6. Example of a quantified bow tie
6.1 Case study presentation
To illustrate the quantified bow-tie methodology, a simplified case is studied with the dreaded event "rupture of an unloading arm of a liquefied gas wagon". The assumptions are as follows:
liquefied gas is not unloaded in a closed enclosure;
the unloading station is located in an area that could potentially be affected by domino effects (explosion on a neighboring unit).
This case study is intended to illustrate the various stages of the method:
the creation of the fault tree, which enables an analysis of the minimum cuts in the tree and an assessment of the frequency of occurrence of the feared...
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Example of a quantified bow tie
Conclusion
Bibliography
Standards and norms
- Analyse par arbre de panne (AAP) - NF EN 61025 -
Regulations
Arrêté ministériel du 29 septembre 2005 relatif à l'évaluation et à la prise en compte de la probabilité d'occurrence, de la cinétique et de l'intensité des effets et de la gravité des conséquences des accidents potentiels dans les études de dangers des IC soumises à autorisation (Ministerial Order of September 29, 2005 on the assessment and consideration of the probability of occurrence, the kinetics and intensity of effects...
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