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Risk Assessment for Marine Pilot Occupational Accidents using Fault Tree and Event Tree Analysis
Camliyurt, Gokhan,Choi, Sea-Am,Kim, So-Ra,Guzel, Ahmet Turgut,Park, Young-Soo Korean Institute of Navigation and Port Research 2022 한국항해항만학회지 Vol.46 No.5
Maritime transportation is one of the most complicated and hazardous business fileds. Maritime accidents still occur despite several precautions since maritime is exposed to natural factors more than any other industries. In this harsh environment as a part of their job, marine pilots often embark/disembark to/ from vessels and confront life-endangering personal accidents. In the maritime field, several risk assessments are applied. However, all of them could not evaluate occupational accident risk for maritime pilot specifically. This paper performs specific risk analysis using the bow-tie method based on past accident records. This paper aims to qualify root causes and quantify root causes by importance level according to occurrence probability. As a result of analysis, occupational accident occurrence probability is found to be 14%, indicating that accident occurrence rate is significantly high. Hence, the probability of root causes triggering accidents and accident occurrence probability can be ascertained so that preventive measurements can be implemented. Besides theoretical achievement, this paper provides safety awareness to marine pilots, Marine Pilot Organizations, and ship crew who play a key role during marine pilots' transfer.
Communication Failures During Chemical Tanker Cargo Operations
Guzel Ahmet Turgut,Wamugi Juilet Wangui,Camliyurt Gokhan,김대원,박영수 한국항해항만학회 2023 한국항해항만학회지 Vol.47 No.5
Chemical tankers handle a diverse range of cargo types, necessitating varied cargo handling procedures due to the hazards associated with each type. Consequently, operations require heightened precautions and attention. Any misinterpretation or oversight can result in irreversible accidents. The incidence of cargo overflow in prior chemical tanker operations was reported by 56.09% of 353 Turkish, Korean, and Indonesian participants in this study, substantiating the gravity of the matter. In this study, the variables that caused communication failure during cargo operations and countermeasures are discussed in detail. The analysis leveraged survey data processed using factor analysis via SPSS. All of the top five factors leading to communication failure were attributed to human errors. Notably, unfamiliarity with cargo operations emerged as the most prevalent cause of communication failures, and stopping a blaming culture was the first among the countermeasures. The identified causes of communication failures could be solved by the countermeasures suggested by the survey participants. The solutions will promote effective communication during hazardous cargo operations and subsequently contribute to safety with significant potential to provide valuable insight into companies operating a fleet of chemical tankers.