A four-star Eco-Product Label has been awarded for the low cement concrete used by infrastructure contractor Concor to build wind turbine bases at Khobab Wind Farm in the Northern Cape. The certificate was awarded by Eco Standard South Africa to the project manager Mainstream Renewable Power, the wind farm Khobab Wind (RF) and Concor, commending […]
Two of the country’s largest Bid Window 4 projects, 140 MW Kangnas Wind Farm (Northern Cape) and 110 MW Perdekraal East Wind Farm (Western Cape) have announced the successful completion of the 28-day strength test of their first foundations, with a significant improvement in the mix design and a massive CO2 saving. Perdekraal East Wind […]
The market for processed builders’ rubble in South Africa is growing and architects, engineers and the rest of the building industry should take note. When Dr Kirsten Barnes, waste economy analyst from GreenCape, started investigating a builders’ rubble market, the perception existed that the material was rubbish and that she was wasting her time. This […]
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As one of the most widely used materials on the planet, concrete presents an ideal opportunity for the industry to minimise its environmental impact. At the Loeriesfontein Wind Farm, the amount of activator used was reduced to 0.4%, or four litres of activator per cubic metre of concrete. Image credit: Loeriesfontein Wind Farm Concrete is […]
One cubic metre of concrete has a carbon footprint of 350kg of CO2, making this staple material in the construction industry one of the biggest contributors to greenhouse gases in the world. This fact was shared by Cyril Attwell, researcher and director at ARC Projects, at this year’s annual GBCSA Green Building Convention. Attwell, however, […]
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