Official UK procurement notice
Silo Liquor Ion Exchange Treatment Feasibility Study
Authority: Nuclear Restoration Services Limited (Public body)
What is being bought
Published requirement descriptionThe Dounreay Wet Silo contains solids and sludges stored under water in a below ground vault, split into 2 hydraulically linked compartments. The volume of liquor is estimated to be between 150m3 – 200m3. NRS Dounreay is investigating an option to provide a modular liquor treatment capability using an Ion Exchange process.
This notice provides advanced information for the procurement of a proposed Feasibility Study consisting of the following aspects:
Provide consultation and support to Silo liquor sampling.
Use analytical data to develop a suitable ion exchange treatment process.
Perform (or direct) inactive and active liquor IX processing trials to underpin a ‘modular’ type treatment plant design.
Produce a feasibility report recording the development and proposals for the treatment plant, including an outline concept of the plant.
CPV: Technical services
The lotProcurement structure
single lot · value publishedLot #1RenewalPublished value£100,000
What 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: As per Tender Documentation.
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
- 15 Apr 2026, 15:42 BST
- Last source update
- 22 Jun 2026, 11:39 BST
- Authority reference
C30758- FTS notice number
2026/S 000-058422- Latest notice
- Tender notice (UK4)
- Classification (CPV)
- Delivery area
- Not published
- Official registry OCID
ocds-h6vhtk-068352Find a Tender
How it was run
Official notice- Submission deadline
- 14 Jul 2026, 17:00 BST
- Clarification deadline
- 30 Jun 2026, 17:00 BST
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
To obtain further information, including all documentation, please follow these steps:
- Log into the supplier portal at atamis-2464.my.site.com/s/Welcome ↗
- Locate the opportunity using 'Find Opportunities' or use ref C30758
Timeline
15 Apr 2026 → 3 Aug 2026 · 6 dates- Planning notice published188 days ago15 Apr 2026, 15:42 BST
- Next notice expected147 days ago25 May 2026, 23:59 BST
- Tender notice published120 days ago22 Jun 2026, 11:39 BST
- Clarification questions by112 days ago30 Jun 2026, 17:00 BST
- Submission deadline98 days ago14 Jul 2026, 17:00 BST
- Contract starts78 days ago3 Aug 2026, 00:00 BST
Notice history
5 events · 2 releases on Find a Tender · since 15 Apr 2026- Planned procurement notice published15 Apr 2026, 15:42 BSTUK3
- Tender notice published22 Jun 2026, 11:39 BSTUK4
- Published value published: £100,00022 Jun 2026, 11:39 BST
- Status changed to active22 Jun 2026, 11:39 BST
- Deadline moved to 14 Jul 2026, 17:00 BST22 Jun 2026, 11:39 BST+25 days · was 19 Jun 2026, 17:00 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
- Planned procurement notice Planned procurement notice on Find a Tender