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Public sees DEA’s green head office with GBCSA

Public sees DEA’s green head office with GBCSA

Mar 4, 2015

The national Department of Environmental Affairs (DEA) is leading by example with a R653 million head office in Pretoria that underscores the department’s mandate to create healthy and sustainable buildings.

Members of the public recently had an opportunity to see the building in action. In the spirit of sharing best practice and educating South Africans about sustainable building strategies, the DEA opened its doors for a building tour, which was hosted by the Green Building Council of SA (GBCSA).

The 30,654m² building, located in Pretoria’s busy Arcadia node, has achieved a 6 Green Star SA Office Design rating – one of only three buildings in the country to meet the strict green specifications and the only government office of its size to do so.

“Given the DEA’s green leadership in developing this head office, we wanted to give the public an opportunity to witness the space in action,” says Brian Wilkinson, the GBCSA Chief Executive Officer.

Wilkinson points out the tour was aimed at highlighting how the building sets and meets stringent sustainability targets – and what those targets mean for occupants.

Office workers, for instance, will breathe 150% more fresh air than mandated by law.

With the 60% of usable area having direct sight of the outdoors, occupants will be able to check the weather and stay connected to nature.

“Just imagine the impact on office workers, who can breathe fresh air and look outside from almost every part of their office building,” he adds.

The energy consumption goals are ambitious: not only is annual usage capped at 115kWh/m² but a full 10% of consumption needs will be supplied by renewable sources.

To achieve this, solar panels installed on the roof will generate 20% of the building’s energy needs. Building orientation has likewise been optimised to minimize consumption.

Water consumption will be 30% less than an average office, thanks to rainwater harvesting and high-efficiency irrigation systems. And the 7,652m² of landscaped grounds and 465m² of roof garden will feature water-wise indigenous plants.

To encourage active transportation – i.e. walking and cycling – the development provides safe and secure bike parking, secure storage lockers and change-room facilities. And, in a unique green innovation, there are solar-powered charging stations for electric cars located in the parking area of the building.

“For those who missed the tour, the building houses a permanent discovery centre that is open to all,” says Wilkinson.

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