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Monday, February 2, 2009

The Best Opera House in Sydney

Description of Opera House :
The Sydney Opera House is an expressionist modern design, with a series of large precast concrete 'shells', each taken from a hemisphere of the same radius, forming the roofs of the structure, set on a monumental podium. The building covers 1.8 hectares (4.5 acres) of land, and is 183 metres (605 ft) long and about 120 metres (388 ft) wide at its widest point. It is supported on 588 concrete piers sunk up to 25 metres below sea level. Its power supply is equivalent for a town of 25,000 people. The power is distributed by 645 kilometres of electrical cable.[citation needed]

The roofs of the House are covered in a subtle chevron pattern with 1,056,006 glossy white and matte cream Swedish-made tiles, though from a distance the tiles look only white. Despite their self-cleaning nature, they are still subject to periodic maintenance and replacement.[citation needed]

The Concert Hall is contained within the western group of shells, the Opera Theatre within the eastern group. The scale of the shells is chosen to reflect the internal height requirements, rising from the low entrance spaces, over the seating areas and up to the high stage towers. The minor venues (Drama Theatre, Playhouse, and The Studio) are located beneath the Concert Hall, as part of the western shell group. A much smaller group of shells set to one side of the Monumental Steps houses the Bennelong Restaurant. Although the roof structures of the Sydney Opera House are commonly referred to as shells (as they are in this article), they are in fact not shells in a strictly structural sense, but are instead precast concrete panels supported by precast concrete ribs.
Apart from the tile of the shells, and the glass curtain walls of the foyer spaces, the building's exterior is largely clad with aggregate panels composed of pink granite quarried in Tarana. Significant interior surface treatments also include off-form concrete, australian white birch plywood supplied from Wauchope in northern New South Wales, and brush box glulam.

Read More : http://en.wikipedia.org

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