Official UK procurement notice
Design, manufacture and delivery of cooling system for CHIMERA Magnets SAT (THOR)
Authority: UK Atomic Energy Authority (Central government)
What is being bought
Published requirement descriptionCHIMERA is a planned test rig that aims to replicate the conditions inside a nuclear fusion reactor, excluding the radiation component. Magnets (static and pulse/vertical field magnet) are to be installed as part of the first phase of CHIMERA’s installation (dubbed “THOR”). Cooling systems will need to be implemented to continually maintain four cryogenic compressors for the static magnet (SM), and to cool the VFM.
CPV: Construction work for cooling towers · Cooling-water pumps · Engineering design services · Installation work of cooling equipment · Recirculating coolers · Refrigeration coils · Water coolers
The lotProcurement structure
single lot · value publishedWhat it takes to wini
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Evaluation split and conditions of participation as published; the tender pack may add morei
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Lot awarding rule: 70% Technical Experience, Scheduling, and Social Value 30% Price
Procedure terms & legal framework
From the official record- Procedure method
- Below threshold - open competition
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Services
- Notice status
- Closed
- Procurement threshold
- Below threshold
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Competitive procedure
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 5 Jun 2026, 15:01 BST
- Last source update
- 3 Jul 2026, 14:43 BST
- Authority reference
T/22ZS/26- FTS notice number
2026/S 000-062864- Latest notice
- Tender notice (UK4)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-06aeeeFind a Tender
How it was run
Official notice- Submission deadline
- 31 Jul 2026, 12:00 BST
- Clarification deadline
- 21 Jul 2026, 12:00 BST
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
Timeline
5 Jun 2026 → 21 Aug 2026 · 7 dates- Planning notice published146 days ago5 Jun 2026, 15:01 BST
- Market engagement124 days ago26 Jun 2026, 23:59 BST
- Tender notice published118 days ago3 Jul 2026, 14:43 BST
- Next notice expected117 days ago3 Jul 2026, 23:59 BST
- Clarification questions by100 days ago21 Jul 2026, 12:00 BST
- Submission deadline90 days ago31 Jul 2026, 12:00 BST
- Contract starts69 days ago21 Aug 2026
Notice history
6 events · 2 releases on Find a Tender · since 5 Jun 2026- Preliminary market engagement notice published5 Jun 2026, 15:01 BSTUK2
- Tender notice published3 Jul 2026, 14:43 BSTUK4
- Published value updated to £105,0003 Jul 2026, 14:43 BSTwas £100,000
- Status changed to active3 Jul 2026, 14:43 BST
- Procurement method changed3 Jul 2026, 14:43 BST
- Deadline published: 31 Jul 2026, 12:00 BST3 Jul 2026, 14:43 BST
Contracting authority & participating public bodies
Official documents & specifications (2)
Official links; attachments are not copiedNotices published for this procedure
- Tender notice Tender notice on Find a Tender
- Preliminary market engagement notice Preliminary market engagement notice on Find a Tender