New approach to safety concept in construction. The model of Time – depending risk assessment
Saturday,
02/12/2023,
10:12(GMT +7)
PhD. Nguyen Đac Hien
(Sub-Institute of Labour Protection in HoChiMinh City)
ABSTRACT
This paper presents a conceptual model to support an advanced proactive safety management approach that is efficient not only in terms of the resource it requires, but also in terms of its impact on construction process flow. The model is based on the understanding that the risk levels to which workers are exposed, change through time. Accident risk levels are dependent on human factors, physical hazards, environmental factors ang organizational factors. Many of these are time dependent and their values can be derived from construction schedules. The model enables forecasting of risk levels for work team and individual workers as a function of time. The goal is dynamic “lean” level of effort invested in safety management, eliminating the “waste” effort inherent in standard practice, where a steady and uniform investment of accident prevention effort is applied throughout the project duration.
(Sub-Institute of Labour Protection in HoChiMinh City)
ABSTRACT
This paper presents a conceptual model to support an advanced proactive safety management approach that is efficient not only in terms of the resource it requires, but also in terms of its impact on construction process flow. The model is based on the understanding that the risk levels to which workers are exposed, change through time. Accident risk levels are dependent on human factors, physical hazards, environmental factors ang organizational factors. Many of these are time dependent and their values can be derived from construction schedules. The model enables forecasting of risk levels for work team and individual workers as a function of time. The goal is dynamic “lean” level of effort invested in safety management, eliminating the “waste” effort inherent in standard practice, where a steady and uniform investment of accident prevention effort is applied throughout the project duration.
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