(101b) Insights from 650 Tank Farm Fires – the Second Database Update
AIChE Spring Meeting and Global Congress on Process Safety
2023
2023 Spring Meeting and 19th Global Congress on Process Safety
Global Congress on Process Safety
Tutorials in Process Plant Safety Symposium (PPSS)
Tuesday, March 14, 2023 - 4:00pm to 4:30pm
The research provides valuable insights regarding the frequency of tank farm fires, the frequency of boilover, the frequency of injury/fatality, the expected number of injuries/fatalities per incident, the frequency of dike fire, the probability of failure of the fire water system, the time to extinguish (TtEx) the fire, the ignition source, and the type of tank roofs. When the database provided sufficient information, these numbers appear as a function of the stored product. The data also allowed plotting TtEx as a function of (a) time for over a century, (b) tank diameter, and (c) number of tanks on fire.
This article also discusses issues that impact (a) the confidence level on the parameters developed under this research and (b) the confidence level in risk assessments that use these data. It illustrates the results of the confidence analysis for a risk assessment of a distribution terminal that handles low and high flashpoint materials. By showing the risk estimates excluding and including the results of the confidence level analysis, this case study shows that this type of analysis can significantly impact risk decision making.
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