Advanced fire safety standards and laws are being applied to new high-rise buildings, but existing high-rise buildings are maintained and managed based on previous fire safety standards, which makes them weak to fire hazard response. This study was conducted to evaluate the survey results for the maintenance status of fire compartments and principal firefighting facilities of 157 buildings using the performance evaluation table for fire safety of existing high-rise buildings. This paper presents actual problems in the maintenance of fire compartments and firefighting facilities of existing high-rise buildings. In addition, it provides reference materials that can be used to establish policies for supplementing the fire safety performance the buildings in the future.
In this study, fire case analysis and fire type and risk analysis were conducted for each process according to the ISO 17776 checklist to determine the firefighting activities and worker evacuation areas in case of a fire in a petrochemical plant. Therefore, fire modeling was performed for storage tanks with the largest fire load according to the wind speed and combustibles in order to analyze the radiant heat and smoke behavior. The effects of radiant heat and smoke were increasingly high in the order of n-heptane, gasoline, and diesel. Moreover, the firefighting activities and worker evacuation areas varied greatly depending on the wind speed rather than combustibles. However, because the results of the study cannot exclude the possible dependence on the fire modeling, it is necessary to generalize and standardize the results of the study by accumulating data through various scenarios.
Plant facilities should exhibit the same fire resistance performance as general buildings even though they generally have combustibles with high fire risk, unlike general buildings. Therefore, in this study, the fire resistance performance was evaluated considering the cellulosic fire presented in KS F 2257-1, which is the standard for evaluating fire resistance performance of general buildings, and hydrocarbon fire that can occur in the plant presented in UL-1709.
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