Mirror duct cross section
Mirror duct cross section
Photo of cafeteria brightly lit by mirror duct
Interior photo of mirror duct
Light collection part of mirror duct
Hi-tech curtain wall
Detailed plan of perimeter
Concept diagram of natural ventilation system
Special Features
| Q-1 Indoor Environment |
- Non-draft air-conditioning method using all-floor convection
- Task and ambient air-conditioning using personal blower outlets
- External air volume control using co2 concentration detector
- Improvement of air quality by dividing off smoking areas
- Use of mirror duct to collect light in underground staff canteen
|
| Q-2 Quality of Service |
- Office productivity improved by the "vertical village" concept
- Ceiling height 2.8m, floor height 4.1m
- Earthquake-proof reliability assured by seismic-isolation structure
- Optimal maintenance design and installation of equipment using 3D-CAD
|
| Q-3 Outdoor Environment on Site |
- Green roof
- Car park designed to blend with landscape
- Correlation between interior and exterior maintained by the use of a sunken garden
|
| LR-1 Energy |
- Use of hi-tech curtain wall (low-ε double glazing + horizontal vertical louvers + push-pull air barrier + gradation blinds)
- Natural ventilation system by the stack effect of the vertical village
- Task and ambient air-conditioning using the all-floor convection method
- Use of cogeneration using exhaust gas injection water cooler and heater
- External air cooler system
- Reduction of conveyance power by using the VAV / VWV system
|
| LR-2 Resources and Materials |
- Use of water-saving sanitary appliances
- Use of rainwater as a gray water source
- Use of wooden water receptacle tanks
- New gas fire extinguishing system (nitrogen gas extinguishers)
|
| LR-3 Off-site Environment |
- Mitigation of heat island phenomenon by using green roofs and planting site greenery
- Rainwater utilization along with infiltration of rainwater
- Thermal discharge and air exhaust from the rooftop
|
Other Features
N/A
