Regional Basic Professional Training Course in Korea

11. Human Performance: A Perspective on Human Factors
Include other situational information that characterizes the work context:
Characterization of environmental work conditions.
Characterization of the man machine interface and its limitations.
Information on the tools used and their limitations, including available procedures
and work documents.
System/process characteristics, which are relevant for a good understanding of the
human error/behavior (e.g. degree of tolerance of system/process for human error,
presence of a pitfall situation, etc.).
Specific plant conditions which might have had direct influence on the operator’s
performance, such as pre‐event plant configuration (including recent performance history
of equipment), process parameters and other factors including off‐nominal and/or
dynamic conditions which resulted in unusual plant configurations and plant behavior.
Figures, including layouts, photographs or drawings which allow illustration of the
environment in which a failure occurred can help analysis of the man‐machine‐interface
and environmental factors.
Other situational information that characterizes the organization of the work includes:
Information on personnel work scheduling (including timing of activities; e.g.,
indicate if the problem was related to night work; time pressure due to work on
critical path, etc.);
Information on the type of supervision and the supervisory methods;
Organizational aspects including task assignment and task processing (work
planning and preparation), shift/team size and composition, and use of contractors;
Analysis of if, and to what extent, on the day of the event, the context was different
❙ 725 ❙