Source: https://tendernation.io/opportunities/01a13ba5-720a-7091-a77a-2f566ff8d562/h3at-process-services [Skip to main content](#main-content) closedGBopen procedure # H3AT Process Services [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) Estimated value £1,500,000 to £2,000,000 Published 9 May 2024 Deadline Closed 10 Jun 2024 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender The United Kingdom Atomic Energy Authority (UKAEA) requirement is for the procurement of a process services system for the Hydrogen 3 Advanced Technology (H3AT) facility at Culham. Included is the supply of Demineralised Water, Breathable Air Supply, Plant Air Supply, Compressed Gas Supply, Specialist Gas Compound with Segregation. Scope - The contractor will be responsible for the design, manufacture, assembly, Factory Acceptance Testing, delivery and installation, Operating Qualification, Site Acceptance Testing (SAT), handover, conformity assessment and support for all the installed equipment and pipework required. Duration and Contract - The scope of work is expected to be delivered by March 2026, with an estimated duration of 23 months. The proposed form of contract is the NEC4 Engineering Construction Contract (ECC) Option A, for a fixed price. There may also be the need for additional ad hoc work not defined within the Scope of Works, which will be reimbursed for which bidders are asked to provide a schedule of rates. Design - The Contractor is fully responsible for the design of the entire system. The Contractor will be responsible for the concept design, preliminary and detailed design of the system. The Contractor will be responsible for obtaining UKAEA approval for the design in all phases, ensuring that the design meets all safety and quality standards. Manufacturing, Installation & Testing, Delivery, Commissioning - For all the items that require manufacture and assembly, the Contractor shall undertake Factory Acceptance Testing to demonstrate the functionality. Engineering Support - The Contractor is responsible for completing all the required tests for all process services items according to the Inspection and Test Plan (ITP), providing test reports, including Site Acceptance Test (SAT) and Operating Qualification (OQ), that are approved by the UKAEA. Read full description ## CPV classification Water demineralisation services Source Contracts Finder (UK) [View official notice ](https://www.contractsfinder.service.gov.uk/notice/3193dcd8-6d99-414c-ac53-da03708cb190) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free ](/register) [Buyer profileUnited Kingdom Atomic Energy Authority: past awards and live tenders](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority)[SectorMore Public utilities tenders](https://tendernation.io/sectors/public-utilities) ## More tenders like this [Drinking-water distribution – Ondersteuning onderhoud en storingsdienst met inzet bemand materieel, zuigwagens en stratenmakers werkzaamheden Dunea N.V. 51 days left 7 Dec 2026](https://tendernation.io/opportunities/01a14210-974f-7043-afa5-d3fc6d66d5bf/netherlands-drinking-water-distribution-ondersteuning-onderhoud-en-storingsd)[Electricity distribution – Fornecimento de Energia Elétrica e respetivos serviços de ativação de alimentações eventuais do Município de Lisboa em Regime de Mercado Livre Município de Lisboa 32 days left 18 Nov 2026](https://tendernation.io/opportunities/01a14210-8d80-703f-b31f-1cb6bd5d3155/portugal-electricity-distribution-fornecimento-de-energia-eletrica-e-respeti)[Electricity distribution – maitrise d’œuvre POUR LES travaux d’enfouissement des reseaux de distribution public d’electricite Territoire d'Energie Alsace 45 days left 1 Dec 2026](https://tendernation.io/opportunities/01a14210-b6d8-72d7-8177-0c43cc986bb5/france-electricity-distribution-maitrise-doeuvre-pour-les-travaux-denfouiss)[Water distribution and related services – „Modernizacja systemu zaopatrzenia w wodę na terenie Gminy Szumowo” Gmina Szumowo 34 days left 20 Nov 2026](https://tendernation.io/opportunities/01a14210-611e-7145-971a-5ca14b528026/poland-water-distribution-and-related-services-modernizacja-systemu-zaopatr)[Lamp column electric vehicle charge points for Camden and Islington London Borough of Camden 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a1434d-57e0-718a-a259-c588658237c8/lamp-column-electric-vehicle-charge-points-for-camden-and-islington)[Tender for the Provision of Electricity & Gas Meter Operator Provider (MOP) Services and Data Collector/Aggregator (DCDA) Services Dundee City Council 34 days left 20 Nov 2026](https://tendernation.io/opportunities/01a1404a-e1d0-7068-b5dd-dc288ce3840b/tender-for-the-provision-of-electricity-gas-meter-operator-provider-mop-serv)