Rio de Janeiro Subway Line 1A and Cidade Nova Station

Customer: Concessão Metroviária do Rio de Janeiro S.A. – Metrô Rio

Project: Line 1A – Connection of Line 1 to Line 2 of the Subway – approximately 2 km long, including the implementation of the permanent way, telephone system, traction power, traction treatment, central traffic command and signaling, automatic train stopping system, and implementation of on-board autopilot; Cidade Nova station and access walkway on Presidente Vargas Ave, as well as other interventions listed in the 6th amendment to the Concession Agreement with the State Government.

Location: Rio de Janeiro – RJ

Services: Management services for the implementations of the project, encompassing civil works and systems, as well as supporting for Metrô Rio in the procurement of works and services.

Rio de Janeiro Subway Line 4

Customer: Rio de Janeiro State Government / SETRANS / Rio Trilhos

Project: Subway line with approximately 15.9 km long, six stations – three in the southern section (N. S. da Paz, Jardim de Alah and Antero de Quental) – all underground, executed using the Cut & Cover method, connected by a tunnel around 4.7 km, excavated in rock and sand with a TBM (Tunnel Boring Machine)/Shield; at the western section, three stations are being built (Jardim Oceânico, São Conrado and Gávea), all underground.

Location: Rio de Janeiro – RJ

Services: The Concremat – Audax – Planservi Consortium Scope involves project management, inspection and supervision of the works, including bridges, Tunnels, Stations, Interference and all Systems, as well as monitoring and analysis of the projects, and social and environmental management.

FMC Technologies do Brasil technology center

Customer: FMC Technologies do Brasil Ltda

Project: FMC research center, with a total built area of 10,913 m², implemented on a m² of land, consisting of a three-story Administrative Building, Testing Laboratory (where three overhead cranes with capacity for 6, 30 and 80 tons were installed), testing pools, hyperbaric chamber and testing booths, as well as ancillary buildings, including cafeteria, warehouse and locker room.

Location: UFRJ (Rio de Janeiro Federal University) Technology Campus, Ilha do Fundão, Rio de Janeiro – RJ

Services: Management of the works, as well as support to FMC for the procurement of works and services.

About the Company

Established by a group of professionals with extensive experience in the Brazilian engineering and construction market, Audax is a company engaged in providing construction and development management services, as well as the development of engineering solutions and building systems. As an independent company, it is focused exclusively on meeting its clients’ interests and requirements, providing services with high technical standards.


Audax Engenharia has the ability and experience in supporting its clients at all stages of a project implementation , spanning from the preparation of initial studies, basic and detailed design phases, budget planning and management, to the support throughout the procurement process, including the contracting of works and services, project supervision, inspection and management.
Atua na integração dos processos gerenciais em todas as fases do empreendimento, trabalhando com processos consolidados e ferramentas próprias e de mercado, baseado nos preceitos do PMI – Project Management Institute.

Nesta área, utiliza a experiência, ferramentas e os sistemas gerenciais desenvolvidos pela Gopec Consultoria Ltda., empresa do mesmo grupo, amplamente testados na gestão de empreendimentos complexos de médio e grande porte, para clientes públicos e privados, no Brasil e no exterior, nos últimos dez anos.

Aporta conhecimento, integrando uma rede de especialistas, parceiros e consultores na busca das melhores soluções técnicas e construtivas para atender as necessidades dos clientes.


  • Mining and Steel

  • Subway

  • Transportations

  • Buildings

  • Industries