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PROCUREMENT OPPORTUNITY

Preliminary Market Engagement - MBGWS Boxes

Sellafield Limited · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 1 Oct 2026, 07:50.

Opportunity overview

This notice builds on the previous Preliminary Market Engagement (UK2 Notice reference: 004728-2026), published on 20 January 2026, which sought to assess supplier capability and market interest in the manufacture and supply of Miscellaneous Beta Gamma Waste (MBGW) Boxes. That engagement demonstrated a strong level of market interest and identified a number of capable suppliers. Sellafield Ltd is now undertaking a further phase of market engagement to refine its understanding of supplier capacity, mobilisation requirements, and commercial considerations in advance of finalising the procurement strategy. The current preferred delivery model is for the full assembly of MBGW Boxes by a single supplier. This engagement is intended to gather targeted feedback to validate this approach and inform the design of the forthcoming procurement. The requirement is expected to include the manufacture, assembly, testing, and delivery of Miscellaneous Beta Gamma Waste (MBGW) Boxes in accordance with Sellafield Ltd specifications and requirements. The anticipated demand profile remains within a range of approximately 11 to 33 units per annum, subject to confirmation. PLEASE NOTE THIS IS NOT A CALL FOR COMPETITION

Classification

  • CPV14622000 — Steel
  • CPV90521520 — Packaging of intermediate level nuclear waste

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
C31446
Main Procurement Category
goods
Above Threshold
Yes
Status
planned

Legal basis

Id
2023/54
Scheme
UKPGA

Communication

Future Notice Date
1 Nov 2026, 23:59

Lots and requirements

Entry 1
Id
1
Status
planned

Suitability

Sme
Yes

Contract period

Starts
1 Oct 2028, 00:00
Ends
30 Sept 2033, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
90521520
Description
Packaging of intermediate level nuclear waste
Entry 2
Scheme
CPV
Id
14622000
Description
Steel

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
Responding to the Expression of Interest To respond to this expression of interest, interested parties should respond in the Nuclear Decommissioning Authority (NDA) tendering portal Atamis https://atamis-2464.my.site.com/s/Welcome To access Click on View our Live Opportunities and search for C31446. Purpose of Engagement Sellafield Ltd is seeking to: -Confirm the attractiveness of a full assembly (single supplier) delivery model -Understand supplier mobilisation requirements and constraints -Assess whether proposed delivery timelines are achievable -Validate whether the anticipated volume range is commercially attractive Suppliers are invited to provide responses to the following questions: 1. Full Assembly Model Based on the information available, would your organisation consider a full assembly (single supplier) model to be an attractive opportunity? Please set out any conditions or factors that would influence your interest. 2. Mobilisation Period What mobilisation period would your organisation typically require for a requirement of this nature? Please outline the key activities that would drive this timeline (e.g. tooling, design validation, supply chain, recruitment, approvals). 3. 18-Month Mobilisation Feasibility Do you consider an 18-month mobilisation period to be sufficient to establish capability and commence compliant production? Please provide supporting rationale. If not, please indicate what mobilisation period you would consider achievable. 4. Volume and Demand Profile Is the anticipated volume range (circa 11–33 units per annum) considered commercially attractive? Please provide any comments on minimum viable volumes, batching, or production considerations. 5. Product Introduction Approach and Experience What experience does your organisation have in introducing new or technically complex products into production? Please outline any structured approaches or methodologies (e.g. New Product Introduction (NPI), Advanced Product Quality Planning (APQP), or similar) that you typically use, and how these support mobilisation and transition into production. 6. Additional Comments Please provide any additional observations that may help inform the procurement strategy, including risk areas or key considerations. Interested parties should respond to this by 12 June 2026.
Due
12 Jun 2026, 23:59
Status
scheduled

Documents

Entry 1
Id
050919-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
29 May 2026, 15:04
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Sellafield Limited
Id
GB-PPON-PWYP-8439-MZWY

Identifier

Scheme
GB-PPON
Id
PWYP-8439-MZWY

Address

Street Address
Hinton House, Birchwood Park Avenue
Locality
Warrington
Postal Code
WA3 6GR
Country
GB
Country Name
United Kingdom
Region
UKD61

Contact

Name
Karolina Kosik

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government

Recorded locations

  • Buyer location · Warrington · UKD61 · WA3 6GR · United Kingdom
  • Delivery location · UK · United Kingdom

Notice and amendment history

2 published notice versions reviewed by ProcuraAxis.

2 VERSIONS
  1. 004721-2026Pipeline notice on Find a Tender ·
  2. 050919-2026Preliminary market engagement notice on Find a Tender ·