Expired contract

Sellafield Skip Size Reduction Facility Enclosure

Details

Supplier(s)
Nuvia Ltd
Value
£116,700
Topic
Miscellaneous spare parts
Published
10 December 2025

Tender description

The enclosure will be utilised for removing Intermediate Level Waste (ILW) Pond Skips from PAC-TEK Bags and adding loose contamination Fixodent. The current Poly Vinyl Chloride (PVC) enclosure has an entry doorway from the Bulky Items Area and an exit doorway to the building door between the Bulky Items Area and Waste Sort Area, both features that need to be provided on the new enclosure. There is a roof opening/hatch to allow 3t Maintenance Crane access and a clear panel window for crane operator viewing which also need to be provided. On the current PVC enclosure, there is ventilation extract with HEPA Filtration but due to the current design of the enclosure, this system fails the Ventilation Technical Specialist Group (VTSG) testing. The new enclosure is required to pass the VTSG testing. VTSG’s test criteria for a C3 containment is an air tightness test with a minimum velocity of 0.5m/s measured at all points across the open ## Contract award

Timeline

  1. Completed: Award published10 December 2025
    Current notice
  2. Completed: Award date10 December 2025
  3. Completed: Contract expiry date9 January 2026

About the buyer

Sellafield Limited is a central government body and one of four component parts of the Nuclear Decommissioning Authority Group. The site's decommissioning programme ranks as the largest environmental restoration project in Europe. Major projects run through the Programme and Project Partners framework, a long-term supplier alliance. Decommissioning work is split among supplier alliances under the Decommissioning Delivery Partnership.

No preferred supplier list operates, so any supplier meeting the criteria can tender.

Over the past 5 years, most of Sellafield Limited's contract awards have been in IT services, architectural and engineering services and repair and maintenance.

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