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PROJECT / HEATHROW AIRPORT, TERMINAL 2, LONDON, UK

A bespoke control programme, created by studioFRACTAL to operate the natural and artificial roof lighting, produces a stimulating airport terminal experience, transforming the roof into rolling waves of soft colour, creating a unique backdrop for the entire departures level.

reduces contrast from daylight and also provides a night-time roof lighting effect that emphasised the undulating roof profile. The combined effects from natural and artificial lighting creates a uniquely memorable airport terminal experience. The lighting equipment and associated bracket and diffuser assembly had to be positioned within the roof void directly under the rooflights – but also had to be concealed such that only the overall lighting effect was visible. All elements needed to provide sufficient adjustability to accommodate the undulating curvature of the roof – but also provided access for maintenance and

removal if required. Given the undulating roof geometry, the roof lighting also had to be aimed to suit each roof bay. studioFRACTAL created a series of bespoke, adjustable mounting brackets and diffuser assemblies that would carry the RGB lighting systems within the roof voids – but also allow the fittings to be pulled up out of the roof void for maintenance. A number of design options were tested in the full size roof bay constructed off site – and the final design required precision manufacture, assembly and installation of some 1,856 bespoke sliding brackets and associated ‘shelf’ diffusers. studioFRACTAL created a bespoke

control programme to operate the roof lighting – and by significantly under-running the LED lighting components a life span in excess of 30 years is expected. With Pascall & Watson, studioFRACTAL reviewed the initial lighting proposals across the entire terminal interior. A lighting strategy was created that complemented the roof feature, delivering consistency in appearance to all the internal building elements and ensuring the most efficient installation was co-ordinated with a wide variety of architectural, structural and associated building services. All designs were tested and measured against Heathrow’s

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mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

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