BMW S.A. HQs: REFURBISHMENT AWARD 2015 & GREENSTAR 5 STAR RATED
The head office of BMW South Africa (Pty) Ltd. has won the South African Property Owners’ Association 2015 award for refurbishment. Originally designed by Hans Hallen in 1984/85, the architecturally iconic building located in Midrand adjacent to the Pretoria-Johannesburg highway. The modernisation, devised by Boogertman + Partners Architects, reflects BMW’s corporate identity (defined in the NEUE ABEITSWELTEN - new working environment) while embracing South Africa’s energy efficiency and sustainability principles. It also achieved a GreenStar 5 star “as built” rating from the Green Building Council of South Africa - an impressive acknowledgment of the efforts to enhance the building’s natural light, energy efficiency and thermal comfort, as well as achieve a considered, productive working environment. A further honour was its nomination as a finalist for GIfAwards 2015, the awards programme held every two years by the Gauteng Institute for Architects to recognise and celebrate outstanding achievements and excellence for architecture and the built environment.
In equipping the building to face the future on an equal footing with contemporary developments, the lighting and ventilation solutions underwent a complete reinvention. Another significant area of renovation involved roofing and the facade. The old slate was removed for reuse in feature walls in landscaping and replaced by the contemporary aesthetic of zinc sheeting. The chosen titanium-zinc alloy, RHEINZINK prePATINA blue-grey, was installed on a 2 600m² area by Rohde Roofing CC using a double standing seam system - a complicated installation since all the roof sheets had to be tapered and crafted on to the circular roof. RHEINZINK prePATINA blue-grey was also chosen for a 500m² facade area and installed through use of a flat-lock tile system with an angled standing seam.
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