130 TECHNOLOGY / CASE STUDY
BLOOMING MARVELOUS
Special working-at-height training was required to install the Anolis fixtures that now illuminate a new shopping space, inspired by South Africa’s national flower.
Protea Court, the new extension to Johannesburg’s high-end Sandton City retail centre, owes both its name and dramatic shape to the national flower of South Africa. The circular space is covered by a spectacular 34 metre high, 42 metre diameter roof structure that uses cutting- edge ETFE inflatable skin technology. Comprising 146 air-filled cushions restrained within a network of profiled aluminium extrusions curved to the shape of the steel structure, the roof allows in daylight whilst also providing efficient insulation of the retail space below.
Having created such a dramatic space, MDS Architects called in Paul Pamboukian and senior lighting designer Joao Viegas of Paul Pamboukian Lighting Design (PPLD) to create a suitably impressive - and equally efficient - light scheme. Aesthetically, they wanted the lighting to accentuate the intense verticality of the space and make the strong structural definition of the roof with its beams and
girders come alive. Fixtures that produced a smooth, rich even coverage with no shadows, pixilation or blockiness across the roof expanse were of paramount importance, and the team elected to install a range of Anolis LED luminaires, supplied and installed by South African firm DWR. 115 ArcPad 48 and 12 ArcSource 96s are arranged in three rings around the roof dome, of which a centre cluster of 60 ArcPad 48 Integrals above the top of the lift shaft are the only Anolis fixtures inside the building. Above these – outside – are 12 ArcPad 96s in the centre, plus the other 55 ArcPad 48s on two rings lower down. They are all optimised to wash the entire roof area complete with its elegant air- filled undulations and features. Three very subtle mixed-colour looks are currently programmed as default states, adding finesse and complimenting the huge architectural statement made by the roof itself.
Data is distributed via four LSC DMX
splitters, the Anolis units are powered locally and some special ESA Pro Stand Alone PC-based control software was dispatched from the UK, which is programmed to run various sequences from dusk to dawn; slowly changing the accent illumination on the structure, with sporadic colour bursts on the hour and for special events.
The biggest physical challenge for the DWR site team of Bruce Riley, Eazy Moketsi and JC du Plessis was the tough working conditions. With very few areas of the roof that could be walked on, most of the rigging was done from the air, an arduous task taking four weeks to complete, and contending with assorted weather conditions – from rain to high winds – all of which interfered with the workflow. “Using Anolis fixtures and DWR for the installation were definitely the right moves,” confirms Pamboukian, “It all works exactly as I envisioned.”
www.anolis.eu
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