DBPapers

METHODOLOGY FOR AN ACCIDENT WITH MAJOR ENVIRONMENTAL IMPACT PROPAGATION FLOW INDEX DETERMINATION

B. Florin, B. Crinela, V. Vasilescu, A. Doru, G. Vasilescu
Thursday 11 October 2018 by Libadmin2018

ABSTRACT

The quantification of the influence exerted on the targets from an establishments concerned by the SEVESO II Directive requirements can be performed through the potential danger resulting by the aggregation of the gravity index and the propagation flow index. Starting from the environment’s specific characteristics, the major accident’s propagation kinetics and the distance between the target and the danger source, the paper has as goal to depict a propagation flow determination method. In this index determination it was considered the phenomenon isotropy and anisotropy, and the definition of lethal, irreversible, reversible and without effect zones was done based on the national and EU legislation requirements concerning the prevention and control of major accident hazards involving dangerous substances. The isotropy concept is considered in a spatial manner, and the application rules are outlined bellow: for the isotropal phenomena, the effect zones are circular;for the anisotropal phenomena, the effect zones are partitioned in sectors.

Keywords: risk assessment, rescue activity, dangerous substance, industrial/occupational analyzer accidents, risk matrix


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