Ventilation New-build case study
Getting on the air
...naturally
Broadcaster BSkyB’s new London base can boast the world’s first naturally ventilated television studios, whose concrete boxes within boxes offer an innovative solution to combat the influx of noise and heat. Andy Pearson reports
Nevertheless, located between the catering suppliers, bearing distributors and storage depots is BSkyB’s new broadcast facility. The satellite television company is known for its live sports coverage. It is less well-known for its environmental commitment; yet BSkyB has been carbon neutral since 2006, and it has committed to cut its CO2 emissions by 25% by 2020. Its new £250m production centre, Harlequin 1, is an important part of this plan. Designed by Arup Associates, the centre is currently being fitted out and is expected to be fully operational by 2012, using a third less energy than a conventional facility. As a result, the four-storey structure features all kinds of low carbon technologies, including: a biomass- fuelled combined cooling and heating plant (CCHP); heat-recovery systems on every possible application; wind turbines; and a rainwater-harvesting system for toilet flushing. But what makes this scheme different from any other TV production facility is that it houses the world’s first naturally ventilated television studios. ‘This is the first time a studio can be used for open-mic
A
recording while being naturally ventilated,’ says Mike Beaven, head of building services and environmental engineering at Arup Associates. There are good reasons why television studios are not
usually cooled using natural ventilation – the amount of heat generated by the studio lights means vast quantities of air are needed. And with the air comes another problem – the noise that is both generated by movement of the air itself and by break-in from outside the studios. It is a task made all the more challenging
www.cibsejournal.com
grim industrial estate in Osterley, West London, is not the most obvious location for a building claimed to set an international benchmark for sustainable architecture.
> BSkyB’s new £250m production centre in west London will be fully operational by 2012 February 2011 CIBSE Journal 29
Christian Richters
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