Review the critical hazards, potential consequences, persons at risk and recommended control measures for Confined Space Entry in one professional HSE workspace.
Review the key hazards, consequences and control measures for Confined Space Entry in a structured professional HSE format.
Loss of consciousness or fatality
Confined-space entrants
Atmospheric testing, ventilation and entry permit
Use continuous gas monitoring where required
Poisoning, fire or explosion
Entrants and rescue team
Gas testing, isolation and ventilation
Monitor atmospheric changes throughout the task
Delayed response and fatality
Entrants
Rescue plan, attendant and suitable rescue equipment
Verify the task-specific rescue method before entry
Suffocation or fatality
Confined-space workers
Positive process isolation
Physically verify all incoming lines before entry
Heat stress or loss of consciousness
Confined-space entrants
Ventilation and work-duration control
Set work/rest arrangements based on temperature and workload
Trips, falls or task errors
Confined-space workers
Suitable low-voltage or area-rated lighting
Verify lighting is suitable for the area conditions
Asphyxiation, poisoning or fatal engulfment
Confined-space entrants
Isolation and LOTO controls
Verify positive isolation on all incoming process lines
Fainting, heat exhaustion or serious health effects
Confined-space entrants
Ventilation and work-duration controls
Monitor temperature and implement a work-rest regime
Rescuers also becoming affected or killed
Rescue team
Rescue plan and ready rescue equipment
Prioritize non-entry rescue and verify rescue-team readiness
Use these ready hazards as your starting point, customize controls, evaluate risk levels and prepare your project-specific assessment in SERNEM.
Start Risk Assessment| ACTIVITY | Confined Space Entry | CATEGORY | Confined Space |
| # | Activity | Hazard | Consequence | Persons at Risk | Existing Risk Control | L | S | Risk | Action Required / Additional Controls | Person in Charge | Due Date | RL | RS | Residual Risk |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01 | Confined Space Entry | Oxygen deficiency | Loss of consciousness or fatality | Confined-space entrants | Atmospheric testing, ventilation and entry permit | 2 | 5 | 10 High | Use continuous gas monitoring where required | - | - | 2 | 2 | 4 Low |
| 02 | Confined Space Entry | Toxic or flammable gas | Poisoning, fire or explosion | Entrants and rescue team | Gas testing, isolation and ventilation | 3 | 3 | 9 Medium | Monitor atmospheric changes throughout the task | - | - | 1 | 2 | 2 Low |
| 03 | Confined Space Entry | Inadequate rescue preparation | Delayed response and fatality | Entrants | Rescue plan, attendant and suitable rescue equipment | 2 | 5 | 10 High | Verify the task-specific rescue method before entry | - | - | 2 | 2 | 4 Low |
| 04 | Confined Space Entry | Engulfment by liquid or solid material | Suffocation or fatality | Confined-space workers | Positive process isolation | 2 | 5 | 10 High | Physically verify all incoming lines before entry | - | - | 2 | 2 | 4 Low |
| 05 | Confined Space Entry | Extreme temperature | Heat stress or loss of consciousness | Confined-space entrants | Ventilation and work-duration control | 2 | 3 | 6 Medium | Set work/rest arrangements based on temperature and workload | - | - | 1 | 2 | 2 Low |
| 06 | Confined Space Entry | Inadequate internal lighting | Trips, falls or task errors | Confined-space workers | Suitable low-voltage or area-rated lighting | 2 | 3 | 6 Medium | Verify lighting is suitable for the area conditions | - | - | 1 | 2 | 2 Low |
| 07 | Confined Space Entry | Unexpected process ingress into confined space | Asphyxiation, poisoning or fatal engulfment | Confined-space entrants | Isolation and LOTO controls | 2 | 5 | 10 High | Verify positive isolation on all incoming process lines | - | - | 2 | 2 | 4 Low |
| 08 | Confined Space Entry | Heat stress inside confined space | Fainting, heat exhaustion or serious health effects | Confined-space entrants | Ventilation and work-duration controls | 2 | 3 | 6 Medium | Monitor temperature and implement a work-rest regime | - | - | 1 | 2 | 2 Low |
| 09 | Confined Space Entry | Secondary exposure during confined-space rescue | Rescuers also becoming affected or killed | Rescue team | Rescue plan and ready rescue equipment | 2 | 5 | 10 High | Prioritize non-entry rescue and verify rescue-team readiness | - | - | 2 | 2 | 4 Low |