Lead Lithium Eutectic Alloy Mini Experimental Loop

Official notice

Authority: UK Atomic Energy Authority (Public body)

Direct award

Sectors: Industrial machinery (42)Research & Development (R&D) (73) Delivery: UK

Awarded value£291,160published award · exc. VAT

Award in standstill Not publishedno call for competition

Award (standstill) to TSM Engineering

What is being bought

Published requirement description

Electromagnetic Pump PMP400-270 PbLi - 550ºC T.max.

Flowmeter & Throttle Valve 600ºC T.max - including dummy spool piece for use

during build of loop and acceptance tests, prior to delivery of flowmeter (predicted

early March 2026). Customised calibration included.

By-pass loop including 2nd Flowmeter.

We shall design using recommended maximum system failure rates per Lee

Cadwallader, Idaho National Laboratory - Reliability and Maintainability Data for

Lead Lithium Cooling Systems.

The lotProcurement structure

single lot · no lot value published

Lot #1Awarded

Delivery: UK

42152000 Parts of nuclear reactors 73210000 Research consultancy services

Procedure terms & legal framework

From the official record

Procedure method: Direct award
Legal basis: UKPGA · 2023/54 Procurement Act 2023
Notice status: Awarded without competition
Procurement threshold: Unspecified in notice
Regulatory regime: Standard
Commercial structure: Stand-alone contract (no framework)
Competition type: Direct award (no call for competition)
GPA / WTO covered: Unspecified in notice
Recurring procurement: Unspecified in notice
First published: 5 Feb 2026, 12:10 GMT
Last source update: 5 Feb 2026, 12:10 GMT
FTS notice number: 2026/S 000-010424
Latest notice: Transparency notice (UK5)
Delivery area: UK
Official registry OCID: ocds-h6vhtk-0648c9 Find a Tender

Why no open competition: Single Suppliers Technical Reasons; Urgency
Published justification: the manufacture and testing of prototypes

Notice history

2 events · 1 release on Find a Tender · since 5 Feb 2026

Transparency notice published
5 Feb 2026, 12:10 GMT
UK5
Contract signature expected
5 Feb 2026, 23:59 GMT
scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast

Awards 1some still in standstill

Awarded value £291,1601 award exc. VAT

Awarded to	Value	Date	Status
TSM Engineering5 Feb 2026 – 31 Mar 2026	£291,160	—	Standstill

Contracting authority & participating public bodies

UK Atomic Energy Authority

Contracting authorityPublic authority - central government GB-PPON: PLJV-1169-JTDD Culham Science Centre, UK Atomic Energy Authority, Oxfordshire, South East, OX14 3DBContact email

Bidders & participating suppliers

1 commercial party on the notice

TSM EngineeringAwarded supplierGB-COH: 08011752GB-PPON: 08011752 163 Brook Drive, Abingdon, South East, OX14 4SDContact email

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Transparency notice awardTransparency noticeUK5Transparency notice on Find a Tender5 Feb 2026, 12:10 GMT