Until now, the rate of work accidents in industrial construction is higher than in other industries. The occurrence of work accidents on construction projects will affect the performance of construction project implementation. Workers who experience frequent work accidents do not follow work procedures or want to find shortcuts. Therefore, this research aims to discuss the application of occupational safety and health to the performance of construction project workers in Banjarbaru City. This research is likely to increase the awareness of workers and developers to use Personal Protective Equipment (PPE). The study was conducted with several questions to respondents regarding this research, contractors, and developers regarding the effect of occupational safety and health on strategies to improve the implementation of occupational safety and health on development projects in Banjarbaru City. Then, the questionnaire data tabulation was carried out, then using the Relative Importance Index (RII) method to find out what dominant factors influence the implementation of the Construction Safety Management System in the implementation of housing development projects. A strategy will be made to improve the application of occupational safety and health in housing development projects in Banjarbaru, South Kalimantan.

Keywords : K3, OHS Implementation Improvement Strategy, and RII.