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Evaluation of Occupational Safety and Health Risks in Steel Construction Work in E-House Projects in the Modern Steel Construction Industry Ananda Doharman Sormin; Hery Irwan
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 3 (2026): RESWARA: Jurnal Riset Ilmu Teknik, July 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i3.537

Abstract

The modern steel construction industry presents a relatively high level of Occupational Safety and Health (OSH) risk due to work-at-height activities, heavy material lifting, welding, steel cutting, and heavy equipment operation. E-House projects, as modular steel-based facilities, involve complex construction activities requiring comprehensive risk evaluation. This study aims to evaluate OSH risks in steel construction work on E-House projects using the Hazard Identification, Risk Assessment and Risk Control (HIRARC) approach integrated with Job Safety Analysis (JSA). A quantitative descriptive design was employed through field observations, interviews, documentation studies, and risk assessments covering fabrication, lifting, erection, welding, grinding, and work-at-height activities. The findings identified 35 potential hazards consisting of 8 high-risk, 19 medium-risk, and 8 low-risk categories. The highest risks were associated with steel erection, crane lifting operations, and work-at-height activities with risk ratings exceeding 15. Risk control measures including personal protective equipment, permit-to-work systems, equipment inspections, safety briefings, and supervision significantly reduced risk levels. The study contributes to the enhancement of OSH management systems in modern steel construction projects and provides practical references for improving workplace safety culture.
Analysis of Factors Causing Delays in MCT Sealing Block Handi Block HB40 Material Distribution for Offshore Fabrication Using Fishbone Diagram Setyananda Ikhsan Al-Mishkey; Hery Irwan
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 3 (2026): RESWARA: Jurnal Riset Ilmu Teknik, July 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i3.698

Abstract

Material distribution delays can disrupt offshore fabrication because production activities depend on the timely availability of specialized materials. This study aims to identify the root causes of delays in the distribution of MCT Sealing Block Type Handi Block HB40 materials using Root Cause Analysis (RCA) through the Fishbone Diagram. A descriptive qualitative case study approach was employed. Data were collected through direct observations of material planning, procurement, shipment, monitoring, and receiving processes, supported by document reviews and relevant literature. The analysis included problem identification, cause classification, Fishbone Diagram development, and interpretation of causal relationships. The results indicate that distribution delays are influenced by five interrelated factors: Man (People), Method, Material, Machine/Facilities, and Environment. The major causes include inadequate coordination, insufficient integration between distribution planning and fabrication schedules, uncertain supplier lead times, limited shipment tracking, and weather and multimodal transportation constraints. The Fishbone Diagram demonstrates that distribution delays result from the interaction of these factors rather than a single dominant cause. The findings provide a systematic framework for improving offshore material distribution by strengthening cross-functional coordination, integrating planning with fabrication schedules, improving supplier lead-time management, and enhancing shipment monitoring systems.
Analysis of Broken Connector Defects on the G0FL Line Using the PDCA Method in a Wiring Harness Company Gilang Fachrat Firmansyah; Hery Irwan
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 3 (2026): RESWARA: Jurnal Riset Ilmu Teknik, July 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i3.700

Abstract

Product quality is a critical determinant of competitiveness in the wiring harness industry because defects in connector components may disrupt electrical continuity, assembly performance, and customer satisfaction. One recurring problem found on the G0FL line of a wiring harness company was broken connector defects, which contributed significantly to total line defects. This study aims to analyze the causes of broken connector defects and propose quality improvement actions using the Plan-Do-Check-Act method supported by seven quality control tools. The research was conducted through direct observation, defect data collection, Pareto analysis, cause-and-effect analysis, 5W+1H analysis, and before-after defect comparison. The initial observation showed that broken connector defects accounted for the largest proportion of defects on the G0FL line. Root cause analysis indicated several dominant causes, including improper handling, unstable material positioning, insufficient operator awareness, inappropriate work methods, and weak process monitoring. Improvement actions were implemented through work instruction revision, operator retraining, jig and handling standardization, visual control, and routine defect monitoring. After implementation, the broken connector defect rate decreased from 0.81% to 0.30%, representing a reduction of 62.96%. The findings show that the PDCA method is effective as a structured continuous improvement approach for minimizing connector-related defects in wiring harness production.