Andre Sougarret, mines manager for state-run copper company Codelco and on-site rescue coordinator, said that operation was stopped Tuesday while the drill head was changed.
The first phase of construction includes early earthwork and concrete foundations for a mill and on-site power plant, expansion of the existing water-supply system, construction and operation of the initial phase of a new tailings facility, and expansion of camp facilities by approximately 6, 600 additional beds for workers.