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Tender: Operation Fieldfare: National Collection and Waste Management of Caesium‑137 High Activity Sealed Sources (HASS) in the UK

Released about 1 month ago

Closes10 Nov 2026

Likely valueRough estimate£2.0M to £40.0MInflation adjusted

LocationUnited Kingdom

AgencyNuclear Decommissioning Authority

SourceFind a Tender

CategoryEnergy & Environment

4 days leftCloses Tue, 10 Nov 2026

About

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

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3 new energy and environment tenders

Operation Fieldfare: National Collection and Waste Management of Caesium‑137 High Activity Sealed Sources (HASS) in the UKEnergy & Environment · Nuclear Decommissioning Authority · Closes 10 Nov 2026

Controlled Demolition of B55 Office Complex and B55.2 Turbine Hall – Sellafield (WAGR)Construction · Closes 10 Nov 2026

Civils Support Services for Nuclear Decommissioning – Welsh Region (Pre-Qualification)Construction · Closes 31 Aug 2028

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