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  • Online Standards

    The requirement covers the provision of an online service to provide access to a range of engineering and technical information by the Participating Entities. The scope covers comprehensive and up-to-date online engineering, technical information and legislative change notification service. The…

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  • Lead Financing and Structuring Advisory Services

    Great British Nuclear (GBN) is an arm's length body that was set up with the aim of delivering the government's long-term nuclear programme. It is currently running a competitive tender to select up to two technology providers for the Small…

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  • D3300 Shaft Advanced Transition Works

    Description The purpose of the ATW is to prepare D1225 for the future construction of the D3300 Shaft Retrieval & Processing Facility. Nuclear Restoration Services Limited (Dounreay) have a key requirement for the transition phase works to D1225 to undertake…

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  • Silo Transition Works

    Description Nuclear Restoration Services Limited (Dounreay) has planned works to upgrade and remove redundant services (demolition works) to facilitate future construction, demobilise site and handover for main construction Total value (estimated) £2,200,000 excluding VAT£2,640,000 including VAT Contract dates (estimated) …

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  • Asset Management of Plant and Equipment for Shaft & Silo

    Description Nuclear Restoration Services Limited (Dounreay) have a requirement for asset management of plant and equipment incorporating storage and limited maintenance, within Shaft and Silo. Total value (estimated) £2,500,000 excluding VAT£3,000,000 including VAT Contract dates (estimated) 1 October 2026 to 30 September 20315 years

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  • Scientific and Technical Computing Framework

    The UKNNL is looking to establish an open framework for software solutions and hardware in support of technical and scientific computing applications. The envisaged scope of this framework will include: • Development of technical and or scientific software applications covering…

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  • Cementitious Powders 2026/27-2032

    Description Supply and deliver Cementitious Powders (ordinary portland cement (OPC) and Pulverised fuel ash (PFA) to Low Level Waste Repository Ltd t/a Nuclear waste services, Cumbria and DSRL, Dounreay. Total value (estimated) £3,800,000 excluding VAT£4,560,000 including VAT Contract dates (estimated)…

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  • SMR Delivery Partner

    GBN's current strategic planning is that it requires a delivery partner to provide delivery and technical integration to the SMR project(s), including all sub-projects. The Delivery Partner will provide project delivery capability, co-ordination, interface management, management of project baselines (including…

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  • HALEU Deconversion Capability Research and Development Support 2025-2030

    HALEU Deconversion Capability Research and Development Support from 2025-2030. It is anticipated this contract is for the engineering support to design and build the HALEU Deconversion Capability. UKNNL reserves the right to amend and change this contract, including reserving the…

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  • ThermoChimie Phase 4 Support

    Framework to support the ThermoChimie Agreement Phase 4. The Framework shall have 3 Lots with a limited number of suppliers being awarded places on each Lot. Total value (estimated) £2,400,000 excluding VAT£2,880,000 including VAT Contract dates (estimated) 5 January 2026 to 31 December 20304 years, 11 months, 27 days

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