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Occupational Safety and Health Evaluation Using the Hazard Identification Risk Assessment and Risk Control (HIRARC) Method Based on Ergonomics Napitupulu, Daniel Willyam; Irwan, Hery
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.21231

Abstract

PT. XYZ is a medium-sized shipbuilding company engaged in ship repair, maintenance, and new shipbuilding services. The company faces a high potential for workplace accidents in Workshop Area 01, Shelter 05, and the Jetty Area. This study aims to analyze and evaluate workplace hazard potential using the Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method, based on ergonomic principles. The research methodology employed a quantitative and qualitative approach through observation, interviews, and the distribution of questionnaires to 78 workers. The novelty of this study lies in the integration of ergonomic principles into the HIRARC analysis to assess and control workplace accident risks. The analysis results identified 15 categories of potential hazards, with details as follows: 5 low-risk, 8 moderate-risk, and 2 high-risk hazards. High-risk hazards were identified in grinding and plate-cutting activities, which require immediate control measures. Control measures were implemented through the use of personal protective equipment (PPE), technical engineering, administrative measures, and worker education. This study concludes that the integration of ergonomics into HIRARC effectively helps companies identify and reduce workplace accident risks while improving workplace safety and comfort.
Penurunan Defect Leakage Sikat Gigi Elektrik Dengan Six Sigma Dmaic (Studi Kasus PT. PIB) Hutasoit, Meika Clara Nauli; Irwan, Hery; Sumarya, Edi
Jurnal Manajemen Rekayasa dan Inovasi Bisnis Vol. 4 No. 2 (2026): FEBRUARI 2026
Publisher : LPPM-ITEBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62375/jmrib.v4i2.827

Abstract

This paper condenses a Six Sigma DMAIC project implemented in an electric toothbrush assembly line at PT PIB, Batam. Baseline January–September 2025 records 967,700 units with 36,281 defects; leakage contributes ≈60% (21,774 units) and becomes the CTQ. Using Pareto, SIPOC, P-Chart, and fishbone, root causes were traced to unstable air pressure at the leakage tester, rubber-seal mismatch, missing controlled oiling at top-seal assembly, and operator variation. Post-implementation (Oct–Dec 2025) DPMO fell from ≈5,356 ppm (≈4σ) to ≈200 ppm (≈5σ), P-Chart points stayed in-control. These results demonstrate DMAIC effectiveness to reduce leakage defects and stabilize process capability.
Co-Authors Abd Rahman, MD. Nizam Achmad Yunus, Achmad Afma, Vera Alifudin, Ilham Alsyah Rizal anggie eka putri Annisa Purabasari Annisa Purabasari, Annisa Annisa Purbasari Annisa Purbasari, Annisa Anry, Anry S P Sihombing Aritonang, Fauzan Maulana Siddiq Choirul Anwar Choirul Anwar Crisantus Lawrensius Tongan Sitorus Crisantus Lawrensius Tongan Sitorus, Crisantus Lawrensius Tongan Dadang Redantan Dadang Redantan Dadang Redantan, Dadang Danang Parikesit Diah Pitaloka, Aminah Ebrahim, Zuhriah binti Edi Sumarya Edi Syahputra Elsa Berliani Fadhil mubaroq, Fadhil Falindo, Agri Fattah, Muhammad Rusydi Fauziyah Nur Jamal Gilang Ramadhan Holong P. Simanjuntak Hutasoit, Meika Clara Nauli Jamal, Fauziyah Nur joseph, flora Lilies Purbandaru Lilies Purbandaru, Lilies Maharani, Jacinda Merjani, Abdulah Nandar Cundara Nandar Cundara, Nandar Napitupulu, Daniel Willyam Napitupulu, Michel Frans Sisco Ngadiyono Ngadiyono, Ngadiyono Nizyak, Afrizah Khairul Novavictorianto, Yosef Kurnia Nuris, Muhammad Risky Alida Petra Paulus Tarigan Petra Paulus Tarigan, Petra Paulus Putra, Rahmanda Refdilzon Yasra Refdilzon Yasra, Refdilzon Risthia Eriana Putri Risthia Eriana Putri, Risthia Eriana Rohman, Muhammad Fatkhur Rumiyanto Rumiyanto Rumiyanto Rumiyanto, Rumiyanto Saputra, Yazelino Segara, Mutiara Mayang Sembiring, Ezra Mahyani Setiabudi, Yudi Simanjuntak, Holong P. Simarmata, Roberta Sinaga, Dina Sitohang, Sudika Diski Sudika Diski Sitohang Suirman Suirman Suirman Suirman, Suirman Sumarya, Edi Supriyanto Supriyanto Supriyanto Supriyanto Tarifar Bangun D. Tarifar Bangun D., Tarifar Tarigan, Ryan Dana Gidion Tri Yuningsih Tri Yuningsih Triyono Triyono Triyono Triyono Udin Udin Udin, Udin Vera Methalina Vera Methalina Afma Vera Methalina Afma, Vera Methalina Vera Methalina, Vera Yudi Setiabudi Yuniral Yuniral Yuniral Yuniral Yuniral, Yuniral Zaenal Arifin Zaenal Arifin Zidan Abdillah, Muhammad