MSSS Boxes Procurement

Sellafield LimitedcontractFind a Tender ↗Ref ocds-h6vhtk-0554ecProcurement Act 2023SME suitableactive

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Estimated value

£90.0m

goods

Awarded value

—

Suppliers

Lots

0 awarded

Published

22 May 2026

Description

Procurement for the manufacture and supply of MSSS (Magnox Swarf Storage Silo) Box assemblies. Please refer to Sections 1 & 2 of the ITT Template CFP Document for further information.

Scope

Reference: C26453 (Atamis Reference)
Total value: £90,000,000.01 excluding VAT
£108,000,000.01 including VAT
Above the relevant threshold
Commercial tool: Standalone contract
Contract dates: 25 Jul 2027 to 25 Jul 2034
Main category: goods
CPV classifications: 44613800
44400000
Contract locations: North West England, United Kingdom
Particular suitability: Small and medium-sized enterprises (SME)

Award criteria

Criteria the buyer will use to evaluate bids.

Name	Description	Type	Weighting
Technical	—	quality	69.00%
Pricing	—	cost	31.00%
Technical	See PSQ criteria in Folder 1 PSQ Instruction	quality	69.00%
pricing	—	price	31.00%
Lot 4 - TEST PURPOSES ONLY	—	cost	69.00%
Lot 4 - TEST PURPOSES ONLY	—	price	31.00%

Participation

Conditions suppliers must meet to bid.

See PSQ criteria in Folder 1 PSQ Instruction

See PSQ criteria in Folder 1 PSQ Instructions

Lot 4 - TEST PURPOSES ONLY

Submission & procedure

Enquiry deadline: 19 Jun 2026, 11:00 am
Submission address: All interested suppliers should register against Atamis Project C26453 where they will be able to access all the tender documentation, submit clarifications and submit their tender response. URL: https://atamis-2464.my.site.com/s/Welcome
Electronic submission: Yes
Procedure: Competitive flexible procedure

Lots · 4 total

Divisions of the contract. Each lot can be awarded separately.

View all →

Lot	Title	Est. value	Status
1	Outer Box	£41.0m	active
2	MSSS - Skip	£32.0m	active
3	Box & Skip Lids	£17.0m	active
4	Lot 4 - TEST PURPOSES ONLY	£0.01	active