Services to support the National Rollout for establishing a waste management route for existing High Activity Sealed Sources (HASS) in the UK
The contract covers national services to establish a waste management route for existing Caesium-137 High Activity Sealed Sources (HASS) contained in irradiator units across the United Kingdom. The Nuclear Decommissioning Authority, the public body responsible for overseeing the UK’s nuclear decommissioning and radioactive waste management mission, intends to appoint a single supplier to support the national rollout of Operation Fieldfare. The supplier must provide an end-to-end, safe, secure and compliant service covering planning, site liaison, regulatory approvals, source recovery and dismantling, packaging, collection, transport, interim storage, processing, consignment documentation and return or delivery to a UK site designated by the Authority, including Sellafield where applicable. The estimated contract value is £23 million; the available tender information does not state the contract duration or a defined delivery region beyond locations across the UK. The critical qualification is the ability to manage Caesium-137 HASS in accordance with all applicable nuclear, radioactive waste, transport and regulatory requirements.
Buyer: Nuclear Decommissioning Authority. Source: Find a Tender. Updated 13 Oct 2026.
Key facts
- Estimated value: £23m
- Bids close: 10 Nov 2026
- Location: West Cumbria
- Procedure: Open procedure
- Contract period: 1 Dec 2026 to 30 Nov 2030
- Category: Collection of radioactive waste (90521100)
From the official notice
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.
View the official notice
Questions about this tender
When is the deadline?
Bids close on 10 Nov 2026.
What is it worth?
The estimated value is £23m.
Who can apply?
The buyer has marked it as suitable for small and medium-sized businesses.
How do I bid?
Open the official notice, register on the buyer's portal and submit your bid before the deadline.
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