IESSA announces eleventh lighting conference

February 27th, 2015, Published in Articles: Vector

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Chris Brown

IESSA president Robert Henderson announced that the eleventh IESSA Conference and AGM would take place between 17 and 19 May 2015. He was speaking at a technical meeting of the IESSA Johannesburg branch on 12 February, hosted at the Cabanga Conference Centre. He said the theme of the conference would be “The year of light” to underscore the important role of lighting in energy efficiency. The conference and AGM will take place at the Protea Hotel in Midrand, Johannesburg.

After Henderson’s announcement, Chris Brown of Radiant Lighting delivered a presentation titled “The structure of light”, which focused on the work of lighting architect Richard Kelly.

Brown said that, while lighting design is regarded as a profession and is applied scientifically in most countries, it is often applied employed ineffectually in South Africa where it tends to be viewed primarily as a means to save electricity.

Kelly, said Brown, applied in his work lighting techniques such as focal glow, ambient illuminance and play on brilliance.

Focal glow entails highlighting crucial architectural features such as art, as opposed to ambient illuminance, which involves basic task lighting using technologies such as fluorescent and halogen.

Kelly used play on brilliance to accentuate features such as fountains and building facades and to create uplighting for trees. Brown cited as examples of this technique the Infinity Bridge in the UK, Pretoria’s Union Building and lighting for advertising in Johannesburg. This effect is often created using colour, which makes LEDs and colour-changing technology ideal for this technique.

 

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