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SWTC Large Scale Lid Manufacture and Testing Regime

International Nuclear Services Ltd

This public procurement record has 2 releases in its history.

Award

16 Oct 2026 at 11:51

UK6 - Contract Award Notice
Award

16 Oct 2026 at 11:45

UK5 - Transparency Notice
Summary of the contracting process

International Nuclear Services Limited is buying the detailed design and manufacture of a bespoke, full-scale Dummy Lid Arrangement and Test Rig for the SWTC-255 lid sealing system. The work also includes an experimental testing programme, with test data, analysis and technical reports to validate the proposed seal and support development of the SWTC-255 transport package from technology readiness level 4 to level 5. This is a specialist nuclear transport engineering and testing requirement, including non-destructive testing services (CPV 71632200). The procurement is arranged as a single lot and is marked as suitable for small and medium-sized businesses. The buyer is based in Warrington; no delivery location is stated in the procurement details.

The procurement is complete and has been awarded to Nuvia Limited. The award is recorded as pending. The award value is £299,767 excluding VAT (£359,720.40 including VAT). The contract period runs from 29 October 2026 to 3 April 2028, with the award dated 15 October 2026. The procurement used a direct award, justified as novel goods and services for testing, research, development and experimentation. The requirement was evaluated as one lot; the available details do not set out separate scoring criteria. The award covers the full-scale test rig and associated experimental testing and technical outputs. A contract signature milestone was scheduled for 29 October 2026.

This award demonstrates demand from International Nuclear Services for bespoke, full-scale nuclear transport package testing, combining engineered test equipment with experimental validation and technical reporting. A credible competitor for a future requirement of this kind would need to design and manufacture specialist rigs and lid-sealing arrangements, plan and carry out controlled experimental tests, and deliver reliable test data, analysis and reports that support progression through technology readiness levels. The single-lot award bundles design, manufacture and testing, so suppliers would need the capacity to manage an integrated engineering and testing programme rather than supply a component alone. The buyer selected a supplier through direct award on the basis of the novel research, development and experimentation requirement; businesses should therefore be able to demonstrate relevant technical expertise and the ability to address a bespoke nuclear transport engineering problem.

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Notice Information

Notice Title

SWTC Large Scale Lid Manufacture and Testing Regime

Notice Description

The contract covers the detailed design and manufacture of a bespoke full-scale Dummy Lid Arrangement and Test Rig for the SWTC-255 lid sealing system. The supplier will undertake an experimental testing programme and provide the associated test data, analysis and technical reports to support development of the SWTC-255 transport package from TRL4 to TRL5.

Procurement Information

This requirement concerns the design and manufacture of a bespoke full-scale test rig and the conduct of an experimental test programme for the SWTC-255 lid sealing system. The purpose of the work is to generate test data, validate the proposed sealing arrangement and support the development of the SWTC-255 transport package from TRL4 to TRL5. The requirement therefore concerns the supply of novel goods and services for the purposes of testing, research, development and experimentation.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-078958
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/097869-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Direct
Procurement Method Details
Direct award
Tender Suitability
SME
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71632200 - Non-destructive testing services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£299,767 £100K-£500K
Contracts Value
Not specified

Notice Dates

Publication Date
16 Oct 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
15 Oct 20261 weeks ago
Contract Period
29 Oct 2026 - 3 Apr 2028 1-2 years
Recurrence
Not specified

Notice Status

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

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
International Nuclear Services 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
Not specified
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

Nuvia Limited

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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