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Published: Thursday, June 04, 2009

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AIG Building

"The building needed to house over 2000 people with various office and relaxation facilities of which some operate round the clock." says George Dasic Architects on AIG Building.

By: George Dasic Architects

Architecture-Page | AIG Building by George Dasic Architects
Building seats within newly created Dejima Park.

Project details

  • Project Name: AIG Building
  • Location of Site: Nagasaki, Japan
  • Design Team: George Dasic; Shunichi Tajima; Benigna Iwasaki, Reiko Fukushi and Tamaki Suzuki-architecture. Arup Japan-structure and MEP.
  • Project Type: Office building
  • Client: AIG Japan
  • Contractor/s: Taisei Construction
  • Site Area: 7, 000 sq m
  • Built-up Area: 20, 000 sq m
  • Date of completion: December, 2005

Architecture-Page | AIG Building by George Dasic Architects
Both horizontal and vertical louvers shield interior space from the sharp Nagasaki sun.

Words from the architect

The building needed to house over 2000 people with various office and relaxation facilities of which some operate round the clock. The client's requirement was for creating an extremely efficient yet comfortable workspace for its employees. It was to be a flexible space, allowing for future adjustments and changes with a minimum disruption to the ongoing business.

Additional requirements, more complex, yet challenging, came from the various Nagasaki city bodies charged with overseeing the city's urban re-generation.

Architecture-Page | AIG Building by George Dasic Architects
Wrap aluminum skin opens view from East (city) towards west (Nagasaki bay) while shields south from the direct summer sun.

The Nagasaki climate was an important design factor with its hot summers and a scorching sun. This led to a design, which allows for openness and transparency on the East/West direction while protecting from the South side.

After going through a number of design schemes and sketches, a dynamic design comprising of an aluminum "skin envelope" wrapped around a glass clad transparent spaces, creating a kind of gate or binoculars between the city and the bay; was the one we always went back to. The ship's curves as well as the symbolism of a wave, helped create a link with Nagasaki history as the European ships' gateway to Japan during the Edo period.

Architecture-Page | AIG Building by George Dasic Architects
Aluminum skin.

Materials: Double glazing for the walls protecting from the summer heat. Aluminum cladding for the skin.

Architecture-Page | AIG Building by George Dasic Architects
Front of the building contains civic hall overlooking Nagasaki Bay.

There are three distinctive functional zones that governed space configuration. Office area comprises first 4 floors. Fifth floor is an in-house recreational area (since the building operates 24 hours as a call center) with a large deck overlooking Nagasaki bay. The north contains a glass box housing Nagasaki civic hall that acts as a separately operated zone.

Credits

  • Text: George Dasic Architects
  • Photographs: Peter Cook

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