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Volume 18, issue 4 | Copyright
Nat. Hazards Earth Syst. Sci., 18, 1201-1221, 2018
https://doi.org/10.5194/nhess-18-1201-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Apr 2018

Research article | 20 Apr 2018

Analysis of a risk prevention document using dependability techniques: a first step towards an effectiveness model

Laetitia Ferrer1, Corinne Curt1, and Jean-Marc Tacnet2 Laetitia Ferrer et al.
  • 1Irstea, 13100 Aix-en-Provence, France
  • 2Irstea, 38402 Grenoble, France

Abstract. Major hazard prevention is a main challenge given that it is specifically based on information communicated to the public. In France, preventive information is notably provided by way of local regulatory documents. Unfortunately, the law requires only few specifications concerning their content; therefore one can question the impact on the general population relative to the way the document is concretely created. Ergo, the purpose of our work is to propose an analytical methodology to evaluate preventive risk communication document effectiveness. The methodology is based on dependability approaches and is applied in this paper to the Document d'Information Communal sur les Risques Majeurs (DICRIM; in English, Municipal Information Document on Major Risks). DICRIM has to be made by mayors and addressed to the public to provide information on major hazards affecting their municipalities. An analysis of law compliance of the document is carried out thanks to the identification of regulatory detection elements. These are applied to a database of 30 DICRIMs. This analysis leads to a discussion on points such as usefulness of the missing elements. External and internal function analysis permits the identification of the form and content requirements and service and technical functions of the document and its components (here its sections). Their results are used to carry out an FMEA (failure modes and effects analysis), which allows us to define the failure and to identify detection elements. This permits the evaluation of the effectiveness of form and content of each components of the document. The outputs are validated by experts from the different fields investigated. Those results are obtained to build, in future works, a decision support model for the municipality (or specialised consulting firms) in charge of drawing up documents.

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We propose a method to evaluate a French document effectiveness made by mayors and addressed to the public in order to provide information on major hazards. Our results highlight potential dysfunctions of the document, their causes and consequences and list detection elements to identify those dysfunctions. Those detection elements are about three types (content, form and regulatory compliance) and will be used to build a future evaluation effectiveness model as a decision-aid tool for mayors.
We propose a method to evaluate a French document effectiveness made by mayors and addressed to...
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