The proposal '21st century oasis' by japanese practice sou fujimoto architects in collaboration with taiwanese firm Fei & Cheng Associates has taken first place in the taiwan tower international competition for taichung city. Derived from the trunk of the taiwanese banyan tree, the ornate structural system will frame a semi-outdoor interior space generating a dappled light quality as found beneath a leafy deciduous canopy. Positioned within a green belt, the building will become an urban retreat with a green rooftop 'island' floating 300 meters above the city. Representing the divine isle of formosa, the garden will reintroduce the beauty of nature into the urban fabric while becoming a symbolic landmark visible from many points throughout the city.

A variety of renewable energy systems and passive design techniques have been integrated into the design including rainwater harvesting, solar hot water panels, wind turbines, photovoltaic cells, ground source heat pumps, desiccant air-handling units and natural ventilation due to the inherent stack effect. Mitigating the impact on infrastructure, the collection of systems will reduce half of the consumption and carbon emissions. The exterior effect of the steel construction is produced with vertical and inclined perimeter, inner and intermediate columns as well as spiral beams and roof beams. The presence of leaning vertical elements - comprised of 80mm diameter hollow tubes - will provide lateral stability from wind and earthquakes loads. Comprised of two intertwined units, the spiral beams stitch together the outer and inner row of columns from the ground floor to the roof plane, preventing buckling due to their slender proportions. a conic atrium is maintained within the center of the building's footprint spanning the entire height of the tower.

Adjacent to cultural districts, the program will consist of museum and exhibition spaces. visitors circulate upwards via an elevator placed within the acute point of the triangulated footprint. The facades contain LED lights which create an airy and hazy effect which changes in color and intensity. The exterior transitions into a sleeping state creating a starry illumination which evokes a similar effect of chinese lanterns.

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Sou Fujimoto was born in Hokkaido, Japan on August 4, 1971. In 1994 he graduated in architecture at the Faculty of Engineering, University of Tokyo. He established his own architecture studio, the agency Sou Fujimoto Architects, in Tokyo in 2000, and since 2007 a ​​professor at Kyoto University.

He was first noticed in 2005 when he won the prestigious AR – international Architectural Review Awards in the Young architect’s category, a prize that he garnered for three consecutive years, and the Top Prize in 2006.

In 2008, he was invited to jury these very AR Awards. The same year he won the JIA (Japan Institute of Architects) prize and the highest recognition from the World Architecture Festival, in the Private House section. In 2009, the magazine Wallpaper* accorded him their Design Award.
 Sou Fujimoto published “Primitive Future” in 2008, the year’s best-selling architectural text. His architectural design, consistently searching for new forms and spaces between nature and artifice.

Sou Fujimoto became the youngest architect to design the annual summer pavilion for London’s Serpentine Gallery in 2013, and has won several awards, notably a Golden Lion for the Japan Pavilion at the 2012 Venice Architecture Biennale and The Wall Street Journal Architecture Innovator Award in 2014.

Photographer: David Vintiner

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Published on: December 16, 2011
Cite: "Sou Fujimoto wins Taiwan Tower Competition" METALOCUS. Accessed
<http://www.metalocus.es/en/news/sou-fujimoto-wins-taiwan-tower-competition> ISSN 1139-6415
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