Abstract :
[en] The article 12 of the Seveso II Directive (1996) requests that Member States assure that their land use policy takes account of the need, in the long term, to maintain appropriate distances between establishments covered by the Directive and various areas. However, the transport regulation and the risk associated of transport of hazardous materials are excluded of the objectives of the Directive as stipulated in the article 4.
Although they are rare events in Europe, major accidents involving the transport of dangerous goods are not negligible. They are indeed the cause of many victims and so particular attention has to be paid to this issue. These observations were further strengthened by an accident analysis conducted over the last decade. This historic analysis showed the interest of considering the risks associated with transport of hazardous materials.
This paper presents a methodology for risk quantification for the transport of hazardous materials. The development of this methodology is based on land use planning methodology in Walloon Region (Belgium). The objective is to obtain a tool which is applicable and consistent with Walloon transposition of the Seveso II Directive.
The Walloon approach selected for the risk assessment and the determination of the consultation zones is a probabilistic one with particular assumptions [1]. So, a similar approach was developed for the transport and especially led to use a specific module in the DNV software Phast Risk 6.6.
As will be presented in the paper, the application of this methodology for transport on some actual cases with Walloon criteria showed that, although the transport risk is lower than plant risk, it is not negligible and it is upper than decision thresholds used for land use planning in Wallonia.
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