The request
“A construction site risk matrix with harm severity on the horizontal axis and likelihood on the vertical axis. Plot falls from scaffolds, plant vehicle strikes, manual handling strain, dropped tools, temporary power shock, and slips on wet surfaces.”
Then tryAdd excavation collapse as a severe risk.Move temporary power shock to more likely.
What is in this drawing
Read the decisions behind it.
01Name hazards
Use specific site activities and events.
02Estimate exposure
Place hazards using agreed likelihood and severity scales.
03Plan controls
Record controls for the risks that need immediate treatment.
Use this at planning meetings and refresh it when the site work changes.
More like this
Other examples in this family.
FAQ
Common questions
What does a construction risk matrix show?
It compares site hazards by likelihood and potential harm.
Who should contribute to it?
Supervisors, workers, and safety specialists who understand the site work.
When should it be updated?
Update it when the work scope, conditions, or controls materially change.