A new deepwater terminal for cruise ships is currently under construction. Named the Belfast Harbour D3 Berth Development, the work is being undertaken by Graham Construction, based in Hillsborough, County Down.
This significant marine infrastructure scheme involves the construction of a new combi wall quay structure, formed using over 100 driven tubular piles, ranging from 30 to 40 metres in length and 1,829mm in diameter.
To deliver this phase of the work, Graham has appointed Bauer Technologies to provide specialist support, focusing on delivering relief drilling operations to facilitate the successful installation of the tubular piles to their required design depths. Working in close collaboration with Graham, Bauer has drawn on previous project experience, in-house expert tool manufacturing, and lessons learned during a test piling phase in November 2025, to refine and enhance its approach.
Central to this development is the introduction of a newly engineered reaming tool, designed specifically to carry out relief drilling at a slightly larger diameter than the driven piles. This innovation is expected to significantly improve installation efficiency and reduce potential obstructions during piling operations, supporting a smoother and more reliable construction process.
The project will also include a later phase involving the installation of 24 dolphin piles, with works undertaken from a jack-up barge, further demonstrating the technical complexity and marine engineering expertise required across the scheme.
Commenting on the project, Bauer Technologies’ managing director, John Theos, said: “Schemes like this highlight the value of early collaboration and applying lessons learned to refine delivery on site. It also demonstrates how Bauer leverages its global network to adapt and deploy proven solutions, including tooling successfully used on projects in Eastern Europe.
“The development of the reaming solution is a good example of how targeted innovation can improve efficiency while supporting more sustainable outcomes, enabling the project team to retain the original design approach and maximise the use of existing materials.”
This project highlights Bauer Technologies’ capability to deliver innovative, practical solutions within complex marine environments, supporting major infrastructure developments while maintaining a clear commitment to efficiency, collaboration, and sustainable construction practices.
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