Harnesses, lifelines, and a winch shall be used as appropriate. The Authorized Attendant shall at all times keep a log of the Authorized Entrants working inside the confined space. The Authorized Attendant must maintain constant contact with the Authorized Entrants. The Authorized Attendant shall take necessary precautions and measures to keep unauthorized individuals from entering the confined space area. The Authorized Attendant shall have the authority to initiate evacuation procedures in the event that conditions on the outside or inside of the confined space changed and pose a hazard.
Automatic alarms sound.
In the event that a worker is unable to evacuate the confined space, the Authorized Attendant shall contact emergency rescue personnel via radio. The Authorized Attendant and any other personnel on the outside of the confined space shall attempt to hoist the worker out by using the lifeline.