Which group of personnel are required to be present in confined space operations according to OSHA?

In confined space operations, OSHA regulations specify the critical roles that must be present to ensure safety and compliance. The group of personnel required includes entrants, attendants, and an entry supervisor. This trio of roles is essential for establishing a safe working environment in confined spaces.

Entrants are the individuals who physically enter the confined space to perform work, while attendants are stationed outside to monitor the entrants and maintain communication with them. This is vital as the attendant is responsible for ensuring that the entrants can safely exit in emergencies and that they are aware of any hazards. The entry supervisor oversees the entire operation, ensuring that safety protocols are followed and that all personnel are adequately trained and informed about the risks involved.

By having these three roles involved, OSHA aims to create a structured and safe environment that minimizes risks associated with confined spaces, which can include hazardous atmospheres, limited access, and potential for entrapment. This structure facilitates communication, safety monitoring, and rapid response in case of emergencies, making it the best practice for confined space operations.