Abstract

The goal of the contribution is ARAMIS methodology presentation by a specific case study on the assessment of risks of major accidents in an industrial establishment unclassified within the scope of the SEVESO II Directive, but in spite of this the enterprise that represents a significant risk of major accident to employees and neighbouring inhabitants. At present, any legislative pressure is not being produced on the operators of such unclassified sources to make risk analyses and contribute thus to major accident prevention and risk reduction. The ARAMIS methodology was developed as a project within the 5th EC Framework Programme in a team of known European workplaces with the aim to prepare a harmonised methodology for risk assessment especially for the purpose of meeting the conditions of the SEVESO II Directive. A subgoal of the submitted analysis was to test the applicability of the new ARAMIS methodology to the conditions of unclassified risk sources.

Highlights

  • The ARAMIS methodology (“Accidental Risk Assessment Methodology for IndustrieS in the framework of the SEVESO II directive”) was developed as a project within the 5th EC Framework Programme (Energy, Environment and Sustainable Development Programme) in the period from 2002 to 2004

  • The ARAMIS project proposes a harmonised methodology for risk assessment aimed at diminishing uncertainties and result variability and at including the evaluation of risk management efficiency into the analysis

  • The detailed description of the ARAMIS methodology is presented in a form of a case study in the enterprise unclassified within the scope of the SEVESO II Directive

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Summary

Introduction

The ARAMIS methodology (“Accidental Risk Assessment Methodology for IndustrieS in the framework of the SEVESO II directive”) was developed as a project within the 5th EC Framework Programme (Energy, Environment and Sustainable Development Programme) in the period from 2002 to 2004. The detailed description of the ARAMIS methodology is presented in a form of a case study in the enterprise unclassified within the scope of the SEVESO II Directive (or the Czech Act No 353/1999 of the Code on major accident prevention, as subsequently amended). The selection of those pieces of equipment, for safety of which the documentation in the area of major accident prevention is required, is being exercised on the basis of limit amounts of hazardous substances given in the Act No 353/1999 of the Code. This rather simple procedure according to the cumulative formula brings advantages and disadvantages. As risk sources not subject to the legal effect of the Act No 353/1999 of the Code on major accident prevention, e.g. food-processing complexes (breweries, dairies, meat combines), sports facilities (ice-stadiums, swimming pools) and further water treatment plants, storage areas of pressure vessels, pumping stations and storage tanks of LPG were identified

Identification of Potential Risk Sources in the Enterprise
Selection of Major Risk Sources
Association of a Critical Event
MIRAS method
Construction of “Bow-Tie” Diagram for Each Critical Event
Determination of the Frequency of a Critical Event by Fault Tree Analysis
Determination of Frequencies of Dangerous Phenomena
C3 C2 C2 C3 C3 C4 C2
Selection of the Reference Accident Scenario
S Index
Conclusion
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