<![CDATA[Construction project management plays a vital role in ensuring the successful implementation of projects, particularly in achieving time efficiency.This study aims to analyze the effect of project resource proportions—namely labor, materials, and equipment—on the time efficiency of construction project implementation, using a case study of the Batununggal District Office Building construction project in Bandung. The research employed multiple linear regression analysis with three types of data: actual data, a model with the addition of labor, and a model with the reduction of two workers per week. The multicollinearity test results showed that the material variable was excluded from the model due to a very high multicollinearity value (Tolerance = 0.000; VIF = 00), so the analysis focused only on labor and equipment variables. Simultaneously, both variables significantly influenced time efficiency, as indicated by the actual data results (F_calculated = 628.085 > F_table = 19.00; sig = 0.002; R² = 0.998). Partially, labor had a significant positive effect (B = 7.377; sig = 0.001), while equipment had a significant negative effect (B = –1.589; sig = 0.019). The model with additional labor increased time efficiency to 7.87, higher than the actual condition of 5.52, whereas the model with reduced labor decreased efficiency to 3.04. The findings indicate that increasing the proportion of labor tends to improve time efficiency, while the equipment variable exerts an opposite effect on project time acceleration. Therefore, optimizing labor management strategies is the key factor in achieving project schedule targets. This study contributes by providing empirical insight into the effect of resource proportions on time efficiency and serves as a reference for project managers in formulating more effective labor allocation strategies.]]>
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