(the paper was presented at European ESREL conference, Estoril, Portugal, 2006)

ABSTRACT: Understanding the reasons for incident and accident occurrence is important for an organisa-tion’s safety. Different methods have been developed to achieve this goal. To better understand the human behaviour in incident occurrence we propose a analysis concept that combines Fault Tree Analysis (FTA) and Task Analysis (TA). These methods were complemented with the use of the Human Error Identification in System Tools (HEIST) methodology and the concept of Performance Shaping Factors (PSF) to deepen the in-sight into the error modes of an operator’s behaviour. To show the validity of the approach, a case study at a Bulgarian Hydro power plant was carried out. An incident – the flooding of the plant's basement – was ana-lysed by combining the afore-mentioned methods. With our case study we show that Task Analysis in combi-nation with other methods can be applied successfully to human......

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Title: Combining Task Analysis And Fault Tree Analysis For Accident And Incident Analysis: A Case Study From Bulgaria
Approximate Word Count: 4890
Approximate Pages: 20 (250 words per double-spaced page)

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