Architect and Builder Magazine South Africa July/August 2014 | страница 29

Good acoustics in the offices and common areas was important. The acoustic engineers worked with the interior designers to ensure their designs took this into consideration. SUSTAINABILITY Initially the Portside project aimed for a 4 Star Office Design rating, however the clients saw the opportunity to raise the benchmark for this AAA grade commercial development, and the professional team were able to achieve a 5 Star Green Star SA (GSSA) v1 Office Design rating, representing “South African Excellence”, as administered by the Green Building Council South Africa (GBCSA). This is especially significant as Portside is the first tall building in the country to receive such certification. At the time of writing, the building is being assessed for a 5 star Green Star As-Built rating. Portside has focused on the environmental initiatives associated with GSSA projects, including energy reduction through an efficient air conditioning system; the capturing, storage and reuse of rainwater as well as grey water for use in toilets thus reducing potable water use; the use of low embodied energy materials such as recycled reinforcing steel and cement replacement with industrial waste products; and the maximisation of natural light through the provision of a double glazed façade. One of the distinguishing features in Portside is the application of LED light fittings throughout. This significantly lowers the energy consumption and is a first fo ȁ