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All Journal JENIUS (Jurnal Ilmiah Manajemen Sumber Daya Manusia) International Journal of Economics (IJEC)
De Carvalho Belo, Gabriel Barreto
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Economics, Econometrics & Finance

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Lean Management Implementation to Improve Productivity and Efficiency in Electrical Construction Projects: A Case Study at Bozer Construction Unipessoal LDA, Timor Leste De Carvalho Belo, Gabriel Barreto
International Journal of Economics (IJEC) Vol. 4 No. 2 (2025): July-December
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijec.v4i2.1459

Abstract

This study aims to evaluate the implementation of Lean Management principles and their impact on productivity and efficiency in electrical construction projects, focusing on a case study at Bozer Construction Unipessoal LDA in Timor Leste.The research employs a qualitative descriptive method using a single embedded case study design. Data were collected through semi-structured interviews with key project staff, direct field observations, and analysis of internal project documentation.The study found that Lean tools—specifically Just-In-Time (JIT), Kaizen, and Total Quality Management (TQM)—significantly contributed to minimizing waste, improving scheduling accuracy, and enhancing workforce coordination. However, challenges were encountered, including limited knowledge of Lean concepts, cultural resistance to bottom-up improvement processes, and logistical barriers in maintaining timely material delivery.Despite constraints, the adoption of Lean strategies yielded measurable performance improvements: reduced project delays, enhanced material efficiency, and improved quality control. This case illustrates that Lean Management can be adapted effectively even in resource-constrained, post-conflict settings like Timor Leste.This study contributes to the limited empirical literature on Lean Construction in Southeast Asia, offering practical insights for similar developing country contexts. It demonstrates that local adaptation and incremental implementation of Lean principles can lead to substantial gains in project delivery performance
Analysis of Potential Hazards of Work Accidents to Workers Using the Hazard Identification, Risk Assessment and Risk Control (HIRARC) Method in Freight forwarding Companies Tetelepta, Jerry Octovianus; De Carvalho Belo, Gabriel Barreto
Jurnal Ilmiah Sumber Daya Manusia Vol 8 No 3 (2025): JENIUS (Jurnal Ilmiah Sumber Daya Manusia)
Publisher : Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/JJSDM.v8i3.46222

Abstract

Every activity involving human factors, the environment, and machinery goes through stages of hazard processes. PT. XYZ is a company engaged in providing integrated logistics services. Issues concerning workers' safety an; Health practices remain, as certain work processes pose risks of workplace accidents, resulting in losses for both the company and the workers. The objective of this study is to identify potential Hazards, assess risks, and implement control measures using the HIRARC method. Observations were made on several activities performed by workers or drivers, such as document collection, picking up goods from clients, and delivering them to their destinations. Data collection was conducted through direct observation, interviews, and documentation, including reports on workplace accidents, safety policies, and operational procedures. The research findings identified various types of Hazards and assessed their likelihood of occurrence. Based on these findings, measures must be developed to prevent accidents or mitigate their impact through systematic Risk Control steps.
Co-Authors Tetelepta, Jerry Octovianus