Alternative Active Effluent Discharge Line Installation Works and Final Design
Details
- Supplier(s)
- COSTAIN GROUP PLC
- Value
- £9,458,845.02
- Duration
- 2 years
- Topic
- Construction work for pipelines, communication and power lines
- Published
- 5 November 2026
- Source
- uk:contracts_finder
Tender 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.
Timeline
- Completed: Award date19 October 2026
- Completed: Award published5 November 2026Current notice
- Next: Contract expiry date9 June 2028in 2 years
About the buyer
Nuclear Restoration Services Limited decommissions 14 former nuclear sites, from Sizewell A to Trawsfynydd. The Nuclear Decommissioning Authority owns the company and sets its group-wide commercial strategy. The company also runs its own framework agreements, covering scaffolding, lifting and characterisation services at its sites. Bidders for classified decommissioning work must also pass security clearance checks. A dedicated supply chain team handles questions and comments from prospective suppliers.
Over the past 5 years, most of Nuclear Restoration Services Limited's contract awards have been in architectural and engineering services, construction work and business services.
Decision makers
Connect with the people behind this procurement.
| Contact name | Job title | Phone number | Work email |
|---|---|---|---|
| Head of Procurement | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Commercial Director | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Procurement Manager | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Category Lead | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Senior Buyer | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov | |
| Contracts Manager | +44 •••• •••••• | ••••••••@nuclear-restoration-services-limited.gov |
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