Understanding the roles of Confined Space Entry and Attendants
Authorized Entrants
Authorized entrants are employees who have been trained and approved to enter a confined space. These employees must have had training regarding the potential hazards of the confined space, as well as the signs and symptoms of overexposure to any of the hazards. They should be familiar with all equipment, know if the equipment is explosion-proof, and know how to tell when it is properly grounded. Authorized entrants must know how to communicate with the attendant, especially if a prohibited condition or a hazardous situation arises. Entrants must agree to exit immediately if an order is given to do so or an alarm goes off. Entrants must wear full-body harnesses with retrieval lines attached to the center of their backs or above their heads or wristlets if full-body harnesses are shown to be infeasible.
Authorized Attendants
Authorized attendants must be able to monitor situations inside and outside confined spaces so they can order entrants to evacuate a space if a dangerous situation arises in either place. Attendants must be well aware of the hazards of the confined
space and also aware of the physical and behavioral effects of hazard exposure so that they would notice the effects in any of the entrants. If an emergency situation arises in the confined space, the attendant is the person responsible for summoning emergency services and performing whatever rescue operation he or she has been trained and equipped to perform. Another responsibility is keeping all unauthorized entrants out of the confined space. Under no circumstances is an attendant permitted to leave the space until replaced by another attendant or all entrants have come out of the space trained and equipped to perform. Another responsibility is keeping all unauthorized entrants out of the confined space. Under no circumstances is an attendant permitted to leave the space until replaced by another attendant or all entrants have come out of the space.
Entry Supervisors
Entry supervisors must know the hazards of confined spaces and the signs and
symptoms of overexposure to those hazards. They must verify that permits are filled
in, the appropriate testing and procedures have been completed, and all equipment
is in place. The supervisor is the person responsible for knowing when and under
what conditions to cancel a permit and terminate the work. Supervisors must also
remove unauthorized persons. Finally, they are responsible for making sure rescue
services are available and the means for calling them are operable.
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