BACKGROUND: Awareness of safety is still very low and that is an unfavorable behavior toward safety. It certainly leads to the high number of accidents in the workplace, especially in the mining sector. AIM: The research objective was to develop a model of behavior-based safety in the workplace based on religiosity and psychological conditions of labors at PT. Semen Tonasa. METHODS: The method of the study used in this research was cross-sectional design that was explanatory research, based on the perception of the respondents. The research variables were exogenous variable, namely, religiosity, intervening variables: Psychological condition, knowledge, and attitudes, and safety culture and endogenous variable: Behavior-based safety practices. Data analysis test used path analysis by structural equation modeling. RESULTS: This study had found empirically that behavior-based safety was affected by religiosity factor through three paths, namely, the variables of psychological condition, safety culture, and religiosity of the workers. Thus, the development of the model refers to workers’ religiosity, psychological condition, and safety culture. The implementation of behaviorbased safety in the workplace must be initiated from the top management to the workers at the bottom. Internalization of religious values should be started from the individual level to the top management level. CONCLUSION: This internalization can be implemented through the continuous training and strict supervision. To facilitate the implementation of behavior-based safety, the company is recommended required to make religious cooperate management or spirituality cooperate management which is aligned with other organizational structures in PT Semen Tonasa so that the implementation of religious values is not partially but systemically internalized in PT. Semen Tonasa.