Modernization may involve the renovation of old systems, improving them both aesthetically and functionally. Thanks to the continuous development of new technologies and solutions, it is possible to enhance efficiency, safety, and design, bringing systems up to the latest standards. Reactivation of out-of-service systems begins with a thorough analysis of their condition. This initial phase allows us to identify any critical issues and define the necessary interventions. Afterwards, all required extraordinary maintenance work is carried out, along with the technical upgrades needed to meet current regulations, ensuring full functionality and system safety.