CSSF-002 - GDF Criticality Safety Methodology and Assessments

NUCLEAR WASTE SERVICES

This public procurement record has 1 release in its history.

Award

18 Jun 2026 at 15:50

Summary of the contracting process

The procurement process for the "CSSF-002 - GDF Criticality Safety Methodology and Assessments" has been completed by Nuclear Waste Services, based in Harwell, UK. This tender falls under the industry category of research services, classified with CPV code 73110000, and involves criticality safety assessments for 500-litre drums and Pressurised Water Reactor (PWR) spent fuel. The procurement method used was selective, as a call-off from a framework agreement. The contracting phase included a contract period from 29th May 2026 to 31st May 2026, with the award date being 20th May 2026. While the main delivery location is detailed as OX11 0GD in the UK, it encompasses other regions, including British Overseas Territories, Channel Islands, Europe, Isle of Man, and the Rest of the World.

This tender creates growth opportunities within the research services sector, specifically for businesses specialised in nuclear safety and criticality assessments. Companies like AMENTUM CLEAN ENERGY LIMITED and Galson Sciences Limited, which have been awarded contracts, are examples of organisations suited for such projects. Business growth can be achieved by offering innovative solutions and expertise in safety assessments for nuclear materials. This contract presents opportunities primarily to medium to large enterprises capable of adhering to the rigorous safety standards and technical requirements associated with nuclear waste management projects.

How relevant is this notice?

Notice Title

CSSF-002 - GDF Criticality Safety Methodology and Assessments

Notice Description

The scope of Phase 1 includes the delivery of: * Sub-task 1A: Criticality Safety Assessments for 500 litre drums * Sub-task 2A: Criticality Safety Assessments for Pressurised Water Reactor (PWR) Spent Fuel

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-80416bbd-3d0a-4a38-95ac-cd18934853e8
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/24f4be72-81eb-40ab-abf6-f70306009398
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

73 - Research and development services and related consultancy services


CPV Codes

73110000 - Research services

Notice Value(s)

Tender Value
£80,000 Under £100K
Lots Value
Not specified
Awards Value
£40,000 Under £100K
Contracts Value
Not specified

Notice Dates

Publication Date
18 Jun 20261 weeks ago
Submission Deadline
18 May 2026Expired
Future Notice Date
Not specified
Award Date
19 May 20261 months ago
Contract Period
28 May 2026 - 31 May 2026 30 days
Recurrence
Not specified

Notice Status

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

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
HARWELL
Postcode
OX11 0GD
Post Town
Oxford
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
Not specified

Local Authority
Vale of White Horse
Electoral Ward
Hendreds
Westminster Constituency
Didcot and Wantage

Supplier Information

Number of Suppliers
2
Supplier Names

AMENTUM CLEAN ENERGY

GALSON SCIENCES

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

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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