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First Japanese Company to Obtain the Highest Evaluation under China’s Building Environment Assessment Standards System


January 17, 2013Takenaka Corporation

Takenaka (China) Construction Co.,Ltd., which is an overseas subsidiary of Takenaka Corporation (President: Toichi Takenaka), has been awarded Three Stars, which is the top award (Three Star Award) under the Green Building Design Label System, a system of certification of buildings with environmentally friendly designs in China. The award was given for the Phase I Office Building at the Research and Development Center of Toyota Motor Engineering & Manufacturing (China) Co., Ltd. (Jiangsu, China). This is the first time this award has been awarded to a project ordered by a Japanese company, and for a building constructed by a Japanese construction company.

■Environmental protection technologies evaluated for this award

Outdoor environmentally friendly technologies

Measures to protect the environment on the site, saving water and protecting and effectively using water resources, controlling wind speed and preventing noise, planning the planting of vegetation to preserve biodiversity, rooftop greening etc.

Indoor environmentally friendly technologies

Supplying water heated by solar heat, LED and other energy conserving lighting, ventilation control system equipped with CO2 sensors etc.

Building environmentally friendly technologies

Improvement of natural lighting using a void core and skylights, use of sunlight blocking structures (devices) and recyclable building materials.

■Green Building Design Label System

This is the Environmental Assessment Standard System for Buildings certified by the Ministry of Construction of China operated since 2006 to protect the global environment, maximize the effective use of global resources, and prevent environmental contamination. It stipulates assessment indices which are equivalent to Japan’s Comprehensive Assessment System for Built Environment Efficiency (CASBEE).

The evaluation is done by assessing a total of 83 items including natural ventilation, use of rainwater, noise standards etc. This building was certified for 56 items from among a total of 67 items assessed after omitting 16 irrelevant items, to become the first Japanese company to win the Three Star Award.

Takenaka is making efforts to successfully realize its environmental message, “Connecting People with Nature,” even at its overseas projects, and will continue to construct buildings which are even friendlier to the environment.

■Outline of the“Phase I Office Building at the Research and Development Center of Toyota Motor Engineering & Manufacturing (China) Co., Ltd.”

Building name Phase I Office Building at the Research and Development Center of Toyota Motor Engineering & Manufacturing (China) Co., Ltd.
Client Toyota Motor Engineering & Manufacturing (China) Co., Ltd.
Location Changshu, Jiangsu, China
Use Research and Development Center
Basic plan Nikken Sekkei Ltd.
Basic design Takenaka Corporation, Takenaka (China) Construction Co. ,Ltd.
Detail design Eleventh Design & Research Institute of IT Co, Ltd. (Jiangsu Branch)
Green Building Design consultant China Academy of Building Research Architectural Design Institute
Construction Takenaka (China) Construction Co. ,Ltd.
Construction management Nikken Sekkei Construction Management, Inc.
Structure Reinforced concrete
Number of floors 3 fl. aboveground
Building area/Total floor space Approx. 3,100m2 /approx. 8,300m2
Work schedule December 2011 to November 2012