100 Market Street, Sydney

29 June 2010 –Westfield Group’ refurbished 100 Market Street commercial tower, part of its major Sydney CBD redevelopment project, has achieved a six-star Green Star Design v2 rating from the Green Building Council of Australia.

With a total area of 30,000 square metres of office space below Sydney Tower, the building re-used 90 per cent of the existing structure and more than 80 per cent of demolition and construction waste was recycled.

Plans are for it to achieve a NABERS Energy five-star rating through use of  trigeneration energy system designed to achieve a 41 per cent reduction in carbon emissions and which has been designed to engage the generator to satisfy heating and cooling loads through the absorption chiller. If additional cooling is required, the electrical chiller is engaged and additional heating is achieved through the gas fired boiler.

It will also make use of a site-wide black water recycling system combined with other water saving initiatives to achieve a 93 per cent reduction in potable water use.

A company media statement yesterday said a key feature of the building would be occupant amenity achieved through ensuring high levels of thermal comfort. This will include an efficient facade design and airconditioning system, improved natural daylight levels by 20 times and improved access to external views by nearly 50 per cent by demolishing the existing floor plate to include feature atria light wells and façade panels.

The project will be first completed stage of the Westfield CBD project.

Also on the drawing board is a new commercial tower at 85 Castlereagh Street, which has JP Morgan signed as anchor tenant.

This building is also registered for a 6 Star – Green Star Design rating and is scheduled to commence construction soon with completion expected in the second quarter of 2012.

Westfield Australia and New Zealand managing director Robert Jordan said:
“We’re very pleased to have achieved a six-star environmental rating on the site, particularly given that it was a refurbishment of an existing structure.

“We look forward to completing the remainder of the project which also has a range of environmentally sustainable design elements.”

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