ABSTRACT
The construction of underground works carries a high prevention in terms of safety, being considered works of high risk. These works are considered of great importance, being necessary the intervention of knowledge where experience, creativity and theory, play an important role. It is necessary to ensure the safety of all actors involved in performing underground works, and companies are responsible for taking all necessary precautions to ensure that the safety plan is implemented correctly. In order to deepen his knowledge on this subject, the author carried out his study entitled “Risk Analysis in the Execution of the Holy Water Tunnel”. With the purpose of develop this work, the researchers were allowed to follow the various phases of the Águas Santas tunnel project. For the risk analysis and hierarchization, the William T. Fine Method was used. It was concluded that In addition to the achievement of a good safety plan, it is the responsibility of all stakeholders to respect all safety rules, from the use of personal and collective protection equipment to signage, in order to reduce or even eliminate the risk of accidents.
