Job Hazard Analysis
5×5 Risk Matrix — initial risk, controls, residual risk
Job Hazard Analysis (JHA)
Break a job into steps. For each step: identify hazards, score initial risk, apply controls using the hierarchy (Elimination → Substitution → Engineering → Admin → PPE), then score residual risk.
Worst initial:9 · Medium
Worst residual:4 · Low
Job Information
Job / Task Title
Location
Team / Crew
Assessor
Date
Review Date
Job Description
Risk Matrix Reference
5×5 Matrix (Score = L × S)
| L \ S | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| 5 | 5 | 10 | 15 | 20 | 25 |
| 4 | 4 | 8 | 12 | 16 | 20 |
| 3 | 3 | 6 | 9 | 12 | 15 |
| 2 | 2 | 4 | 6 | 8 | 10 |
| 1 | 1 | 2 | 3 | 4 | 5 |
Low (1-4)
Medium (5-10)
High (11-16)
Extreme (17-25)
Hazard Analysis & Control
Step 1
Initial:9 · Medium
Residual:4 · Low
Task Step
Hazard(s)
Initial Likelihood
Initial Severity
Controls (use hierarchy: elimination → substitution → engineering → admin → PPE)
Residual Likelihood
Residual Severity
Responsible Person
Due Date