Lighting that aligns with recommended practice
Common Areas | Illuminance (Lux) | Uniformity | ||
---|---|---|---|---|
Task | Notes | Horizontal (Eh) | Vertical (Ev) | Avg:min |
General Corridors | Eh at floor; Ev at 5′ AFF* | 100-200 | 30-60 | 2 to 1 |
Lobby | ||||
Day | Eh at floor; Ev at 5′ AFF | 400-800 | 75-150 | 4 to 1 |
Night | Eh at floor; Ev at 5′ AFF | 200-400 | 30-60 | 4 to 1 |
Reading/Waiting Areas | Eh and Ev at 2′- 6″ AFF | 300-600 | 150-300 | 4 to 1 |
Reception Desk | Eh at 3′- 6′ AFF; Ev at 5′ AFF | 300-600 | 100-200 | 4 to 1 |
Waiting Rooms | ||||
Day | Eh at floor; Ev at 4′ AFF | 200-80 | 15-30 | 4 to 1 |
Night | Eh at floor; Ev at 4′ AFF | 100-80 | 15-30 | 4 to 1 |
To convert lux to foot candles, divide lux value by 10.7
Illuminance levels listed in the charts above represent recommended industry standards for ages ranging from 25 to > 65.