Articles
DOI DOI: 10.62441/actainnovations.v63i.1278

AN INTEGRATED ERGONOMIC RISK FACTOR AND FREQUENCY-CONSEQUENCE APPROACH FOR TASK-LEVEL RISK PRIORITIZATION IN BUILDING CONSTRUCTION

I Ketut Sutapa1, I Nyoman Ramia 2, A A Ayu Asta Oktaviani Putri1, I Ketut Mahardika Putra1, I Putu Pandu Rusmana1, Putu Ogi Suryadinata1
  1. 1 Lecturer Civil Engineering Politeknik Negeri Bali Badung Indonesia.
  2. 2 Lecturer Civil Engineering Politeknik Negeri Bali Badung Indonesia.

Abstract

Construction activities are associated with a high prevalence of work-related musculoskeletal disorders due to intensive manual handling, awkward postures, and sustained physical load. Despite this, ergonomic risk management in construction is often based on job-category classification or conventional risk matrices, which provide limited guidance for task-level intervention. This study aims to develop and empirically validate an integrated framework for task-level ergonomic risk prioritization by combining standardized ergonomic exposure assessment with probabilistic risk scoring in building construction projects. A descriptive-analytical cross-sectional study was conducted across multiple building construction sites in Bali, Indonesia, comprising 250 task-level observations. Ergonomic exposure was quantified using the Ergonomic Risk Factor (ERF) instrument standardized under SNI 9011:2021, while safety risk was assessed using frequency–consequence (F×C) analysis. An integrated ERF-F×C priority matrix was constructed to identify high-priority ergonomic tasks. Inferential analyses included one-way ANOVA to examine differences in ERF across job types, Spearman correlation to assess the relationship between ERF and F×C scores, and binary logistic regression to determine independent predictors of high-priority ergonomic risk. The results showed that ERF values were consistently high across job types, with no statistically significant differences observed (ANOVA, p = 0.874). ERF demonstrated a significant positive correlation with F×C scores (ρ = 0.227, p = 0.0003). Logistic regression confirmed that ERF was an independent predictor of high-priority ergonomic risk (OR = 1.022, p = 0.019), whereas job type, work experience, and personal protective equipment use were not significant predictors. These findings demonstrate that integrating ergonomic exposure metrics with frequency-consequence analysis provides a statistically supported and operationally meaningful approach for task-level ergonomic risk prioritization in building construction.

How to Cite

Sutapa, I. K., Ramia , I. N., Putri, A. A. A. A. O., Putra, I. K. M., Rusmana, I. P. P., & Suryadinata, P. O. (2026). AN INTEGRATED ERGONOMIC RISK FACTOR AND FREQUENCY-CONSEQUENCE APPROACH FOR TASK-LEVEL RISK PRIORITIZATION IN BUILDING CONSTRUCTION. ACTA INNOVATIONS, 63, 1016–1023. https://doi.org/10.62441/actainnovations.v63i.1278
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