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Sellafield Calder Primary Circuit

Nuclear Waste Services

This public procurement record has 1 release in its history.

Award

30 Jul 2026 at 11:12

Award Notice
Summary of the contracting process

Nuclear Waste Services procured radioactive waste treatment services for the management of waste generated from the Calder Hall Blower Houses. The requirement is described as the Sellafield Calder Primary Circuit and falls within the wider category of radioactive waste treatment, including handling and management of waste arising from nuclear site operations. Delivery is at Calder Bridge, Cumbria, at the Calder Hall site in the North West of England. The procurement is for services rather than goods or construction works. The service description states that there is no guaranteed volume of waste under the arrangement, so suppliers would need to accommodate variable demand while maintaining appropriate controls for radioactive waste management.

The procurement has been completed and awarded. Nuclear Waste Services used a selective call-off from a framework agreement, with bids due by 23 January 2026 at 12:00 UTC. Augean South Limited was awarded the contract on 31 July 2026 for £1,775,908.20, with the contract running from 31 July 2026 to 2 October 2031. The award is active and covers the Calder Hall Blower Houses waste-management service. The published procurement value and awarded value are both £1,775,908.20. The requirement was treated as a single service package, and the award information identifies Augean South Limited as the selected supplier. The process was evaluated through the framework call-off route.

This award demonstrates established demand from Nuclear Waste Services for specialist radioactive waste treatment linked to Sellafield’s Calder Hall facilities. A credible future competitor would need proven capability in the safe management, treatment and movement of radioactive waste, supported by robust nuclear-sector operating controls and compliance systems. Experience working in or around nuclear licensed sites would be particularly relevant, as would the capacity to manage variable waste volumes when the service does not guarantee a particular quantity. Suppliers would also need dependable environmental, health and safety, quality-assurance and traceability arrangements, together with the operational resilience to support a long-running site service. The requirement is suited to established specialist providers rather than SMEs or voluntary organisations.

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Notice Information

Notice Title

Sellafield Calder Primary Circuit

Notice Description

Management of waste generated from the Calder Hall Blower Houses. There is no guarantee of waste under this service.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-d0b63238-133d-4d46-8b8d-ec003d31ebeb
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/9a5e05f1-df4f-48fc-b82c-4599f8357693
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Call-off from a framework agreement
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

90521000 - Radioactive waste treatment services

Notice Value(s)

Tender Value
£1,775,908 £1M-£10M
Lots Value
Not specified
Awards Value
£1,775,908 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
30 Jul 20262 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
31 Jul 2026 - 2 Oct 2031 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Not Specified
Awards Status
Active
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Nuclear Waste Services
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
CALDER BRIDGE
Postcode
CA20 1DB
Postcode Area
Carlisle
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD1 Cumbria
Small Region (ITL 3)
TLD13 Cumberland
Delivery Location
TLD North West (England)
Local Authority
Cumberland
Electoral Ward
Gosforth
Westminster Constituency
Whitehaven and Workington

Supplier Information

Number of Suppliers
1
Supplier Name

Augean South Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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