HSE DOCUMENTS-CONFINED SPACE ENTRY CHECKLIST

 

1. Isolation Checklist

• Lockout/Tag out Performed? 
• Lines and Pipes Isolated?
• Electrical Power Controlled/Dissipated? 
• Signs and Barricades in Place? 
• Unauthorized Entrance Prevented? 

2. Pre-entry Checklist

• Ventilation Performed? 
• Air Tested to Confirm Adequacy of Ventilation? 
• Ventilation Maintained During Entry? 
• Atmospheric Air Testing Performed? 

3. Atmospheric Air Testing

• Oxygen between 19.5% - 23.5% 
• LEL 5% to 15% 
• CO below 35   ppm
• H2S   10   ppm 
• Contaminant Levels within Safe Limits? 
• Name of Air Testing Instrument Used. 
• Instrument Recently Calibrated? 

Hydrogen Sulfide (H2S): The safe level of hydrogen sulfide varies depending on exposure duration. For short-term exposures (15 minutes), the recommended safe level is typically 10 ppm. For longer exposures, the permissible exposure limit (PEL) may be 20 ppm over an 8-hour workday.

Hydrogen Sulfide (H2S): The safe level of hydrogen sulfide varies depending on exposure duration. For short-term exposures (15 minutes), the recommended safe level is typically 10 ppm. For longer exposures, the permissible exposure limit (PEL) may be 20 ppm over an 8-hour workday.

4. Special Equipment Needed

• List Any Special Safety Equipment Needed to Perform the Entry. 
• Respirators? 
• Fire Suppression? 
• Lighting?
• Body Protection?
• Hearing Protection? 
• Eye Protection? 

5. Special Task Specific Hazards

• Welding?

6. Burning/Brazing/Other Hot Work? 

7. Special Precautions Taken To Minimize Hazards

• List Any Special Precautionary measures taken Because of task-specific hazards

8. Rescue/Emergency Procedures

• Is all rescue equipment in place and operational?
• Is communication equipment operational? 
• Do Attendants and Entrants know their responsibilities?  

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