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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

Issued by Nuclear Decommissioning Authority · via UK Find a Tender Service

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Published
28 Sept 2026
Closes
10 Nov 2026, 12:00 UTC
Value
GBP 23,000,000
Reference
C30687
Location
United Kingdom
Sector
Water & Environment
Type
services

Details

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.

Context for bidders

We hold 2 notices from Nuclear Decommissioning Authority, going back to September 2026 — 2 of them still open. They buy mostly in Education & Training and Water & Environment. There are 165 open Water & Environment tenders in United Kingdom. This one closes in 43 days.

Documents

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this water & environment opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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