Human Error Analysis on Rubber Tyred Gantry Operation Using CREAM Method
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Abstract
The container terminal facility service company produces loading and unloading of containers wich supported by loading and unloading equipment, one of loading and unloading equipment that has important role is Rubber Tyred Gantry (RTG) with high operating hours, so potentialy for accident. When preliminary research was conducted on a container service company by collecting accident data of RTG operation, The data generated by the accident occurrence of RTG operation in period of 4 years from 2018-2021 there were 75 accidents. Further analysis conducted about causes of RTG accidents based on 3 factors, human factor, equipment factor, and environmental factor, The result is human factor the main cause with a percentage of 75%. So in this research it is necessary to analyze human error in the operation of the RTG. This research conducted a human error analysis using the Human Reliability Assessment (HRA) method, namely CREAM with the aim to knowing the highest Cognitive Failure Probability (CFP) value and then making improvements to reduce and prevent human errors. After conducting a human error analysis using the CREAM method on the operation of the RTG generated the highest CFP value is in the subtask 3.3, 4.4, and 5.3 with a value of 0.0047. Repair recommendation action is given are revisions to WI, providing refreshment to RTG, increasing safety patrols.
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