Performance Evaluation of Supervisory Consultants on Road Reconstruction Projects in East Kalimantan, Indonesia

— Road constructions in East Kalimantan were conducted in 2022 and was expected to produce good infrastructure foolowing the plan. This cannot be separated from the role and performance of the supervisory consultant who provides expertise services to the project owner. This research aims to evaluate the performance of the supervising consultants on road construction projects in East Kalimantan, to determine the most dominant factor influencing the performance. This is important to construct strategies for performance improvement of the supervising consultants and the project itself. The data analysis method is factor analysis and multiple linear regression. Data were obtained with questionnaire distributed to 55 respondents from the contractor and project owner to the construction workers. Based on the results, the performance of the supervising consultant significantly affects the success of the road reconstruction project, on the element of work attendance in the training and briefing. This is demonstrated by the result of regression analysis; t-statistics 3.380 (> t-table 1.679). Furthermore, the most dominant factor affecting the performance of the supervising consultant is the control of occupational health and safety during project execution. This is demonstrated by the coefficient value of 0.744. Therefore, the supervising consultant must attend intensive training (workshop) and conduct a meeting prior to the project execution in order to set the evaluation standard and discuss the occupational health and safety control in the road construction project