The Method of Minimizing the Integral Fire Risk by Optimally Covering the Fire Departments
Background. The method of minimizing the integral fire risk by increasing the coverage ratio of the serviced territory is considered. Taking into account that the value of the calculated integral fire risk in all regions of Ukraine exceeds the permissible level, then there is a scientific and applied problem, which lies in reducing the specified risk level to acceptable values.
Objective. The aim of the paper is to determine the method of minimizing the integral fire risk to acceptable values by optimally covering the territory serviced by the fire units. Find the mathematical dependence of the coefficient of coverage and integral risk and minimize the risk to acceptable values.
Methods. The relationship between the travel time to the place of call and the fire risk of the respective territory was established through the correlation-regression analysis. Using statistical data, the dependence of the response time on the hazard event on the coverage coefficient was found. Taking into account the normative values of the driving time and the level of fire risk, the method of covering the territory by the fire departments was determined.
Results. The application of certain methods made it possible to reduce the level of integral fire risk to acceptable values.Conclusions. According to the results of the work, the mathematical dependence between the coverage ratio and the travel time to the place of call was determined. The method of minimization of integral risk is proposed by reducing the time of flight of operational-rescue units to the place of call. The travel time will be reduced by increasing the coefficient of coverage of the respective territory by the areas of service of rescue units. The example of the Bliznyukovskiy district of the Kharkiv region shows how this method works.
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