Contracts FinderCall-off contract
Published 8 Dec 2025

Contracts Finder notice

HEx1 Phase 1A - Define

Authority: Sellafield Ltd

Call-off from a framework agreement
CPV: Design support services (79933000)
Published contract value£2,913,847Exc. VAT
Contract ends 3 May 2027
Awarded to AtkinsRealis
Contract starts 19 Nov 2025

What is being bought

Published requirement 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.

Published procurement details

Procedure
Call-off from a framework agreement
Buyer reference
CF-0265600D4L000000iAvzUAE
Category
Services
Tender status
Complete
Award status
Active
Suitable for SMEs
No
Suitable for voluntary, community and social enterprises
No
Published tender value
£4,000,000.00
Tender deadline
Procurement method
Selective
Item 1: Delivery locations as published
North West, United Kingdom

Key dates

Published dates
  1. Award decision
    19 Nov 2025
  2. Contract starts
    19 Nov 2025
  3. Notice published
    8 Dec 2025
  4. Contract ends
    3 May 2027

Contracting authority & participating public bodies

  • Sellafield LtdContracting authority Hinton House, Risley, WA3 6GR, GBContact name, email

Suppliers named on the notice

  • AtkinsRealisSupplier 500 aztec west, bristol, bs324rz

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Source record

Source
Contracts Finder
Notice language
en
Release reference
ocds-b5fd17-14a20e50-aef8-4283-a6fd-f626a47fee36-2025-12-08T13:34:55Z
Published
8 Dec 2025
Latest update
8 Dec 2025
Procedure reference
ocds-b5fd17-14a20e50-aef8-4283-a6fd-f626a47fee36
Contract reference
ocds-b5fd17-14a20e50-aef8-4283-a6fd-f626a47fee36-1