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Video & Project of the Week for November 30, 2015: ACROS Fukuoka Prefectural International Hall

on December 3, 2015 at 12:56 pm under Project of the Week: 11/30/15

ACROS Fukuoka Prefectural International Hall
Fukuoka, Japan
1,049,406 sf. Greenroof of stepped landscaped terraces

Project Description & Details

Situated in the middle of Fukuoka City, Japan, ACROS Fukuoka Prefectural International Hall is a center of international, cultural and information exchange and underneath lies over one million square feet of multipurpose space. Designed by Emilio Ambasz, a pioneer of ecological architecture, the nearly 100,000-square-meter park in the city center was transposed by the architect onto 15 stepped vegetated terraces of the ACROS or “Asian Crossroads Over the Sea.” The very green design provided a solution for a common urban problem: reconciling a developer’s desire for profitable use of a site with the public’s need for open green space. The plan for Fukuoka fulfills both needs in one structure by creating an innovative agro-urban model.

Its north face presents an elegant urban facade with a formal entrance appropriate to a building on the most prestigious street in Fukuoka’s financial district. The south side of the Hall extends an existing park through its series of terraced gardens that climb the full height of the building with growing media depths ranging between 12″ and 24″. Along the edge of the park, the building steps up, floor-by-floor, in a stratification of low, landscaped terraces. Each terrace floor contains an array of gardens for meditation, relaxation, and escape from the congestion of the city, while the top terrace becomes a grand belvedere, providing an incomparable view of the bay of Fukuoka and the surrounding mountains. A stepped series of reflecting pools upon the terraces are connected by upwardly spraying jets of water, to create a ladder-like climbing waterfall to mask the ambient noise of the city beyond. Open to the public, ACROS Fukuoka emerges like a lush green mountain and its green stepped garden exterior has become a new landmark for the city.

Find more photos and additional information about this project in The International Greenroof & Greenwall Projects Database.


Year: 1994
Owner: Dai-Ichi Mutual Life Mitsui Real Estate
Location: Fukuoka, Japan
Building Type: Commercial
Type: Intensive
System: Single Source Provider
Size: 1,049,406 sq. ft.
Slope: 2%
Access: Accessible, Public/Private


Designers/Manufacturers of Record:

Conceptual Design: Emilio Ambasz, Emilio Ambasz and Associates, Inc.
Associate Architect: Nihon Sekkei
Landscape Architect: Takenaka Corporation
Construction: Takenaka Corporation
Engineer: Takenaka Corporation
Engineering Consultant: Plantago Corporation
System Manufacturer: Katamura Tekko Company
Emilio Ambasz and Associates Photographer: Hiromi Watanabe


Project of the Week Video Feature

Watch the ACROS Fukuoka Prefectural International Hall Project of the Week Video below or see it on our GreenroofsTV channel on YouTube:

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Love the Earth, Plant a Roof (or Wall)!

~ Linda V.



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