Boeing Hangar

Boeing Hangar

This new development at Gatwick Airport comprises a new hangar structure with connecting support infrastructure and office facilities for the front-line maintenance of commercial aircraft produced by Boeing. The hangar is designed to house two Boeing 777x aircraft, which will be the biggest aircraft built by Boeing when it enters service over the next two years. The main contractor for the works was John Sisk & Son Ltd with an estimated contract value of approximately €100 million.

Boeing Hangar
Our Role

Our Role

ByrneLooby was initially commissioned in late 2017 to provide consultancy services in relation to the earthworks phase of the development. This remit was later expanded to include the design of below ground foam storage tanks, bearing piles and temporary works. The storage tanks were installed below ground and form part of the hangar’s fire suppression system. Following activation of this system the storage tanks will be used to store the waste foam pumped from the hangar area. Due to high groundwater, the design of the tanks needed to closely consider the potential for uplift of the tanks when empty. To remove the flotation risk the design incorporated a 400mm thick reinforced concrete base slab, with each tank tied to it using restraint straps. The total depth of excavation was in the order of 6.5m completed in open cut, for which ByrneLooby carried out stability checks and temporary works design.

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