309. Rescue procedure: A rescue procedure making it possible to rapidly assist any worker performing work in an enclosed area shall be established and tested.
Such a procedure shall be implemented as soon as any situation so requires.
This procedure shall provide for the necessary rescue equipment. It may also make provision for a team of rescuers, an evacuation plan, alarm and communications devices, personal protective equipment, safety harnesses, lifelines, a first aid kit with emergency equipment as well as recovery equipment.