Development of an Integrated Human Error Simulation Model in Nuclear Power Plant Decommissioning Activities

Table 1

PSFs for nuclear power plant decommissioning activities.

Level 1	Level 2	Influential factors (Level 1)	Influential factors (Level 2)
Human	Stress	Work stress	Work characteristics
			Work shift
		Team stress	Team atmosphere
			Decision making and responsibility
			Role overload
			Work conflict
		Individual stress	Fatigue
			Personal factors
	Emotional state	Excitement	—
		Boredom
		Frustration
		Dissatisfaction
Operation	Work process design	Decommissioning technology	—
		Decommissioning toll selection
		Worker safety
	Team factor	Response based on the work situation	—
		Leadership
		Communication and decision making
		Team workload
	Working condition	Discomfort	Tension while performing task
			Physiological phenomena and physical abnormality
			Discomfort while wearing equipment
		Tool arrangement	Worker’s route in the workplace
			Worker safety during working
			Tool operational area
		Working environment	Noise/lighting/temperature
			Radiation level
Ergonomic system	Equipment maintenance	Consumable part replacement condition	—
		Maintenance cycle	Task-specific characteristics
			Consumable replacement cycle
	Operation complexity	Procedure availability	Procedure suitability
			Procedure acceptability
		Equipment operation	Ability to operate equipment
			Worker’s knowledge