Night Work & Jobsite Lighting

Road work, shutdowns and tight schedules push work into the night. Poor lighting hides hazards, makes workers hard for drivers to see, and night shifts bring fatigue.

Photo: nighttime road crew with balloon lights and Class 3 hi-vis

Minimum lighting (construction)

AreaMinimum foot-candles
General construction area lighting5
Concrete placement, excavation and waste areas, accessways, active storage, loading platforms, refueling and field maintenance areas3
Indoors: warehouses, corridors, hallways and exitways5
Tunnels, shafts and general underground work areas5 (10 at the heading during drilling and mucking)
General construction plant and shops10
First aid stations, infirmaries and offices30

These are minimums. Detailed tasks need much more light.

Working safely at night

Standards & references

Last updated: