COLLAHUASI MINE (Chile – USD $ 500 M): The Collahuasi reverse osmosis desalination plant will have an initial flow of 525 l/s that will increase to 1,050 l/s to extend the useful life of the mine by 20 years and will raise the processing capacity to 210,000 t/d compared to 170,000 t/d current. ACCIONA has been awarded the design and construction of a seawater desalination plant, the agreement also contemplates the operation and maintenance of the plant by ACCIONA for two years, extendable for another three. Meanwhile, the water supply system that will be executed by Techint contemplates the fitting out of the 195 km long aqueduct along a route parallel to the existing mineral pipeline.