Taking into account the execution of the social, business or solidarity practice carried out by the student Sharin Zulay Osorio Giraldo of the civil engineering program, in the company Ever José Salgado Salgado located in the city of Bogotá DC, this document is presented to demonstrate the development of the proposed objectives and of each of the activities carried out, using each of the theoretical and practical knowledge in the execution and presentation of state contracting processes for the construction of civil works through the SECOP II platform, complying with each one of the responsibilities in charge and execute them respecting the order described in the activities schedule.