Last Uploaded: February, 2010

Mabuchi Motor Corporation Headquarters

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Project Outline

This building is designed to provide the high-quality working environments and services required of an office building with Head Office functions. At the same time, however, it adopts ideas designed to increase the environmental efficiency of an office building in various respects, with the aim of promoting consideration for the environment and energy conservation.
In this building, we have attempted to improve amenities by establishing spaces for relaxation, such as refresher spaces and open decks at various points. The working space, a "three-dimensional One-Office", is a large space with a high ceiling. While it retains an open-plan interior, it uses floor blower air-conditioning, task air-conditioning, ambient lighting and others, achieving a high-quality indoor environment.
The building is also designed with a seismic-isolation and vibration-control structure, its exterior consisting of a double skin of titanium oxide coating and maintenance-free brick. The arrangement of the building takes account of thermal load, and the building is planned with an east-west axis and north-south openings.
Various equipment systems have been deployed with a view to making the building universal (double skin, substructure heat storage, indirect lighting, partitioned task air-conditioning). Steps have been taken to make effective use of materials and spaces, while a wide range of options is available in deploying the building as an environmentally accountable system. As such, various needs can be met.

Basic Information

[CASBEE rank] S  (5 stars)
[CASBEE tool used] CASBEE-NC_2006(v.2.0)
[Location] Matsudo City, Chiba Prefecture
[Completion date] September, 2004
[Site area] 41,857m2
[Total floor area] 19,202m2
[Structure] SRC, seismic-isolation and vibration-control structure
[Floors] 1F below ground, 4F above ground
[Owner] Mabuchi Motor Co., Ltd.
[Designer] IBM Japan Ltd., Nihon Sekkei, Inc., Form International
[Contractor] Shimizu Corporation, Shinryo Corporation, Kandenko

Information for visitors

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  • 2nd Sustainable Building Awards, Minister of Land, Infrastructure and Transport Prize (Institute for Building Environment and Energy Conservation, 2007)
  • 7th JIA Sustainable Architecture Award, Prize of Excellence (The Japan Institute of Architects, 2006)
  • Annual Architectural Design Commendation selected from Selected Architectural Designs of the AIJ (The Architectural Institute of Japan, 2007)
  • 45th SHASE Awards of Technology, Category in Building Mechanical Service System (The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan, 2007)
  • 4th Environmental and Equipment Design Awards, Prize of Excellence (Association of Building Engineering and Equipment, 2006)
  • 18th Nikkei New Office Awards, Nikkei New Office Environment Prize (New Office Promotion Association, 2005)
  • JPCEA Awards, Fine Works Category (Japan Prestressed Concrete Engineering Association, 2004)
  • 6th JSSI Awards, Fine Work Prize (The Japan Society of Seismic Isolation, 2005)
  • 12th Chiba Prefecture Architectural Culture Awards (Chiba Prefecture, 2005)
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These cases are described based on assessment results obtained using CASBEE.
CASBEE is a method for rating the environmental performance of buildings using Building Environmental Efficiency (BEE) as an indicator, which is based on the results of separate scores obtained for Q-1~Q-3 (Quality) and LR-1~LR-3 (Load Reduction).