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All Journal Bulletin of Pedagogical Research
I Kadek Laju
Politeknik Pelayaran Sumatera Barat, Indonesia
Education

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Optimizing Repair and Maintenance of Waste-Processing Machinery for Sustainable Environmental Management in Pariaman City Budi Riyanto; I Kadek Laju; Riki Wanda Putra; Arya Widiatmaja; Hasri Devin; Akbar Alim
Bulletin of Pedagogical Research Vol. 5 No. 3 (2025): Bulletin of Pedagogical Research
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bpr.v5i3.2036

Abstract

This study addresses persistent waste-management challenges in coastal urban areas by optimizing the performance of waste-processing equipment at the Reduce-Reuse-Recycle (TPS3R) facility in Pariaman City. It was conducted through a Reliability-Centered Maintenance (RCM)–based repair and preventive maintenance program. The intervention combined field observation, identification of critical components, operator technical training, and the implementation of a structured maintenance schedule adapted to local operational conditions. Implementation involved collaboration among TPS3R management, local community members, and technical staff from Politeknik Pelayaran Sumatera Barat. Data were collected through direct observation, semi-structured interviews, and documentation of maintenance activities. Post-intervention evaluation demonstrated substantive gains in machine processing efficiency, up to an 80% improvement relative to baseline and a marked reduction in breakdown frequency. Operators showed measurable increases in technical competence and consistent adherence to Standard Operating Procedures (SOPs) for safe and effective machine operation. The findings underscore the value of vocational higher-education–community partnerships for technology adaptation, capacity building, and fostering a maintenance culture that supports sustainable urban waste systems. The program represents a scalable, replicable model for similar coastal contexts and contributes to Sustainable Development Goals 11 (Sustainable Cities and Communities) and 12 (Responsible Consumption and Production).  
Implementing Risk Management to Enhance Navigation Safety in Indonesian Maritime Domain Rosnani; Euis Happy Wangloan; I Kadek Laju; Rizal Rochmansyah
Bulletin of Pedagogical Research Vol. 5 No. 3 (2025): Bulletin of Pedagogical Research
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bpr.v5i3.2038

Abstract

This study examines the implementation of risk management to improve maritime safety at Teluk Bayur Port, aiming to (1) analyze risk management practices and (2) identify principal risk factors. A descriptive case-study design with supporting quantitative analysis was applied; data were collected by field observation, questionnaires (n = 90, purposive sampling) and documentation; analyses included descriptive percentages, simple regression, SWOT and risk assessment. Results show high awareness of risk management (87.7%) but a significant training gap (53.8% never trained). The main risk factor is adverse weather (82.7%), followed by inadequate infrastructure and human error. Quantitative analysis indicates a positive and significant effect of risk management implementation on maritime safety (regression coefficient b = 0.432; r = 0.860; R² = 0.739; p = 0.000), meaning 73.9% of safety variance is explained by implementation. Mitigation measures involve digital integration, training, and emergency procedures. Conclusion: risk management at Teluk Bayur is underway but not fully optimal or integrated; recommendations include regular training and simulations, infrastructure and navigation equipment modernization, strengthened inter-agency coordination, and data-driven risk management to shift from reactive to predictive and preventive safety practices.
Co-Authors Akbar Alim Arya Widiatmaja Budi Riyanto Euis Happy Wangloan Hasri Devin Riki Wanda Putra Rizal Rochmansyah Rosnani