Silo Liquor Ion Exchange Treatment Feasibility Study

Nuclear Restoration Services Limited

Published: Apr 15, 2026

Updated: Jun 16, 2026

Source: uk_fts

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The submission deadline for this tender has passed. It is no longer accepting bids.

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About This Opportunity

Consulting tender: Silo Liquor Ion. From Nuclear Restoration Services Limited in United Kingdom, architecture & engineering. Submission deadline Jun 2026.

This is a consulting contract in the architecture and engineering and information and communication technology sectors, with a focus on Feasibility Studies. Located in United Kingdom, Europe, this opportunity is open to firms and consortiums. Proposals must be submitted before June 19, 2026.

Published through UK FTS - Find a Tender Service, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for consulting in the architecture and engineering sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. This is an advance notice — the formal tender is expected to be published shortly. Interested parties can use this time to prepare documentation and identify potential partners.

Description

The 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.

Data provenance

This notice is sourced from UK FTS - Find a Tender Service and was originally published on April 15, 2026. Last refreshed 9 days ago. Reference: 034341-2026. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About Nuclear Restoration Services Limited

Nuclear Restoration Services Limited has issued 241 procurement notices on BidsFactory, including 21 currently open and 192 awarded contracts. Activity concentrates in Governance & Public Administration, General Supplies & Services, and Energy & Power. All notices are published for United Kingdom. Notices are distributed via UK FTS - Find a Tender Service and UK Contracts Finder. Most recent publication: June 17, 2026.

Frequently asked questions about this tender

Where will the contract be performed?

The contract is for delivery in United Kingdom. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit UK FTS - Find a Tender Service to access the full notice, required documents, and submission instructions. Quote reference 034341-2026 when communicating with the contracting authority.

When does this tender close?

The submission deadline is June 19, 2026. Proposals must be received by the contracting authority before that date.

Who is the contracting authority?

This notice was issued by Nuclear Restoration Services Limited in United Kingdom. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Consulting contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.