Last Uploaded: July, 2008

Itoman City Hall

Architectural DataFeaturesCasbee ScoreTechnical DetailsBack to Building List建物リストに戻る
Office area (Internal view)
Office area (Internal view) Block plan in public facility-zone Civic Hall  

Special Features

Q-1 Indoor Environment
  • Supply of appropriate volume of outside air to each room by using an air conditioning and outdoor-air-processing unit
    Improved operability by using a packaged air-conditioning system that corresponds to load
  • Daylight use
  • Securing a path for natural ventilation
Q-2 Quality of Service
Q-3 Outdoor Environment on Site
  • Plan based on the mitigation of reclamation development regulation
  • Plan for a civic lobby/gallery that is a symbol of a City Hall that is open to citizens
LR-1 Energy
  • Natural energy use through photovoltaic power generation, natural ventilation and daylight use
  • Installation of exterior louvers shaped to match the solar insolation characteristic of each direction
LR-2 Resources and Materials
  • Installation of water-saving equipment
  • Rainwater use
LR-3 Off-site Environment
  • Reduction of load on electric power infrastructure by using a heat-storage-type heat source
  • Reduction of load on water supply infrastructure by using rainwater

Other Features


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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).