Umeda DT Tower, Modern skyscraper in Kita-ku, Japan
Umeda DT Tower is a modern skyscraper in central Osaka with 27 floors of glass and steel construction. The building was designed by Takenaka Corporation and forms part of the city's commercial core.
Construction began in June 1992 under the name Diamond Tower, but the recession halted work in 1993. Building resumed on 1 November 2000, and the tower was completed on 31 January 2003, opening on 6 March 2003.
The tower stands in the Diamond District, a nickname for the Umeda 1-chome block. Its basement once held the Diamor Fiore underground mall, which closed on 10 January 2023; on 26 January 2024 Daiso opened a combined DAISO, Standard Products and THREEPPY store there. NTT Docomo's Kansai branch is a tenant.
The skyscraper is easy to locate in the heart of Umeda's business district with good accessibility. Keep in mind this is primarily an office building, so most interior spaces are restricted to employees and authorized visitors.
It was the first building in the world to use a hybrid base-isolation system with an intermediate isolation layer, together with base-isolated elevators. The design and construction were both handled by Takenaka Corporation, and the tower is owned and managed by its group company TAK Realty.
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