Vulnerabilidade populacional ao risco tecnológico: a dutovia implantada no ambiente urbano da cidade de Madre de Deus/BA
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Date
2020-03-30
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Universidade Católica do Salvador
Abstract
The risks of dangerous products raise the prospect of an increased accident in
transport through the pipeline, implanted in the urban environment of the municipality
in order to affect, through fatality, the group of people living in and around the city. As
a result, vulnerable areas were defined in order to determine the number of people
affected by the damaging effects of thermal load and overpressure resulting from an
accident on the pipeline. Due to the proximity between the pipeline and urban
structures, it was necessary to assess the number of people exposed to the harmful
effects of an extended accident. The evaluation was carried out through the standards
of tolerability of individual risk and social risk which were determined from the iso-risk
contour curves and the F-N curves, respectively. Through the risk analysis, it was
possible to evaluate the degree of reliability of the pipeline facilities, thus seeking to
establish the parameters to reduce and maintain the risk levels to acceptable
standards. The determination of vulnerable areas was indicated through 3 reference
levels 1%, 50% and 99%, percentages that correspond to the coverage curves of the
vulnerable areas, which were represented graphically on the thematic maps for better
spatial visualization of the curves reach. The accidental scenarios were carried out
from simulations, corresponding to the initiating events with the respective accidental
scenarios. For the development of the simulations, several parameters were adopted
as input data for the computer system. From the simulated events at the pipeline
facilities, the tolerability of the individual risk profile indicated the need to implement
measures to reduce the risk and for the social risk, the tracings of the F-N curves,
indicated that measures must be applied to reduce the risks in the pipeline.
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Keywords
Análise de vulnerabilidade, Risco individual, Risco social, Risco tecnológico, Madre de Deus - Bahia, Dutovia, Social risk, technological risk, Vulnerability analysis, Individual risk