The present study addresses the problems brought by the lack of preventive and corrective maintenance. The purpose of this work is to focus on the importance of preventive and corrective maintenance, for the prevention and conservation of engineering works. This work will focus and indicate some guidelines and measures that must be taken to keep the engineering works in order and in a good state of repair. The importance of the implementation of preventive and corrective maintenance for engineering works will also be mentioned, as well as the importance of always having at disposal a specialized team to be always ready to attend such eventualities that may occur in the facilities of this type of service and what are the basic requirements for a good manutentor.