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SEVESO III Directive

Risk analysis and assessment in scope of SEVESO

The ASE Group offers a number of comprehensive measures resulting from the requirements specified for the end users of plants in which there is a risk of major accidents occurrence.

These activities are carried out in an orderly manner and form the major accidents prevention system of industrial plants. The range of services includes:

  • qualification procedure of a plant as the lower tier establishment or the upper tier establishment,
  • notification of the lower tier establishment or the upper tier establishment to the State Fire Service,
  • development of an accident prevention program,
  • development of a protection system,
  • development of a safety report,
  • development of an internal emergency plan.

The key element of any major accident prevention system is to perform a proper analysis and assessment of risks. The ASE group, utilizing years of experience related to the process safety analysis, functional safety analysis and the assessment of explosion risks, has developed a methodology for performing these analyses which is being recognized by the State Fire Service.

The procedure of analysis performance is based upon a series of analytical steps that result in determining the level of risk related to the plant operation. Whole process is shown on the diagram.

The main changes compared to the Seveso II Directive

The most significant change, from the point of view of the enterprises, is the implementation of a new system of classification of dangerous substances in accordance with the Regulation of the European Parliament and of the Council, Regulation (EC) No. 1272/2008 dated 16 December 2008, on classification, labelling and packaging of substances and mixtures (CLP). In case of existing plants, directive requires to perform again the qualification procedure of a plant as the lower tier establishment or the upper tier establishment and implement the appropriate modifications in existing documentation, in particular in notification to the State Fire Service, accident prevention program and safety report.

Furthermore, Seveso III Directive is implementing changes in the scope of spatial planning and development of establishments posing a risk of major accidents, analysis of possible domino effects and informing the community of the risks posed by the plant (to adapt to the provisions of the Aarhus Convention).

The content of Seveso III Directive increased emphasis on the importance of performing risk analysis in the process of developing a major accidents prevention system for industrial plants.

Necessary changes and updates:

  1. Audit and overview - documented overview of the effectiveness of the policy and safety management system.
  2. The re-evaluation of quantity of substances being used in the plant in accordance with the new requirements.
  3. Process and technical safety analysis, including the reliability analysis of the system to the needs of the safety report and other related documents.
  4. Technical expertises on the needs of safety report and other related documents.
  5. Development of new documents on the needs of safety report and other related documents.
  6. Identification of training needs and providing training.

The implementation of the Seveso III Directive

In accordance with the provisions of the Seveso III Directive, Member States shall bring into force the laws, regulations and administrative provisions necessary for implementation of this Directive until 31 May 2015. They shall apply those provisions from 1 June 2015.

The Seveso III Directive specifies the adjustment periods for industrial plants. According to the provisions of the Directive, elaboration of a company declaration, accident prevention program, safety report and internal emergency plan in accordance with the requirements of the Directive should be implemented until 1 June 2016.


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