Analysis of Workforce Competency and Certification on Success in Construction Projects in Bali Province

Abstract

Construction project success is strongly influenced by workforce competency, which can be demonstrated through certification. Despite regulatory requirements in Bali Province mandating certified competent labor for both large- and small-scale projects, limited research has examined the effect of workforce competency on project success when moderated by certification and grouped by project scale in Bali. This research aims to analyze the effect of construction workforce competency on construction project success and to examine this relationship when moderated by construction workforce certification. This study employs a quantitative approach with primary data collected through questionnaires distributed to 70 certified construction workers using purposive sampling, divided equally into large-scale and small-scale project groups. Data analysis was conducted using Structural Equation Modeling based on Partial Least Squares (SEM-PLS). The results indicate that, overall, construction workforce competency has a positive and significant effect on construction project success, with a t-statistic value of 3.834 and a p-value of 0.000. Based on the Multigroup Analysis (MGA), construction workforce competency continues to significantly influence construction project success in each group. There is no significant difference in the effect of workforce competency on construction project success between small-scale and large-scale construction projects, as indicated by a path coefficient difference of 0.166 and a p-value greater than 0.05 (0.283 > 0.05). Certification positively moderates the competency–success relationship (p = 0.013), with no significant difference in moderating effect between project scales (p = 0.452 > 0.05).