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Construction Contract Leads

Scope

Reference

C8489

Description

The Detailed Design, Manufacture, Test, Supply and Delivery of Nuclear Grade Air Filters, including High Efficiency Particulate Air (HEPA) Filters to the NDA Operating Companies; Sellafield Ltd, NRS and NRS Dounreay.

All HEPA Filter items produced must meet the relevant Sellafield Ltd specifications.

The items will be ordered as required as call off orders and there is no guarantee of volumes. There is a requirement for type testing across the goods specifications.

Full specifications and procurement documents for this tender are available to interested parties who register on Atamis project C8489, details on how to do this are contained within this notice.

A preliminary Market Engagement (UK2) Notice has not been issued ahead of this Tender (UK4) Notice, this is because a Prior Information Notice (PIN) was issued in January 2025 to inform the market of a Market Engagement Event that was held, a link to this notice is contained in the following link https://www.find-tender.service.gov.uk/Notice/001878-2025

The event was run in May 2025. A copy of the presentation slides delivered during this market engagement event have been uploaded into Atamis Project C8489, under the Documents Folder 0. Market Engagement.

Total value (estimated)

• £6,800,000 including VAT

Above the relevant threshold

Contract dates (estimated)

• 1 July 2027 to 30 June 2032
• 5 years

Main procurement category

Goods

CPV classifications

• 42514310 - Air filters

Contract locations

• UKD1 - Cumbria
• UKD61 - Warrington

Lot constraints

Maximum number of lots a supplier can be awarded: 1

Description of how multiple lots may be awarded:

Suppliers can submit a bid for both lots, however must state their lot preference and can only be awarded a maximum of 1 lot.

Lot 1. Lot 1

Description

Lot 1 - Smaller Basket comprising of the following items:

• Mini Pleat HEPA Filters. Unmodified. Type I & II

• Large Circular Filters (Internal and External Seal) stainless steel case

• Large Circular Filters (Internal Seal) PU case.

• In line canister filters (flanged) •

• Push through HEPA filters (stainless steel case)

Lot value (estimated)

• £270,000 excluding VAT
• £2,700,000 including VAT

Same for all lots

CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.

Lot 2. Lot 2

Description

Lot 2 - Larger Basket comprising of the following items:

• Deep pleat HEPA Filters (with and without features)

• Mini-pleat filters modified with lifting features & attachments

• Large Circular HEPA filters mild steel (Internal & external Seal)

• In line Canister HEPA Filters (screwed)

• In line Canister HEPA Filters (painted mild steel)

• Specialist HEPA Filters & accessories

• Small HEPA Filters

Lot value (estimated)

• £4,100,000 excluding VAT
• £4,100,000 including VAT

Same for all lots

CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.

Participation

Particular suitability

Lot 1. Lot 1

Lot 2. Lot 2

Small and medium-sized enterprises (SME)

Submission

Enquiry deadline

26 October 2026, 12:00pm

Submission type

Requests to participate

Deadline for requests to participate

26 October 2026, 12:00pm

Submission address and any special instructions

/

Tenders may be submitted electronically

Yes

Languages that may be used for submission

English

Award decision date (estimated)

8 January 2027

Recurring procurement

Publication date of next tender notice (estimated): 29 January 2027

Award criteria

Other information

Applicable trade agreements

• Government Procurement Agreement (GPA)

Conflicts assessment prepared/revised

Yes

Procedure

Procedure type

Competitive flexible procedure

Competitive flexible procedure description

Full details of the Competitive Flexible Procedure can be located within the ITT and corresponding tender documents.

Contracting authority

Sellafield Limited

• Public Procurement Organisation Number: PWYP-8439-MZWY

Hinton House, Birchwood Park Avenue

Warrington

WA3 6GR

United Kingdom

Contact name: Jasmine Lane

Email: jasmine.lane [at] sellafieldsites.com

Website:

Region: UKD61 - Warrington

Organisation type: Public authority - sub-central government