Roof replacement
| Activity / Task | Hazard | Possible consequence | Existing / minimum controls | L | S | Initial risk | Additional project controls | Responsible person | Residual risk |
|---|---|---|---|---|---|---|---|---|---|
| Welding/cutting/grinding | Sparks / hot metal | Fire, burns | Clear/protect combustibles; fire equipment; controlled hot work | 3 | 5 | 15 | Confirm fire watch and post-work monitoring | ||
| Hot work | Fumes / gases | Respiratory exposure | Ventilation/extraction; suitable RPE where needed | 3 | 4 | 12 | Assess coating/material and ventilation | ||
| Gas cylinders | Leak / fire / explosion | Major injury | Secure cylinders; correct regulators/hoses; storage controls | 2 | 5 | 10 | Leak check and handling control | ||
| Arc welding | Arc radiation | Eye/skin injury | Correct shield/screens/PPE | 3 | 3 | 9 | Protect nearby persons |
Review when the work, equipment, people or conditions materially change; after an incident/near miss; when controls are ineffective; or at the defined review interval.