Lattice aoyama

Last Uploaded: July, 2008

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Inside housing unit after conversion (compact water facilities) ©ACTUS

Inside housing unit after conversion (compact water facilities) Inside housing unit after conversion (unsuspended ceiling height 3m and horizontal multiple windows) Inside office before conversion Inside housing unit after conversion

Entrance hall (1st Floor) before conversion Entrance hall (1st Floor) after conversion Standard floor plane elevation after conversion (apartments) Standard floor plane elevation before conversion (offices)

Special Features

Q-1 Indoor Environment	Noise: Low-noise equipment, soundproofing sheets for drains Soundproofing: (Before renovation) Slab thickness 120mm → (After renovation) Slab thickness 120mm + soundproofing sheets Light / visual environment: Wooden louvers and balconies newly installed Air quality environment: Fstarstarstarstar construction materials, 24-hour ventilation, asbestos removed
Q-2 Quality of Service	Functionality: (Before renovation) Ceiling height 2.5m → (After renovation) Ceiling height 3.0m unsuspended ceiling Adaptability: (Before renovation) Weight load – for office purposes 2900N / m² → (After renovation) For housing purposes 1800N / m² + margin of 1100N / m² Others: Pleasant visual environment, natural light intake and ventilation from horizontal multiple windows
Q-3 Outdoor Environment on Site	N/A
LR-1 Energy	Thermal load of building: Heat insulation processing on outer walls
LR-2 Resources and Materials	Low environmental load materials: Recycled construction materials (MDF boards), particle boards, Fstarstarstarstar construction materials, use of wood from coniferous trees, etc.
LR-3 Off-site Environment	Prevention of atmospheric pollution: (Before renovation) Cool air PAC, no boiler → (After renovation) All electric

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).