modular & off-site construction
Offsite for airports
Dublin Airport used offsite construction to expand passenger boarding facilities achieving one of its fastest ever projects. Raymond Millar, construction director at The McAvoy Group, explains.
Dublin Airport is one of the fastest
growing airports in Europe. South Gates is a new €22m passenger boarding facility which has been developed to meet the huge growth in passenger numbers. It provides seven boarding gates to serve nine aircraft stands and can accommodate around 1,000 passengers at a time and up to 8,000 people a day. The dedicated passenger boarding zone
was constructed offsite by McAvoy to reduce the programme for earlier occupation in order to meet the rising demand for flights from the airport. The use of an offsite solution allowed the airport operations to continue uninterrupted, with the minimum disruption. It also allowed the fast-track programme for the project to be achieved.
Project challenges • Programme – the building had to be delivered to a critical and short programme to accommodate additional flights. It was operational within a 16-month planning, design and construction schedule
• A highly constrained site – the space for the new facility was restricted within the South Apron and the fully operational airport site
• Full integration of airport M&E services – all mechanical and electrical services – including data communications, fire and security – had to link into the existing live airport terminal systems, which was a hugely complex operation
THERE has been a surge in interest in offsite construction to support airport expansion as operators look for more innovative solutions to build new facilities. The benefits of offsite solutions are proven – reduced work on highly constrained, secure sites; shorter programmes; less disruption to airport operations, and greater certainty of delivery on time and on budget.
• Open plan environment – clear uninterrupted spans of over 19m were required for the 120m long facility. This was achieved by engineering the building modules to incorporate hot rolled structural steel beams which removed the requirement for internal columns – a modular industry first.
• Stringent fire safety standards – the scheme had to be designed to meet stringent fire safety regulations that exceeded Building Regulations.
• Enhanced acoustic specification – a specially-designed ceiling solution was developed using suspended panels in different shapes and orientations. This provides a high standard of acoustics and its chequerboard appearance has created a strong visual feature as well as a sense of space. “This is one of the fastest projects we
have ever completed at the airport – from planning to the first flight in just 18 months. We were working to a very constrained programme to have the building operational ahead of the busy summer season. The project and its innovative use of offsite construction is a fantastic achievement,” says Iain Heath, project manager at Dublin Airport. “We were impressed with how McAvoy
used BIM and virtual reality. As an airport we have a complex approvals process, but the digital techniques allowed the senior management team to ‘walk through’ the building and to experience the facility, which facilitated design sign off. In addition to the programme benefits, offsite construction also meant fewer trades working on site and a smaller site footprint. This approach had far less operational impact for the airport and the closure of fewer aircraft stands with reduced timeframes.”
www.mcavoygroup.com
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leisuredab.co.uk
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