Last Uploaded: July, 2008

Marunouchi Building

Architectural DataFeaturesCasbee ScoreTechnical DetailsBack to Building List建物リストに戻る
Exterior with canopies using mullions
Exterior with canopies using mullions Natural ventilation system for the atrium Pine piles from the foundations of the old Marunouchi Building  

Special Features

Q-1 Indoor Environment
Q-2 Quality of Service
  • Office ceiling height 2.8m, floor height 4.2m
  • Ample views ensured, free layout of office space
  • Semi-public space with 3-floor atrium
  • Improved aseismic properties due to unique anti-vibration studs
  • Equipment design plans taking account of equipment redundancy and renewal (replacement space, duplication of piping, renewal space)
  • Improved reliability during disasters due to use of permanent power generator
Q-3 Outdoor Environment on Site
  • Rooftop greenery
  • External structure enhances amenity through combined consideration of road at front
  • History of the old Marunouchi Building preserved, architectural art gallery
LR-1 Energy
LR-2 Resources and Materials
LR-3 Off-site Environment
  • Deodorizing of kitchen exhaust fumes
  • Forecasting and measures to reduce wind damage
  • Reduced sewerage load by decreasing rainwater runoff and reusing kitchen wastewater

Other Features

N/A

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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).