Gonzalo Cornejo Ramírez, a metallurgical civil engineering student at the Federico Santa María Technical University, completed his professional internships in Geotecnia Ambiental. Cornejo, systematized all the closure plans approved to date by the National Service of Geology and Mining of Chile (Sernageomin), evaluating different mining operations in the country, consolidating data, dates of the reports, processes involved in these tasks, types of closure, estimate of useful life, production capacity, details of the facilities, total cost associated with the closure and the respective guidelines for those closures.
With this analysis, you can easily access the measures identified and validated by the Chilean authority for the different facilities and types of waste.
Paula Montaño Zambrano, Head of the Environment Department of GA, and tutor during the professional practices of Cornejo said “If we compare the cost of the closure of the works with deposits of massive mining waste, that is, sterile deposits, gravel deposits and tailings deposits and considering the direct cost to the total closure of the work (not including indirect costs, post-closing costs or VAT), it is very interesting to appreciate that the cost of sand blocks is greater than that of thickened deposits, even more so when they use seawater in their processes ”.
In accordance with the objectives of advising based on specialized technical knowledge and providing updated data in order with the authority, the GA group makes this interesting analysis available to its clients with the objective of optimizing the closing measures and their associated costs.
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