BHP’s $52 million infrastructure project to expand the Spence open-cut copper mine in northern Chile, also known as the Spence Growth Option (SGO), will extend the service life of the mine by approximately 50 years. The SGO project upgraded the mine pit, the mine’s waste dump, the concentrator plant and the powder magazine
The ready-mix supplier, Petreos Society, recommended PENETRON ADMIX-treated concrete as the only waterproofing solution capable of meeting the project’s permeability specifications. Salfa Corporation, the project’s general contractor, specified PENETRON ADMIX to treat 13,000 m3 of concrete for the concentrator tank.
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