This standard applies to any operation that requires employees, inspectors, or contractors to enter or work inside any manhole, sewer, sump, vault, vat, pit, tunnel, tank, tank car, or similar confined space.
The OSHA Confined Space definition:
- A space that is large enough and so configured that an employee can bodily enter and perform assigned work;
- A space that has limited means for entry or exit;
- A space that is not designed for continuous employee occupancy.
No confined space shall be entered until adequate precautions have been taken to ensure the safety of the entrant/s and their work environment.
Permit-Required Confined Space (entry by permit only):
The OSHA permit-required confined space (entry by permit only) means a confined space that has one or more of the following characteristics:
- Contains or has the potential to contain a hazardous atmosphere;
- Contains a material that has the potential for engulfing an entrant;
- Has an internal configuration such that an entrant could be trapped or asphyxiated by inwardly converging walls or by a floor which slopes downward and tapers to a smaller cross-section;
- Contains any other recognized serious safety or health hazard.
Confined Space Permits
- Air Handlers
- Boiler Entry Operation
- Burson Roof Monitors
- CAB Dining Hall Crawl Space
- Cooling Towers
- Diesel and Fuel Oil Tanks
- Dust Collectors and Cyclones
- Electrical Manholes
- Electrical Vaults
- Mechanical Sumps and Pits
- Sanitary and Stormwater Pump Lift Stations
- Sanitary Sewer Manholes
- Steam Manholes
- Stormwater Manholes
- Telecommunication Manholes
- UNC Charlotte Confined Space Summary Sheet