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The scope includes type testing arrangements of the HEPA Filters. There are 14 type tests required to be carried out for the filters. HEPA filters and filter inserts must be Type Tested in accordance with Engineering Standard ES_0_1705_2 and allocated a type approval registration number. Only products with a type approval registration number shall be specified for use on a UK Nuclear Licensed Site. 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"015309-2025", "releaseDate": "2025-04-15T15:23:10+01:00", "releaseTag": [ "planning" ], "value": "engagement" } ], "description": [ { "releaseID": "015309-2025", "releaseDate": "2025-04-15T15:23:10+01:00", "releaseTag": [ "planning" ], "value": "The NDA Group; Sellafield, NRS and NRS Dounreay are planning to hold a Market Engagement online Webinar for HEPA Filters for all interested parties on Tuesday 6th May 2025 10:00 - 11:00 (UK Time). To confirm your interest in this opportunity if your company would like to join the webinar please email Clare Hastings at clare.e.hastings@sellafieldsites.com and you will be issued with the webinar online link. Thank you, Jasmine Lane (HEPA Filters Procurement Lead)" }, { "releaseID": "043551-2026", "releaseDate": "2026-05-12T15:28:11+01:00", "releaseTag": [ "planning" ], "value": "Prior to the publication of the forthcoming HEPA Filters Tender, Sellafield Ltd is reviewing the initially proposed procurement strategy and the market feedback received during earlier market engagement activities. \nThis review is being undertaken to ensure that the procurement approach taken is appropriate for both the supply market and The NDA Group Operating Companies.\nAs part of this process, Sellafield Ltd is seeking to re-engage with the market to validate and further understand supplier views on specific elements of the proposed strategy. \nIn particular, feedback is invited on the following areas:\n1. Contracting Strategy\nSupplier views are requested on the suitability and viability of a dual source contracting model (i.e. the appointment of two suppliers) for the scope of HEPA Filters.\n2. Proposed Lotting Structure\nSupplier feedback is requested on the following indicative lotting structure, should a two supplier model be adopted:\nLot 1 – Smaller Basket, comprising:\n• Mini Pleat HEPA Filters. Unmodified. Type I & II\n• Large Circular Filters (Internal and External Seal) stainless steel case. \n• Large Circular Filters (Internal Seal) PU case.\n• In line canister filters (flanged)\n• Push through filters (stainless steel case)\nLot 2 – Larger Basket, comprising:\n• Deep pleat HEPA Filters (with and without features)\n• Mini-pleat filters modified with lifting features & attachments\n• Large Circular HEPA filters (Internal and external Seal) mild steel casing.\n• In line Canister HEPA Filters (screwed)\n• Push through filters (mild steel and PU case)\n• Specialist HEPA Filters & accessories\n• Small HEPA Filters\nResponses to this market engagement will help inform Sellafield Ltd’s ongoing strategy development. 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The NDA Group consists of 3 operating companies; Sellafield Limited (SL), Nuclear Restoration Services (NRS) and Nuclear Restoration Services Dounreay (NRS Dounreay). The scope includes type testing arrangements of the HEPA Filters. There are 14 type tests required to be carried out for the filters. HEPA filters and filter inserts must be Type Tested in accordance with Engineering Standard ES_0_1705_2 and allocated a type approval registration number. Only products with a type approval registration number shall be specified for use on a UK Nuclear Licensed Site. There are currently c180 HEPA filters and products that will form part of this entire scope." }, { "releaseID": "034231-2026", "releaseDate": "2026-04-15T13:55:18+01:00", "releaseTag": [ "planning" ], "value": "The Detailed Design, Manufacture, Test, Supply and Delivery of Nuclear Grade Air Filters, including High Efficiency Particulate Air (HEPA) Filters to the NDA Participating Entities (PEs)" }, { "releaseID": "043551-2026", "releaseDate": "2026-05-12T15:28:11+01:00", "releaseTag": [ "planning" ], "value": "The Detailed Design, Manufacture, Test, Supply and Delivery of Nuclear Grade Air Filters, including High Efficiency Particulate Air (HEPA) Filters to the NDA Group" } ], "items": [ { "id": "1", "additionalClassifications": [ { "releaseID": "015309-2025", "releaseDate": "2025-04-15T15:23:10+01:00", "releaseTag": [ "planning" ], "value": [ { "scheme": "CPV", "id": "42514310", "description": "Air filters" } ] } ], "relatedLot": [ { "releaseID": "015309-2025", "releaseDate": 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