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DNWP0037/LOT1B/ END STATES In Ground Mitigation / Tranche 4b remaining works

Sellafield Ltd

This public procurement record has 1 release in its history.

Award

15 Oct 2026 at 08:49

Award Notice
Summary of the contracting process

Sellafield commissioned remaining in-ground mitigation works for Tranche 4b, under the package titled “END STATES In Ground Mitigation”. The work is classified as ground investigation and falls within the works category. Delivery is associated with WA3 6GR and the North West of England. This is a site-based requirement for suppliers undertaking ground investigation and mitigation works; the published scope identifies the remaining works but gives no further task breakdown. The buying organisation is Sellafield, based in Warrington. The procurement concerns the completion of a defined tranche of in-ground work rather than a general supply of goods or ongoing service provision.

The procurement is complete and was awarded to AtkinsAltrad on 8 October 2026. The awarded contract value is £1,960,344.22. The contract period runs from 12 October 2026 to 30 September 2027. Sellafield used a selective procedure through a call-off from a framework agreement. The original tender deadline was 8 October 2026 at 12:00. The requirement is presented as one package of remaining Tranche 4b works, rather than separate lots. Small and medium-sized enterprises and voluntary, community and social enterprises were marked as unsuitable. The published procurement data does not set out evaluation criteria beyond the award outcome and route used.

For suppliers who did not win, this award demonstrates demand from Sellafield for substantial, site-based ground investigation and in-ground mitigation work to complete defined project tranches. A credible competitor for a comparable future requirement would need the technical capability and operational capacity to deliver investigation and mitigation works safely and reliably at a major industrial site, and to mobilise against a defined programme of remaining works. The selection of AtkinsAltrad provides evidence that a framework call-off is a route Sellafield uses for this type of work. The stated SME and VCSE suitability settings indicate that the opportunity was not considered suitable for those organisation types, so prospective competitors should be prepared to demonstrate the scale and delivery capability required for a sizeable works package.

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Notice Information

Notice Title

DNWP0037/LOT1B/ END STATES In Ground Mitigation / Tranche 4b remaining works

Notice Description

DNWP0037/LOT1B/ END STATES In Ground Mitigation / Tranche 4b remaining works

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-0f2ce9d5-e06c-422d-8c6b-428e5d79b08b
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/41a5bcb9-b204-4eba-b1fe-18c98152e245
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

45 - Construction work

CPV Codes

45111250 - Ground investigation work

Notice Value(s)

Tender Value
£1,960,344 £1M-£10M
Lots Value
Not specified
Awards Value
£1,960,344 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
15 Oct 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
8 Oct 20262 weeks ago
Contract Period
12 Oct 2026 - 30 Sep 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
WARRINGTON
Postcode
WA3 6GR
Postcode Area
Warrington
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
TLD North West (England)
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

AtkinsAltrad

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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