Planning

MSSS Boxes Procurement

  • Sellafield Limited

UK2: Preliminary market engagement notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2025/S 000-035846

Procurement identifier (OCID): ocds-h6vhtk-0554ec (view related notices)

Published 27 June 2025, 2:56pm



Scope

Reference

C26453 (Atamis Reference)

Description

Procurement for the MSSS (Magnox Swarf Storage Silo) Boxes

Total value (estimated)

  • £95,000,000 excluding VAT
  • £114,000,000 including VAT

Above the relevant threshold

Contract dates (estimated)

  • 2 April 2027 to 1 April 2032
  • 5 years

Main procurement category

Goods

CPV classifications

  • 44613800 - Containers for waste material
  • 44400000 - Miscellaneous fabricated products and related items

Contract locations

  • UKD11 - West Cumbria

Engagement

Engagement deadline

25 July 2025

Engagement process description

Sellafield will be hosting a webinar on the 17th July 2025 at 2pm to provide an overview of the upcoming MSSS (Magnox Swarf Storage Silo) Boxes procurement. Following the webinar, a questionnaire will be issued to suppliers via Atamis (Ref: C26453) to gain feedback on the proposed approach and to help inform the procurement strategy. Suppliers interested in attending the webinar on the 17th July 2025 should register their interest in Atamis under reference number C26453. Details in relation to the webinar will be released the week commencing the 14th July 2025. Responses to the questionnaire shall be submitted by 11am 25th July 2025.


Participation

Particular suitability

Small and medium-sized enterprises (SME)


Submission

Publication date of tender notice (estimated)

3 April 2026


Contracting authority

Sellafield Limited

  • Public Procurement Organisation Number: PWYP-8439-MZWY

Hinton House, Birchwood Park Avenue

Warrington

WA3 6GR

United Kingdom

Region: UKD61 - Warrington

Organisation type: Public authority - sub-central government