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6. Qualitative methods for analyzing domino effects
These qualitative methods, widely used because of their simplicity, represent an approach to preliminary analysis of domino effect hazards. An initial selection of critical equipment (target source) is considered with regard to accident propagation. This is based on the use of escalation or damage threshold values to identify potential targets for possible cascades. This enables potential propagation paths to be determined. The possibility of propagation is studied by comparing the escalation vectors, i.e. the intensity of the physical effects generated by the hazard phenomena of the primary accident at the position of the potential target, with the escalation or damage threshold values of the targets considered.
In France, the regulatory authorities have published a guide for estimating potential material damage based on thresholds of effect on structures...
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Qualitative methods for analyzing domino effects
Current quantitative method
Bibliography
Regulations
Seveso I" Directive, No. 82/501 of June 24, 1982 (OJEC August 5, No. L 230) on the major accident hazards of certain industrial activities.
Seveso II" Directive, No. 96/82 of December 9, 1996 (OJEC Jan. 14, 1997, No. L 10) on the control of major-accident hazards involving dangerous substances.
So-called "Seveso III" Directive, No. 2012/18/EU of July 4, 2012 (OJEU No. 197 of...
Databases
ARIA – BARPI – Ministère de la Transition écologique et solidaire https://www.aria.developpement-durable.gouv.fr/
MAH – Major accident hazard pipelines http://www.hse.gov.uk/pipelines/hseandpipelines.htm
...Software tool
ARIPAR 5.0 – Reference Manual – Software Tool for Area Risk http://publications.jrc.ec.europa.eu/repository/handle/JRC67147
Technical centers
INERIS
HSL-Health and Safety Laboratory
TNO
...Standards
FD ISO Guide 73 – Risk management – Vocabulary (classification index: X50-251) December 2009.
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