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W350 Project
Wooden skyscraper in Tokyo

The W350 Project is a proposed wooden skyscraper in central Tokyo, Japan, announced in 2018. The skyscraper is set to reach a height of 350 meters with 70 floors, which upon its completion will make it the tallest wooden skyscraper, as well as Japan's tallest building. The skyscraper is set to be a mixed-used building including residential, office and retail space. It is scheduled to be completed in 2041, to mark Sumitomo Forestry's 350th anniversary.

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Proposal

The plan calls for the building to be made of 90% wood with the rest being steel. Steel braces will be used to enhance resistance to wind and earthquakes, as the area has high levels of seismic activity. One advantage of wood is that timber-based structures have proven to be very resistant to earthquakes. The project requires 185,000 cubic meters of timber (or 6.5 million cubic feet4), and plans to revitalize forestry and timber demand in Japan.56 The choice of wood, aside from aesthetic and seismic concerns, is part of a larger movement aiming to "change cities into forests".7 Wooden structures are also easier to rebuild or replace than concrete structures if it collapses.8 Two-thirds of Japan is covered by forest, making it the 2nd most tree-covered country of the OECD countries after Finland. Most of Japan's cedars and cypresses were planted after the Second World War and are now reaching maturity.9

The skyscraper is designed by the architectural firm Nikken Sekkei, and will be built by the developer Sumitomo Forestry.1011

Its construction is estimated to cost USD 5.6 billion.1213

See also

References

  1. Ravenscroft, Tom. "World's tallest timber tower proposed for Tokyo". de zeen. Retrieved 6 May 2020. https://www.dezeen.com/2018/02/19/sumitomo-forestry-w350-worlds-tallest-wooden-skyscraper-conceptual-architecture-tokyo-japan/ ↩

  2. "Japan plans world's tallest wooden skyscraper". Construction Climate Challenge. Copyright AB Volvo 2018. Retrieved 6 May 2020. https://constructionclimatechallenge.com/2018/04/10/japan-plans-worlds-tallest-wooden-skyscraper/ ↩

  3. "A Wooden Supertall Proposed for Japan". World-Architects. 15 February 2018. Retrieved 25 November 2024. https://www.world-architects.com/en/architecture-news/headlines/a-wooden-supertall-proposed-for-japan ↩

  4. Ryall, Julian. "Japanese company plans world's tallest wooden building". The Telegraph. Retrieved 6 May 2020. https://www.telegraph.co.uk/news/2018/02/14/japanese-company-plans-worlds-tallest-wooden-building/ ↩

  5. Ravenscroft, Tom. "World's tallest timber tower proposed for Tokyo". de zeen. Retrieved 6 May 2020. https://www.dezeen.com/2018/02/19/sumitomo-forestry-w350-worlds-tallest-wooden-skyscraper-conceptual-architecture-tokyo-japan/ ↩

  6. "Japan plans world's tallest wooden skyscraper". Construction Climate Challenge. Copyright AB Volvo 2018. Retrieved 6 May 2020. https://constructionclimatechallenge.com/2018/04/10/japan-plans-worlds-tallest-wooden-skyscraper/ ↩

  7. Ravenscroft, Tom. "World's tallest timber tower proposed for Tokyo". de zeen. Retrieved 6 May 2020. https://www.dezeen.com/2018/02/19/sumitomo-forestry-w350-worlds-tallest-wooden-skyscraper-conceptual-architecture-tokyo-japan/ ↩

  8. Ryall, Julian. "Japanese company plans world's tallest wooden building". The Telegraph. Retrieved 6 May 2020. https://www.telegraph.co.uk/news/2018/02/14/japanese-company-plans-worlds-tallest-wooden-building/ ↩

  9. Nguyen Trung, World's tallest wooden skyscraper planned in Tokyo, Redtoolead.com, 21 July 2019 https://readtoolead.com/worlds-tallest-wooden-skyscraper-planned-in-tokyo/ ↩

  10. Ravenscroft, Tom. "World's tallest timber tower proposed for Tokyo". de zeen. Retrieved 6 May 2020. https://www.dezeen.com/2018/02/19/sumitomo-forestry-w350-worlds-tallest-wooden-skyscraper-conceptual-architecture-tokyo-japan/ ↩

  11. "Japan plans world's tallest wooden skyscraper". Construction Climate Challenge. Copyright AB Volvo 2018. Retrieved 6 May 2020. https://constructionclimatechallenge.com/2018/04/10/japan-plans-worlds-tallest-wooden-skyscraper/ ↩

  12. Ravenscroft, Tom. "World's tallest timber tower proposed for Tokyo". de zeen. Retrieved 6 May 2020. https://www.dezeen.com/2018/02/19/sumitomo-forestry-w350-worlds-tallest-wooden-skyscraper-conceptual-architecture-tokyo-japan/ ↩

  13. "Japan plans world's tallest wooden skyscraper". Construction Climate Challenge. Copyright AB Volvo 2018. Retrieved 6 May 2020. https://constructionclimatechallenge.com/2018/04/10/japan-plans-worlds-tallest-wooden-skyscraper/ ↩