Alternative Active Effluent Discharge Line Installation Works and Final Design
Reference ocds-b5fd17-faa7bd2f-9a0d-44d5-a61c-5939299f7835 · Nuclear Restoration Services
Awarded to Costain Limited for £9,458,845.
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Amounts and figures
Description
The Cooling water system at NRS Hunterston B site is no longer required for any cooling function. Therefore, the intention is to remove the Cooling Water pumps and there is a requirement to provide Alternative Active Effluent Discharge Lines (AAEDL) to the sea discharge point. This contract is for final concept design services and the marine installation of new pipe, valve and other minor works for the AAEDL seaward side, at the Hunterston B Nuclear site. This is to include: - End of line isolation and backflow protection - Culvert fixings - Pipe fitting and valve repair/replacement/installation - Pressure testing and maintenance strategy - Any required pre-works The Contract has been awarded via Mini-Competition under the NRS Decommissioning and Asbestos Removal (DAR) Framework Lot 1 - conventional deplanting, asbestos removal and demolition.
Awards
| Awarded to | Amount | Date |
|---|---|---|
| Costain Limited | £9,458,845 | 23 September 2026 |
Official publications
| Medium | Reference | Date |
|---|---|---|
| FTS | 21f8629d-c739-4679-bc17-65fd0dbaf55e-920742 | 5 November 2026 |
| Contracts Finder | 21f8629d-c739-4679-bc17-65fd0dbaf55e-920742 | 5 November 2026 |
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Frequently asked questions
- What is the deadline to bid for this tender?
- The submission deadline is 18 August 2026, 12:00. Check the official source, as dates can be modified.
- What is the estimated value of this tender?
- The estimated value published by the buyer is £9,458,845.
- Who is the buyer of this tender?
- The contracting authority is Nuclear Restoration Services (United Kingdom).
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