| Original | Renovation |
Main Window Size | Horizontal window: (1000 mm × 1100 mm) × 3 | Horizontal Window: 2500 mm × 8000 mm Skylight: 3200 mm × 15000 mm |
Window to Wall Ratio | 1:30 | 1:3 |
Mean Daylight Factor | 1.29 | 6.18 |
Meet the criteria of CIBSE | NO | YES |
Minimum Daylight Factor (%) | 0.4 | 4.4 |
Meet the criteria of CIBSE | NO | YES |
Uniformity Ratio | 0.46 | 0.71 |
Meet the requirement of CIBSE | NO | YES |
Occupied time of 300 lux-Daylight Autonomy (%) | 48.08 | 90.05 |
DGP | Low | Relatively Higher |