Analysis of false alarms of fire alarm systems at public facilities in the period from 2021 to 2023

Introduction. False alarms from automatic fire alarm systems can cause serious problems such as shutting down the operation of a facility, the release of fire extinguishing agents and the unnecessary use of fire service resources. It is particularly important to recognize that delaying the arrival of fire units due to false alarms can exacerbate the situation. The purpose of the analysis is to identify the causes of false alarms and to develop recommendations to improve its effectiveness.

The object of the study is the triggering of fire alarm systems (FAS) at the objects of mass gathering of people.

Materials and methods. Empirical methods and methods of system analysis were used in the study. Regression analysis using the method of least squares for different types of regression equations was carried out.

Discussion Results. False alarms were found to occur more frequently in facilities with large areas where a large number of detectors and sources of false alarms are installed. Studies have shown that facilities with increased human activity are at greater risk of false alarms. To reduce the probability of false alarms in large facilities, it is recommended that detectors be installed in locations with the lowest probability of false alarms.

Conclusion. As a result of regression analysis, the equations describing the relationship between the area of objects of mass stay of people and the number of false alarms of fire alarm systems were obtained. On the basis of the results of the analysis recommendations for reducing the number of false alarms are developed.

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