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Puja , IGN Wiratmaja
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Mechanical Engineering

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FAILURE MODES AND EFFECTS ANALYSIS (FMEA) ON TRACK INFRASTRUCTURE INTEGRITY ASSESSMENT Angga Ahmad Maulana; Puja , IGN Wiratmaja; Wicaksono, Satrio
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1855

Abstract

Track infrastructure plays an important role in the railway business, where the safety of rail travel is determined by the integrity that exists in each component of the railway track. In this paper, an integrity assessment of track infrastructure is carried out using the Failure Modes and Effects Analysis (FMEA) method by identifying various failure modes for each component and track geometry that have existed in the field. Then a survey was conducted to track maintenance experts at PT Kereta Api Indonesia (Persero) to get the value of severity, occurrence, detection, and recommended actions taken. Based on the analysis, the failure mode with the highest Risk Priority Number (RPN) is the cracked rail on the welding/fish plate joint with a value of 280, while the failure mode with the lowest RPN is the loose rail with a value of 108. Then 21 failure modes fall into the "unacceptable" risk level, 4 failure modes fall into the "tolerable" risk level, and 1 failure mode falls into the "acceptable" risk level. From the results of this assessment, it is expected to help in prioritizing the risk of failure, so that the maintenance strategy can be planned properly, and the safety of train travel can be maintained.
FAILURE MODES AND EFFECTS ANALYSIS (FMEA) ON TRACK INFRASTRUCTURE INTEGRITY ASSESSMENT Angga Ahmad Maulana; Puja , IGN Wiratmaja; Wicaksono, Satrio
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1855

Abstract

Track infrastructure plays an important role in the railway business, where the safety of rail travel is determined by the integrity that exists in each component of the railway track. In this paper, an integrity assessment of track infrastructure is carried out using the Failure Modes and Effects Analysis (FMEA) method by identifying various failure modes for each component and track geometry that have existed in the field. Then a survey was conducted to track maintenance experts at PT Kereta Api Indonesia (Persero) to get the value of severity, occurrence, detection, and recommended actions taken. Based on the analysis, the failure mode with the highest Risk Priority Number (RPN) is the cracked rail on the welding/fish plate joint with a value of 280, while the failure mode with the lowest RPN is the loose rail with a value of 108. Then 21 failure modes fall into the "unacceptable" risk level, 4 failure modes fall into the "tolerable" risk level, and 1 failure mode falls into the "acceptable" risk level. From the results of this assessment, it is expected to help in prioritizing the risk of failure, so that the maintenance strategy can be planned properly, and the safety of train travel can be maintained.
RISK ASSESSMENT OF GAS PIPELINE CROSSING UNDER RAILWAY TRACKS AND DENSE RESIDENTIAL AREAS Nurdiansyah, Angga; Puja , IGN Wiratmaja; Kariem, M Agus
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1885

Abstract

The crossing of Gas pipelines with railways is part of the energy transportation infrastructure that requires special attention, both to the operational safety of the pipeline and the railway line itself. Therefore, stakeholders need to conduct a risk assessment of each pipeline and railroad crossing to ensure that the risks are within safe and tolerable limits. This study aims to assess the risk at a gas pipeline crossing with a railway line in Central Java Province, Indonesia, using a quantitative risk assessment (QRA) approach with reference from the BS 8010-3:2009 +A1 2013 standard. The assessment results at the crossing showed an individual risk of 3,35x10-8/year and a societal risk in the ALARP Zone. The proposed risk mitigation can reduce the individual risk from 3,35x10-8/year to 1,12x10-8/year. However, although the risk mitigation can reduce the individual risk at the crossing location, the societal risk is still in the ALARP Region. Therefore, the crossing between the gas pipeline and the railway needs the attention, both pipeline operators and railway companies, to ensure the operational safety and security of both parties.
Co-Authors Angga Ahmad Maulana Kariem, M Agus Nurdiansyah, Angga Satrio Wicaksono