top of page



CNO Colombia


Preparation of studies and engineering projects for the infrastructure works planned within the Cerrejón Complex expansion program, including diversion of the Rancheria river and civil infrastructure and superstructure project for the duplication of 34 km of the interconnection railroad mine and port, as well as rail links and loops near the mine and port. The Cerrejón mine is located in the municipality of Albania, in the department of La Guajira, northern Colombia. It is one of the largest open-cast coal holdings in the world and the largest in the country. With mineral resources estimated at 2,193 million tons of coal, the Complex covers 69,000 hectares, divided into five exploration areas.

bottom of page