# HEx1 Phase 1A - Define

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Sellafield Ltd](/buyers/sellafield-ltd/contract-awards)
- Contract winner: [AtkinsRealis](/contract-winners/atkinsrealis/public-sector-contract-awards)
- Award value: £2,913,847
- Tender value: £4,000,000
- Award date: 19 November 2025
- Published: 8 December 2025
- Contract start: 19 November 2025
- Contract end: 3 May 2027
- Stage: awarded
- Procurement category: services
- Notice ID: 6fc42b82-9a81-465c-8a84-e188d800a9f1-875020
- OCID: ocds-b5fd17-14a20e50-aef8-4283-a6fd-f626a47fee36

## 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\.

## Related contract awards

- [DNWP0032/LOT1B/ Lot 1B - Management \(Core Team\) FY 26/27](/contracts/ocds-b5fd17-fffa34b1-76f4-49d8-8673-d90e9fe92f69): Sellafield Ltd
- [Employee Training Content Subscription](/contracts/ocds-b5fd17-d922d049-60ba-4adb-970f-8c8260df0f27): Sellafield Ltd
- [DNWP0019/LOT1B/ WAGR / PIE ILW - Detailed Design](/contracts/ocds-b5fd17-558d7ec4-e768-4d6b-bcea-fe3a6571f542): Sellafield Ltd
- [Project Management and Multidiscipline Design Services](/contracts/ocds-b5fd17-c3a27cc7-9ebc-4020-a568-a6aa69dfb7cc): Tyne Coast College
- [2025-104 Major Projects Cost Assessment](/contracts/ocds-b5fd17-714a73d8-bf48-4d45-a1a6-f6d2714f1a5e): PROACTIS TENDERS LIMITED
- [YNE-MMF-DA-Bolton Ings](/contracts/ocds-b5fd17-60431925-4d96-4209-81ab-79e3143a484c): DEFRA

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/6fc42b82-9a81-465c-8a84-e188d800a9f1-875020)