Hazardous atmosphere
Trapped pressure
Overhead hazards
Noise
Open flames or arcs
Crane operation
Dangerous chemicals (MSDS)
Dust
Flying hot particles or sparks Ionizing radiation
Excavation collapse
Extreme temperature
Danger of falling Flammables / Combustibles / Explosives
Safety systems disabled Electricity Adjacent operation (co-activity)
Heavy loads (lifting) Engulfment Other:
Moving machinery Traffic / Circulation