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{{short description|Proposed skyscraper in Japan}}
{{Other uses|Sky City (disambiguation)}} {{Other uses|Sky City (disambiguation)}}


{{Infobox building {{Infobox building
| name = Sky City 1000 | name = Sky City 1000
| native_name = '''スカイシティー1000''' | native_name = '''スカイシティー1000'''
| native_name_lang = ja | native_name_lang = ja
| location = ], ] | location = ], ]
| coordinates = | coordinates =
| image = skycity1000 01.jpg | image = skycity1000 01.jpg
| image_size = 250px | image_size = 250px
| caption = Proposed Rendering of the megatall Sky City 1000 | caption = Proposed Rendering of the megatall Sky City 1000
| building_type = Hotel, office, ] | building_type = Hotel, office, ]
| status = {{Red|Never built}} | status = Construction scheduled
| roof = {{convert|1,000|m|ft|abbr=on}} | roof = {{convert|3281|ft|m|abbr=on}}<ref></ref>
| floor_count = 202<ref></ref> | floor_count = 196<ref></ref>
| start_date = | start_date = 2040+
| est_completion = | est_completion = unknown
| opening = | opening =
| floor_area = 8 km<sup>2</sup> | floor_area = 8 km<sup>2</sup>
| architect = ] | architect = ]
}} }}
'''Sky City 1000''' was a proposed project for the ] metropolitan area. It was announced in 1989 at the height of the ]. '''Sky City 1000''' is a proposed skyscraper for the ] metropolitan area. It was announced in 1989 at the height of the ].


The proposal consisted of a building {{convert|1000|m|ft|0|lk=off|abbr=on}} tall and {{convert|400|m|ft|0|abbr=on}} wide at the base, with a total floor area of {{convert|8|km2|sqmi|1|abbr=on}}.<ref name="emporis"></ref> The design, proposed in 1989 by the ], would have housed between 35,000<ref name="emporis"/><ref> {{webarchive|url=https://web.archive.org/web/20080329001359/http://dsc.discovery.com/convergence/engineering/skycity/interactive/interactive.html |date=2008-03-29 }}</ref> and 36,000<ref></ref> full-time residents as well as 100,000 workers. It comprised 14 concave dish-shaped "Space Plateaus" stacked one upon the other. The interior of the plateaus would have contained greenspace, and the edges of the building would have contained apartments. The building would have also housed offices, commercial facilities, ]s, ]s, and other modern amenities.<ref name="emporis"/> The proposal consists of a building {{convert|1000|m|ft|0|lk=off|abbr=on}} tall and {{convert|400|m|ft|0|abbr=on}} wide at the base, with a total floor area of {{convert|8|km2|sqmi|1|abbr=on}}.<ref name="emporis">{{usurped|1=}}</ref> The design, proposed in 1989 by the ], would have housed between 35,000<ref name="emporis"/><ref> {{webarchive|url=https://web.archive.org/web/20080329001359/http://dsc.discovery.com/convergence/engineering/skycity/interactive/interactive.html |date=2008-03-29 }}</ref> and 36,000<ref></ref> full-time residents as well as 100,000 workers. It comprised 14 concave dish-shaped "Space Plateaus" stacked one upon the other. The interior of the plateaus would have contained greenspace, and the edges of the building would have contained apartments. The building would have also housed offices, commercial facilities, ]s, ]s, and other modern amenities.<ref name="emporis"/>


The Sky City was featured on ]'s '']'' in 2003. The Sky City was featured on ]'s '']'' in 2003.

Land prices in Japan were the highest in the world at the time, but ], one of Japan's most famous architects, has said that staggeringly ambitious buildings employing highly sophisticated engineering are still cheap, because companies pay 90 percent of the cost for the land and only 10 percent for the building.<ref></ref> Tokyo's only ] has even been used in simulation tests to see what the danger would be if a fire were to break out in the building.<ref name="emporis"/> To mitigate this, triple-decker high speed ]s were proposed and prototyped in labs outside Tokyo.<ref name="emporis"/>

Although the Sky City gained more serious attention than many of its alternatives, it was never carried out, similarly to projects such as ] and to ultra-high ], ] concepts such as ]'s ] and ]'s ].

If completed, Sky City 1000 would be the tallest man-made structure in the world surpassing the ].


==See also== ==See also==
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*] *]
*] *]
*]


==References== ==References==
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{{supertall proposed skyscrapers}} {{supertall proposed skyscrapers}}


]
] ]
] ]
] ]
]
]

Latest revision as of 11:45, 7 January 2025

Proposed skyscraper in Japan For other uses, see Sky City (disambiguation).
Sky City 1000
スカイシティー1000
Proposed Rendering of the megatall Sky City 1000
General information
StatusConstruction scheduled
TypeHotel, office, residential
LocationTokyo, Japan
Construction started2040+
Estimated completionunknown
Height
Roof3,281 ft (1,000 m)
Technical details
Floor count196
Floor area8 km
Design and construction
Architect(s)Takenaka Corporation

Sky City 1000 is a proposed skyscraper for the Tokyo metropolitan area. It was announced in 1989 at the height of the Japanese asset price bubble.

The proposal consists of a building 1,000 m (3,281 ft) tall and 400 m (1,312 ft) wide at the base, with a total floor area of 8 km (3.1 sq mi). The design, proposed in 1989 by the Takenaka Corporation, would have housed between 35,000 and 36,000 full-time residents as well as 100,000 workers. It comprised 14 concave dish-shaped "Space Plateaus" stacked one upon the other. The interior of the plateaus would have contained greenspace, and the edges of the building would have contained apartments. The building would have also housed offices, commercial facilities, schools, theatres, and other modern amenities.

The Sky City was featured on Discovery Channel's Extreme Engineering in 2003.

Land prices in Japan were the highest in the world at the time, but Kisho Kurokawa, one of Japan's most famous architects, has said that staggeringly ambitious buildings employing highly sophisticated engineering are still cheap, because companies pay 90 percent of the cost for the land and only 10 percent for the building. Tokyo's only fire helicopter has even been used in simulation tests to see what the danger would be if a fire were to break out in the building. To mitigate this, triple-decker high speed elevators were proposed and prototyped in labs outside Tokyo.

Although the Sky City gained more serious attention than many of its alternatives, it was never carried out, similarly to projects such as X-Seed 4000 and to ultra-high density, mixed use concepts such as Paolo Soleri's Arcology and Le Corbusier's Ville Radieuse.

If completed, Sky City 1000 would be the tallest man-made structure in the world surpassing the Burj Khalifa.

See also

References

  1. Sky City 1000 - SkyscraperPage
  2. Sky City 1000 - SkyscraperPage
  3. ^ Sky City 1000 - Emporis
  4. Discovery Channel :: Extreme Engineering: Sky City Archived 2008-03-29 at the Wayback Machine
  5. SKY CITY 1000
  6. Cities in the sky: New Scientist, October 2, 1993
Proposed supertall and megatall skyscrapers
Proposed
Cancelled/Stale proposal
Never realized
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