Scope
Reference
NNLC382
Description
UKNNL is in collaboration with Westinghouse on Springfields Fuels (SFL) site in the development and substantiation of a commercial scale process for the manufacture of fuel salt for the Integral Molten Salt Reactor (IMSR) for a client. As part of the customer requirements, the fuel salt material must be provided to a set specification. UKNNL are seeking support to develop a proven methodology and instrument for measurement of the UF3/UF4 ratio that could then be utilised by UKNNL staff for the purposes of supporting the delivery of the fuel salt product to the client.
Total value (estimated)
- £150,000 excluding VAT
- £180,000 including VAT
Below the relevant threshold
Contract dates (estimated)
- 15 January 2026 to 15 January 2027
- 1 year, 1 day
Main procurement category
Services
Additional procurement category
Goods
CPV classifications
- 09340000 - Nuclear fuels
- 38940000 - Nuclear evaluation instruments
- 42151000 - Nuclear reactors
- 71621000 - Technical analysis or consultancy services
Contract locations
- UK - United Kingdom
- UKD - North West (England)
Engagement
Engagement deadline
7 November 2025
Engagement process description
Please respond by the deadline of 5pm 7th November 2025 by completing and returning the RFI document as per the instructions in the below link. The RFI document and specification are available to download at this address, please sign up to the CTM tendering portal if you have not already: https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=99345&B=
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Publication date of tender notice (estimated)
28 November 2025
Contracting authority
United Kingdom National Nuclear Laboratory
- Public Procurement Organisation Number: PVXT-8784-YGNV
Chadwick House, Birchwood Park
Warrington
WA3 6AE
United Kingdom
Contact name: David Brown
Telephone: +44 7801216674
Email: david.brown@uknnl.com
Website: https://www.nnl.co.uk/
Region: UKD61 - Warrington
Organisation type: Public authority - sub-central government