OSHA considers a space to be confined if it meets all of the following criteria:
- The space is large enough for an employee to enter and perform work.
- It has limited entry and exit.
- 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.