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DNWP0071/LOT1A/CALDER Ring Fence

Sellafield Ltd

This public procurement record has 1 release in its history.

Award

14 Sep 2026 at 15:10

Award Notice
Summary of the contracting process

Sellafield Ltd procured decommissioning works under the requirement titled “DNWP0071/LOT1A/CALDER Ring Fence”. The work is classified as decommissioning services and is to be delivered in the North West of England, in the United Kingdom. This is a specialist industrial works requirement associated with the decommissioning of facilities or infrastructure within the Calder Ring Fence scope. The buying organisation is Sellafield Ltd, based in Whitehaven. The opportunity is relevant to businesses providing decommissioning, dismantling, site clearance or related specialist works in the nuclear or similarly regulated industrial environment, particularly those able to operate in the North West.

The procurement has been completed and awarded through a selective call-off from a framework agreement. The award was made to AMENTUM CLEAN ENERGY LIMITED on 14 September 2026, at a value of £478,696.66. The contract runs from 14 September 2026 to 14 May 2027. The underlying tender had a submission deadline of 26 August 2026 at 12:00. It was classified as works and evaluated through the framework call-off process. The award is active and covers the single Calder Ring Fence requirement. The published procurement value and awarded value are the same. Sellafield Ltd is the buyer and Amentum Clean Energy Limited is the selected supplier.

For suppliers that did not win this procurement, the award demonstrates Sellafield Ltd’s need for specialist decommissioning works delivered through an established framework route. A credible competitor for a comparable requirement would need demonstrable capability in complex industrial decommissioning, safe work planning, dismantling or clearance activities, and the ability to manage delivery within a controlled nuclear site environment. The stated suitability assessment indicates that the requirement was not aimed at SMEs or voluntary, community and social enterprises, so competitors should be structured and resourced for substantial, technically demanding works rather than small-scale general contracting. Framework membership or access to an eligible framework route would also be important.

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Notice Information

Notice Title

DNWP0071/LOT1A/CALDER Ring Fence

Notice Description

DNWP0071/LOT1A/CALDER Ring Fence

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-ea174094-ce1b-441d-9704-5702001ecdc6
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/30f2de24-e12f-49e3-ad1c-a792adb32048
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Framework
Procurement Category
Works
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

98 - Other community, social and personal services

CPV Codes

98391000 - Decommissioning services

Notice Value(s)

Tender Value
£478,696 £100K-£500K
Lots Value
Not specified
Awards Value
£478,696 £100K-£500K
Contracts Value
Not specified

Notice Dates

Publication Date
14 Sep 2026Yesterday
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
14 Sep 20262 days ago
Contract Period
14 Sep 2026 - 14 May 2027 6-12 months
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
Sellafield Ltd
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WHITEHAVEN
Postcode
CA28 7SJ
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
Kells and Sandwith
Westminster Constituency
Whitehaven and Workington

Supplier Information

Number of Suppliers
1
Supplier Name

Amec Nuclear UK 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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