has now been 30 years since I pointed out to the former president of the UNI Lift Technical Commission, Luciano Bressan, the need to prepare a technical standard to regulate the lifts in service but requiring repairs and / or modernization. It was January 1992. The proposal was appreciated and lead by Luigi Sturchio, the coordinator of the working group, a first edition was published on 30 September 1994. That day marked the beginning of a new path. In a context where operators in the sector were used to repairing the contact strips of the lock bolt, to file the worn silvercoated pad of the relay clip, to bend the lamella of the inverter contact to improve the stop of the classic electrical system at one speed, the standard tended to point out that the lift must be seen as a whole, a machine comprised of It The first regulation for safety and modernization dates back to thirty years ago The lift was seen as a machine made up of electrical and mechanical components 9
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