en.Wedoany.com Reported - Mineração Rio do Norte (MRN) has completed the assembly of the first river-crossing tower over the Trombetas River (Rio Trombetas), a key milestone for the company's ongoing Transmission Line Project (Projeto Linha de Transmissão, PLT) in western Pará. The 150-meter-high tower marks a decisive phase in MRN's integration into the National Interconnected System (Sistema Interligado Nacional, SIN).
Crossing the Trombetas River is recognized as one of the project's greatest technical challenges. Over a 5.2-kilometer span, five large towers will be installed, requiring advanced engineering solutions, specialized logistics, and strict safety and environmental protection protocols. The subsequent phases of the project plan to construct four additional towers in the coming months, with Tower 28 reaching 178 meters in height, making it one of the largest structures in the project.
Yanto Araújo, MRN's project manager, stated that the delivery of the first tower demonstrates the efficiency of project planning and team collaboration. The execution required significant resource allocation and overcame technical, environmental, and occupational safety challenges without any safety incidents. Sérgio Reis, the company's construction manager, emphasized that the river-crossing section concentrates approximately 50% of the total concrete, steel, and metal structure usage for the entire transmission line. He noted that the progress of this work enhances the company's capability to execute large-scale projects in the Amazon environment.
In addition to the transmission structure construction, the project includes foundation work, service road creation, and the construction of a substation. MRN is also conducting environmental monitoring programs and wildlife rescue operations, along with measures to minimize impacts on water bodies and forested areas. On the social front, the company has engaged in dialogue and monitoring activities with 19 communities in the project's impact zone to ensure transparency and public participation during construction.
The 98-kilometer transmission line will connect the Oriximiná substation (subestação de Oriximiná) to the future Saracá substation (subestação Saracá) at Porto Trombetas via a 230 kV grid. This initiative is part of the company's energy transition strategy, expected to reduce carbon emissions by 25% starting in 2027. The project also creates local employment and income opportunities, generating 847 direct jobs since its inception, 460 of which are held by residents of Oriximiná. Concurrently, MRN is advancing the New Mines Project (Projeto Novas Minas, PNM), considered critical to its future operations.
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