This current document has as main objective presenting the tasks and activities which were carried out by the intern, during the internship period as an engineering assistant in civil works and fire systems at D&T Proyectos SAS, making a detailed description of the development of activities, annotations, and results of each one of them. Also, presents in a theoretical way the different systems and elements that are presented in a fire network, situations where is possible to apply them and what type of risk are facing each one, classifying them based on their combustion, these tools being the product of the knowledge acquired in the entity during the development of assigned activities and responsabilities.