase 1A - Define

Details

Value
£2,913,847.08
Duration
1 year
Topic
Design support services
Published
8 December 2025

Tender description

The scope of the Phase 1A Define contract is to provide: Independent integration of the Phase 1A design for the Heat Exchanger lifting scheme and equipment including lifting collars and cradles; Ongoing support to Sellafield during the manufacturing phase, ultimately providing UKCA Marking, Declarations of Conformity and completed Technical File to the Employer on key products.

Timeline

  1. Completed: Award date19 November 2025
  2. Completed: Award published8 December 2025
    Current notice
  3. Next: Contract expiry date3 May 2027in 6 months

About the buyer

Sellafield Limited is a central government body and one of four component parts of the Nuclear Decommissioning Authority Group. The site's decommissioning programme ranks as the largest environmental restoration project in Europe. Major projects run through the Programme and Project Partners framework, a long-term supplier alliance. Decommissioning work is split among supplier alliances under the Decommissioning Delivery Partnership.

No preferred supplier list operates, so any supplier meeting the criteria can tender.

Over the past 5 years, most of Sellafield Limited's contract awards have been in IT services, architectural and engineering services and repair and maintenance.

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