Site management shall implement an employee alarm system or tool that provides adequate warning for necessary emergency action for reaction time for safe escape of employees from the workplace or the immediate work area, or both.
The employee alarm shall be capable of being perceived above ambient noise or light levels by all employees in the affected portions of the workplace. Tactile devices may be used to alert those employees who would not otherwise be able to recognize the audible or visual alarm.
The employee alarm shall be distinctive and recognizable as a signal to evacuate the work area.