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Services to support the National Rollout for establishing a waste management route for existing High Activity Sealed Sources (HASS) in the UK

Nuclear Decommissioning Authority

Live
Confirmed tender
services
SME-friendly
VCSE-friendly
Framework agreement

Key details

Contracting authority
Nuclear Decommissioning Authority
Public authority - central government
Region
Cumbria
Delivery: United Kingdom, United Kingdom
Contract value
£23,000,000ex VAT
£27,600,000 inc VAT
Deadline
10 November 2026
Enquiry deadline
10 November 2026(questions / clarifications)
Award decision
24 November 2026(estimated)
Published
13 October 2026

Procurement

Contract period
1 December 2026 - 30 November 2030
4 years
Possible extension to 30 November 2031 · 4 years, 11 months in total
Extension terms: +12 Month extension upon approval from the Authority
Procedure type
Open procedure
CPV classifications
  • 90521100 Collection of radioactive waste
  • 90521400 Transport of radioactive waste
  • 90521200 Radioactive waste storage services
  • 90521300 Disposal of radioactive waste

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Description

Framework for the Provision of services to support the National Rollout for establishing a waste management route for existing High Activity Sealed Sources (HASS) in the UK.

The Nuclear Decommissioning Authority is seeking to appoint a single supplier to support delivery of the National Rollout of Operation Fieldfare. The services comprise the safe, secure and compliant collection, dismantling, transport, interim storage, processing and return of Caesium-137 High Activity Sealed Sources contained within irradiator units located across the United Kingdom. The supplier will be required to provide an end-to-end waste management solution, including all necessary planning, site liaison, regulatory approvals, transport arrangements, source recovery, packaging, consignment documentation and delivery of sources to a UK site designated by the Authority, including Sellafield where applicable.

How to engage

The NDA shall host a supplier engagement event on 26th August 2026, 10:00am to 12:00pm. This supplier event will be via a Microsoft Teams conference. To register an interest please sign into or register with Atamis our e-sourcing portal: https://atamis-2464.my.site.com/s/Welcome Use the messaging function within the Atamis project (C30687) to provide details of names and email addresses of attendees. Maximum of 2 staff per supplier. This call will provide suppliers with a high-level overview of the programme, the procurement’s objectives and key requirements, and act as an opportunity for suppliers to ask questions. There is the potential for supplier one-to-one sessions the following week 1st,2nd,3rd September.

Contact

Address
Herdus House Westlakes Science and Technology Park Moor Row, Cumbria, CA24 3HU
Contact name
Madeline Jones

Identifiers

Buyer reference
C30687
Notice ID
096573-2026
OCID
ocds-h6vhtk-067fff

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External ID: fts-ocds-h6vhtk-067fff • Added 30 July 2026