Identify hazards, evaluate risk and choose suitable controlsusing your workplace's assessment method and applicable Singapore requirements.
Tasks performed frequently where hazards are effectively mitigated through established Standard Operating Procedures (SOPs).
Activities involving hazardous energy or complex environments where a single failure can result in a fatality or catastrophic incident.
| Frequency \ Severity | Severity | ||||
|---|---|---|---|---|---|
1 Negligible | 2 Marginal | 3 Critical | 4 Catastrophic | ||
Frequency | 5 Frequent | 5 Minor Risk | 10 Medium Risk | 15 High Risk | 20 Unacceptable |
4 Probable | 4 Minor Risk | 8 Low Risk | 12 High Risk | 16 Unacceptable | |
3 Occasional | 3 Negligible | 6 Minor Risk | 9 Medium Risk | 12 High Risk | |
2 Remote | 2 Negligible | 4 Minor Risk | 6 Minor Risk | 8 Low Risk | |
1 Improbable | 1 Negligible | 2 Negligible | 3 Negligible | 4 Minor Risk | |
Work where a fall could cause injury. Assess access, edges, openings and fall prevention for the actual task.
Entry involving restricted access and possible hazardous atmospheres; plan isolation, testing, ventilation and rescue.
Welding, cutting or other tasks producing heat, sparks or flame.
Plan the load, lifting equipment, ground conditions, exclusion zones and communication.
Assess electrical hazards and establish suitable isolation and verification before work.
Check ground stability, buried services, access and nearby plant before disturbing the ground.
Specialist work with radiation sources requiring task-specific controls and authorisation.
Assess the substance, exposure routes and safe handling using current safety data.
Control hazardous energy and verify the safe condition before maintenance.