1 Bligh Street is a skyscraper in Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

, New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

.

The modern style

Modernism

Modernism, in its broadest definition, is modern thought, character, or practice. More specifically, the term describes the modernist movement, its set of cultural tendencies and array of associated cultural movements, originally arising from wide-scale and far-reaching changes to Western society...

 office building is located in the Sydney central business district

Sydney central business district

The Sydney central business district is the main commercial centre of Sydney, New South Wales, Australia. It extends southwards for about 3 kilometres from Sydney Cove, the point of first European settlement. Its north–south axis runs from Circular Quay in the north to Central railway station in...

 overlooking Circular Quay, the Sydney Harbour and the Sydney Harbour Bridge

Sydney Harbour Bridge

The Sydney Harbour Bridge is a steel through arch bridge across Sydney Harbour that carries rail, vehicular, bicycle and pedestrian traffic between the Sydney central business district and the North Shore. The dramatic view of the bridge, the harbour, and the nearby Sydney Opera House is an iconic...

.

The premium grade office tower was designed by Ingenhoven Architects

Ingenhoven Architects

Ingenhoven Architects is an architectural firm based in Düsseldorf, Germany. Founded in 1985, the office became notable for its ecologically oriented designs for high-rise buildings. Until 2003 the company was named Ingenhoven Overdiek and Partner.-Design:...

 of Germany and Architectus of Australia.

It is Australia’s first major high-rise building with a full double-skin façade

Double-skin facade

The Double Skin Façade is a system consisting of two skins placed in such a way that air flows in the intermediate cavity. The ventilation of the cavity can be natural, fan supported or mechanical...

with external louvers. The building is expected to achieve 6 Star Green Star

Green Star (Australia)

Green Star is a voluntary environmental rating system for buildings in Australia. It was launched in 2003 by the Green Building Council of Australia....

 and 5 Star NABERS Energy. It is ecologically sustainable development

Ecologically sustainable development

Ecologically sustainable development is the environmental component of sustainable development. It can be achieved partially through the use of the precautionary principle, namely that if there are threats of serious or irreversible environmental damage, lack of full scientific certainty should not...

 (ESD) with a range of integrated sustainability solutions.

It was awarded six-star green status by the Green Building Council of Australia. Green features include a basement sewage plant that recycles 90 percent of the building waste water, solar panels on the roof and air conditioning by chilled beams.

Design

The double skin façade with external louvers

Sunshade

A space sunshade or sunshield can be described as analogous to a parasol that diverts or otherwise reduces some of a star's rays, preventing them from hitting a planet and thereby reducing its insolation, which results in less heating of the planet....

 conserve energy

Energy conservation

Energy conservation refers to efforts made to reduce energy consumption. Energy conservation can be achieved through increased efficient energy use, in conjunction with decreased energy consumption and/or reduced consumption from conventional energy sources...

, eliminate sky glare

Glare (vision)

Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of this, some cars include mirrors with automatic anti-glare functions....

 and optimise user comfort. The angle of the louvers blades is automatically adjusted depending on their orientation to the sun. A naturally ventilated, full height atrium

Atrium (architecture)

In modern architecture, an atrium is a large open space, often several stories high and having a glazed roof and/or large windows, often situated within a larger multistory building and often located immediately beyond the main entrance doors...

, on the southern side of the building, maximises natural light to each office level. The building also houses a childcare centre, two cafes and basement carpark for 96 cars.

See also

• Buildings and architecture of Sydney
  Buildings and architecture of Sydney
  The Architecture of Sydney is not characterised by any one architectural style, having accumulated and developed over its 200 year history.Under early nineteenth-century the tenure of Governor Lachlan Macquarie, the works of Francis Greenway were the first substantial buildings for the fledgling...
  
  
• List of tallest buildings in Sydney

External links

• 1 Bligh official website
• 1 Bligh Street at Cbus Property website
• 1 Bligh Street at Architectus website