Cape building wins 6 star green rating

2013-02-14 12:33
An artist's conception of the completed No 1 Silo that has won a six star green rating. (V&A Waterfront)

An artist's conception of the completed No 1 Silo that has won a six star green rating. (V&A Waterfront)

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Cape Town - A new building in Cape Town has been awarded a six star green rating for its environmentally sensitive construction.

The No 1 Silo office building at the Victoria and Alfred Waterfront is the biggest building in SA to receive the rating from the Green Building Council of South Africa.

"We have adopted a rigorous approach to green construction and sustainable design principles, and the efficient use of natural and energy resources," said David Green, CEO of the V&A Waterfront.

Some of the features of the building, slated for completion in June 2013, include extensive use of LED lights coupled to an intelligent management system that lowers the lighting when there more ambient natural light.

There is also innovative water heating used in the building. The water is heated as a by-product of the chillers and sea water is used to absorb heat from the cooling plant in the building.


Water is a scarce resource and there are plans to ensure that little water is wasted. Project managers have also included a grey water system and low flow fittings that should save significant amounts of potable water.

While the building has been designed to conserve energy, there are no immediate plans to install solar panels on the roof.

"Solar panels can be accommodated at a later stage but are not included at this point," said Green.

The double glazing will contribute to cooling, reducing the need for air conditioning, while the under floor air conditioning is more efficient traditional systems.

The No 1 Silo is the first building of its size to achieve the highest star rating.

"This exceptional accomplishment is pioneering in that it is the first 6-Star rating of commercial office space of this scale in South Africa and the first building to achieve this rating in the City of Cape Town," Brian Wilkinson, CEO of the Green Building Council South Africa.

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Read more on:    cape town  |  environment

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