My mission within the Company LME (Flattened European Traders) to Trith-Saint-Léger (59) concerned the follow-up of the project of Quenching Tower. The purpose of this project is to be able to supply the former expensive installation by a new quality installation and which works well. The objective of my mission was to make the relation enter the engineering consulting firm which will have in load the installation of Quenching Tower and the service (department) of the maintenance which will have in load (responsibility) the preservation of the system in functioning. At first, I was able to analyze the existing installation. During this analysis, I was able to observe what was necessary for the smooth running of the new installation: study of the various phases of the oven, the temperatures in entry and in exit of the former (ancient) installation as well as a grip (taking) of measure of the flow of inhalation made by an outside company Secondly, I was able to follow the whole project, phase of the plans until the final realization. I was able to bring my observations, my improvements, my realizations in numerous domains such as the civil engineering, the hydraulics, the electricity, the mechanics which I then displayed (exposed), throughout the project, to the various teams of maintenance. My approach (initiative), once the installation realized by the engineering consulting firm, will allow the company LME to optimize the functioning of Quenching Tower without meeting of major problems.