Human Reliability Assessment Analysis with Human Error Assessment and Reduction Technique (HEART) Method on Sterilizer Station at XYZ Company

Abstract

The matter of human reliability is a subject that has great influence on work-related accident levels or productivity levels of a product. Work-related accidents at XYZ company has 3 types of accidents that occur at boiling station and most of it are caused by human error from work operators, such as boiling overtime, lorry that went off track, inputting inaccurate boiling pressure standards, low discipline levels, not using protection equipment. XYZ company is one of many companies that processes palm oil. Human Reliability Assessment is done using HEART (Human Error Assessment and Reduction Technique) method. At first, an analysis is done on work operator’s tasks by organizing HTA (Hierarchical Task Analysis). The resultant description of tasks at boiling station reveal that there is 11 tasks being handled by operator. Based on the calculation, the value of HEP (Human Error Probability) is highest on setting boiling time task with the value of 0,5324. The second highest is 0,5251 on setting steam pressure task. Researcher has analysed which task with the highest HEP value using Fishbone diagram, and continues to compile prevention methods for human error based from EPC, HEP, and Fishbone diagram.