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specification dictated that the luminaires had to blend into the original and unique Sixties architectural style of the old building, whilst blending well into the new build areas. Blocks, a luminaire offering direct and indirect light, was chosen for its clean straight lines and strong geometric design. Incorporating RT5 optic technology to offer optimum light control, the luminaire was installed throughout the Academy in a mixture of twin and single units with 28W and 21W lamp options. David Eames of Arup commented: ‘The Blocks luminaires were selected to blend in well with the old building. An additional specification of the project dictated that the luminaires had to work harmoniously with the existing mullion structure, and Riegens was able to help us and offer bespoke colour units to our exact RAL number to match the architect’s aesthetic scheme.’ Control systems are a great help for


learning environments, especially where areas can be used for more than one purpose i.e. sports halls are also used for assemblies, events, and exams. They also help to reduce energy costs, which was the case at the University of Essex. Ex-Or, part of Honeywell, is helping the University to not only make significant energy cost savings but also to meet one of its core objectives, environmental sustainability.


Ex-Or has supplied and installed LightSpot detectors in all corridors and kitchens within the 700-bed student accommodation complex in Colchester. Now the lights only come on when


required, then automatically switch off after use. This is because Ex-Or LightSpot presence detectors respond to the movements that occur when corridor and kitchen areas are in use.


By measuring kilowatt hours usage before and after the installation, the University has cut its total energy bill by five per cent. But further savings have also been made, thanks to the Ex-Or installation. Because lights are no longer on 24 hours a day, there are fewer lamp and control gear failures and, as a result, lower maintenance and replacement costs. This is saving the University a further £2,000 a year on its maintenance bill for The Quays development. RELCO has designed the Trim Powerled range, developed to provide educational establishments with a very versatile and cost effective luminaire system. By featuring LEDs, the Trim range can ensure net energy savings of between 50-80 per cent over traditional lamp sources, whilst also offering users a lifespan of more than


18


50,000 hours with no maintenance requirements. Lower energy consumption means lower energy bills.


This range includes a ceiling mounted luminaire, which is available in two lengths of 125cm or 250cm. These fittings can be linked together using spacers to create a continuous light span across classrooms or gymnasium floors. The LED fittings have 60⁰ lenses as standard, with the option of 30⁰ to special order. These lenses allow the beam of light to be concentrated so that it illuminates a specific area. Such is the effectiveness of the luminaire design, it has enabled it to be installed at a height of 7m within an existing school project. Where required the Trim can be used with an oplaine screen-shade to achieve IP65 protection for exterior applications.


Its clear to see that good lighting will help


promote happiness and productivity within learning environments.


Contact


Arup 020 7636 1531 www.arup.com Ex-Or 01942 719 229 www.ex-or.com Philips 0845 601 1283 www.lighting.philips.com RELCO 01933 271 472 www.relcogroupuk.co.uk Riegens Lighting 01376 333 400 www.riegens.com


From top: Ex-Or has supplied control systems for The University of Essex in Colchester; RELCO’s Trim Powerled range; Riegen’s Blocks luminaires blend in with the original building at King Solomon Academy.


www.a1lightingmagazine.com


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