Construction and engineering are the companies that specialize in the management and execution of civil engineering works, which range from the design stage through to the final turning projects, architecture, and structure of reality.

This is a set of complex and interdependent activities, at a cost breakdown on materials, labor, equipment, and other resources as well, following is a timeline of the execution of step-by-step, time-limits and responsibilities, it is started by means of a pre-feasibility study, with the analysis of technical and economic considerations in the design, development, construction, facilities, and finishes in accordance with the technical specifications and standards, conducting inspections, and discussed to ensure the quality and safety. In Brazil, the sector stands out in the creation of jobs, accounting for about 2.3 million workers in the formal for the year in accordance with the CAGED, and moving up to more than 330 billion per year.

The cooling tower water is used during the execution of major projects, civil engineering construction, when there is a need to temporarily cool down the heat generated by the equipment, as well as the thermal control of the raw materials used in specific cases.