Within the frame of the application of the Juran-Deming model, the quantitative assessment of the occupational safety stable state for the industrial facilities was carried out. The optimal level of the occupational safety expenditure was identified, which ensures the occupational safety stable state provided that the efficiency of the occupational safety management system is assessed as good. Determination of the optimal level of the occupational safety costs is based on the assessment of the risk value of damage to the personnel health, at which the amount of the occupational safety costs and the corresponding damage from death and injury of the enterprise personnel is minimized.
The social damage index is used to assess the value of the health damage risk. To determine the amount of damage caused by the death and injury of the personnel at work, the concept of the economic equivalent of human life cost is used.
The dynamics of the occupational safety costs and damage from death and injury at work in the Russian Federation for 2010–2020 is considered, their functional dependence on the risk of health damage is constructed. The optimal value of the risk of health damage equal to 0.437·10–3 is found. This value corresponds to the optimal level of the occupational safety costs equal to 11.5 thousand rubles per person per year. Considering the level of inflation, the risk of damage to health is 0.335·10-3. It corresponds to the optimal level of the occupational safety costs in the amount of 19.9 thousand rubles per year per person.
The assessment of occupational safety costs was obtained in general for all the industries. Taking into account the fact that the risk levels of death and injury differ for different industries, the approach presented in the article allows to determine the stable state of the occupational safety and the level of the optimal occupational safety costs for each industry. Also, the proposed approach can be used to optimize the occupational safety costs within a separate enterprise.
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