When Does A Confined Space Require An Entry Permit?

Confined Spaces

OSHA considers a space to be confined if it meets all of the following criteria:

1. The space is large enough for an employee to enter and perform work.
2. It has limited entry and exit.
3. It is not designed for continuous employee occupancy,

Permit Required Confined Spaces

A confined space requires a permit for entry if the space has any of the following:

• A hazardous atmosphere or the potential for a hazardous atmosphere.
• A possibility of engulfment.
• Has a hazardous configuration.
• Contains any other recognized serious safety or health hazard.

 You can use the OSHA Confine Space Adviser to help determine the type of confined spaces at your facility.

References

• 29 CFR 1910.146 - Permit Required Confined Spaces
• Appendix A - Permit Required Confine Space Decision Flowchart