Safety analysis methodically assesses potential hazards and risks associated with a system. It encompasses an evaluation of all potential sources of harm, including equipment failures, human errors, and external factors, aiming to identify vulnerabilities and devise risk mitigation strategies. This proceeding presents the safety analysis technique and results for the Cassegrain U-Band Efficient Spectrograph (CUBES), Very Large Telescope (VLT) class Instrument, with a specific focus on its safety aspects. This analysis presents the assessment of the Severity, Probability, and Risk factors that each hazard has on humans, damage to products, or the loss of operations. CUBES, as a complex instrument, falls into multiple hazard classes, each with unique risks. Thus, this safety analysis plays a crucial role in ensuring the project’s safe operation. The methodology used follows five steps in Assessing and Mitigating the risk. Obtained results give an insight into the effectiveness of the carried out mitigation, reducing the unacceptable hazards from twenty-one to zero.
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