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|Authors:||Robert Folchi: NITREX, Italy|
|Publication title:||Explosion and Fire Hazard Assessment for Explosives; Ammunition; and Fertilizer Facilities Following EU Directive 96/82/EU "SEVESO": Contribution for Guidelines Proposal|
|Conference:||Proceedings from the Third International Disposal Conference; Karlskoga; Sweden; 10-11 November; 2003|
|Publication type:||Abstract and Fulltext|
|Abstract:||The European Directive 96/82/EC; “Seveso II”; requires the quantification of the impact induced in the event of a major accident. However; for explosive materials; no Eurocode; procedures; algorithms; nor specific reference values for damage calculations were specified within the Directive. In order to confirm the validity of “Seveso II Risk Assessments” damage calculations; EU member states can only refer back to their own previously existing legislation on explosives. But calculation methods; scaling laws; and reference values for safety distances vary from one member state to another. Also; the progress that has been made in improving the quality and safety of modern explosives has not necessarily been reflected in all state legislation; some of which is more than 50 years old.|
A strong need exists; within Europe; for the adoption of a harmonized approach for assessing the potential damage from major accidents involving explosives. This article illustrates a methodology suitable for use as the basis of achieving a consistent approach within Europe. The procedure presented here is a development of a method first used for undertaking the explosion and fire hazard assessments for mass detonating explosives; which was published in the March/April 2003 issue of the “Journal of Explosives Engineering”. The original method has been further refined; by experience from the consideration of ammunition and oxidising agents; and also extended to include not only the maximum possible impact of an accident but also the maximum probable impact. Formulae for the first approximation calculation of the effects induced in the surroundings by impacting factors due to the occurrence of the accident are proposed. Threshold values for each impacting factors are given with reference to damage severity levels.
A graphical representation of the results from the hazard assessment is achieved by the use of iso-damage areas in which boundaries of the severity damage levels are fixed for each given probability of occurrence of the major accident. A list of bibliographic references is included.
|No. of pages:||1|
|Series:||Linköping Electronic Conference Proceedings|
|Publisher:||Linköping University Electronic Press; Linköpings universitet|
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