Tokyo Gas Kouhoku NT Building "Earth Port"

Last Uploaded: July, 2008


Ecological Core 1

Special Features

Q-1 Indoor Environment	Masking effect by a wall of waterfall Adaptability of floor layout by floor panels with air outlet. Light Shelf High level of thermal and sound insulation by two-layer energy-saving glass
Q-2 Quality of Service	Sense of openness and space due to ceiling height of 2.8-3.4m Wide space for refreshment Free room design due to pillarless office space Convenience of equipment renewal due to removable floor
Q-3 Outdoor Environment on Site	Continuity with surrounding town by planting of exterior areas on site Mitigated heat environment due to rooftop concentration of artificial heat exhaust
LR-1 Energy	Special Low-e double glazing, louvered double glazing Use of daylight (light shelf) Natural ventilation (ventilation tower, automatic open-shut ventilation windows) Reduction of powered conveyance due to VAV, VWV Effective use of energy due to cogeneration Monitoring and commissioning by BEMS
LR-2 Resources and Materials	Rainwater use system and Gray water reuse system Use of natural materials (wooden OA floors), recycled materials (recycled concrete)
LR-3 Off-site Environment	Composting of organic garbage Low-noise equipment

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).