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http://dx.doi.org/10.5345/JKIBC.2021.21.2.157

Assessment of Accident Level Based on Contract Amount by Type of Construction  

Yi, Kyoo-Jin (School of Social Safety System Engineering, Hankyong National University)
Publication Information
Journal of the Korea Institute of Building Construction / v.21, no.2, 2021 , pp. 157-163 More about this Journal
Abstract
The accident rate is obtained by dividing the number of accidents by the number of regular workers. In the case off construction work, however, the accident rates are not accurately figured out, because they use the approximate number of regular workers, which is estimated based on the amount of construction work and the labor ratio. In addition, the current accident rate estimation method does not reflect the characteristics of construction types, such as building, civil, plant, etc. This study is conducted with the aim of presenting a supplementary method of accident rate assessment that incorporates the characteristics of type of construction. For the purpose of this, correlation and regression analysis are executed to verify the relationships between number of accidents and the amount of construction contract, and several equations are derived which shows the relationship between the number of accidents by accident types and amount of constract by construction types. The result shows that the non-residential work amount and the number of accidents showed a proportional relationship, while the civil work amount and the number of accidents showed an inversely proportional relationship. The results of this research are expected to calibrate the construction accident rates and to be used as an auxiliary indicator to determine the trend of annual accident rates by comparing the values with usual years.
Keywords
construction accident; construction safety; safety management; regression analysis; accident rate;
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