H3AT Process Services · UK public procurement notice

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, operational 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.