en.Wedoany.com Reported - Chile's state-owned copper company Codelco launched the prequalification process for the Build-Own-Operate-Transfer (BOOT) contract for the Circulating Water System (SAR) project at its Andina Division on April 24, 2026. The process, to be executed by the Chilean company Asset, aims to select a company or consortium to develop this project.

The competitive process for this project consists of two stages: first, a prequalification based on legal, financial, and technical background, followed by a second stage where selected participants complete due diligence and submit binding offers. Meanwhile, the project is currently undergoing environmental assessment by the Environmental Assessment Service (SEA) and is expected to obtain the Environmental Qualification Resolution (RCA) in the fourth quarter of 2026.

The project includes two main construction phases: first, building a circulating water system with a maximum pumping capacity of 250 liters per second, and then upgrading the facilities to achieve a capacity of 610 liters per second. The overall project plan includes three pumping stations, over 70 kilometers of pipelines, as well as emergency ponds and storage tanks.

The circulating water system will extend between the Ovejería Tailings Storage Facility, located in the town of Tiltil in the Santiago Metropolitan Region, and the Andina Division concentrator plant, located east of the city of Los Andes in the Valparaíso Region. The total elevation difference along the route is nearly 2,200 meters, and it requires crossing highways and multiple tunnels.

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