The director of HORMIGON HECT Geovane Martins participated in the 6th Annual Meeting of the AACE (Association for the Development of Costs Engineering), held on December 6 and 7, 2018, at Rio Othon Palace, Rio de Janeiro, debating with attorneys Fabio Peixinho Gomes Correa and Fabiane Verçosa, under the mediation of Rafael Alves, the subject “Expertise in Arbitration Involving Engineering Issues”. In addition to this discussion table, several other important themes for the context of Cost Engineering in Brazil were debated, with the participation of recognized national and international professionals.