{"id":1570,"date":"2026-07-13T10:53:12","date_gmt":"2026-07-13T13:53:12","guid":{"rendered":"https:\/\/pya.cl\/en\/?p=1570"},"modified":"2026-07-13T10:53:31","modified_gmt":"2026-07-13T13:53:31","slug":"post-closure-mining-paresalvarez","status":"publish","type":"post","link":"https:\/\/pya.cl\/en\/2026\/07\/13\/post-closure-mining-paresalvarez\/","title":{"rendered":"PARES&amp;ALVAREZ EXPERT PRESENTS AT PLANNING FOR CLOSURE 2026 ON THE FINANCIAL IMPACT OF MINE POST-CLOSURE DECISIONS\u00a0"},"content":{"rendered":"\n<p>Victoria V\u00e1squez, Mine Closure Specialist at\u00a0Pares&amp;Alvarez,\u00a0participated\u00a0as a speaker at the <a href=\"https:\/\/pya.cl\/en\/2026\/06\/05\/paresalvarez-contributes-to-planning-for-closure-2026-highlighting-its-mine-closure-and-post-closure-expertise\/\" data-type=\"link\" data-id=\"https:\/\/pya.cl\/en\/2026\/06\/05\/paresalvarez-contributes-to-planning-for-closure-2026-highlighting-its-mine-closure-and-post-closure-expertise\/\">Planning for Closure<\/a> 2026 International Congress, one of the leading events focused on mine closure. During the conference, she presented a study examining how technical decisions made during closure design can significantly influence a mine site\u2019s long-term financial commitments.\u00a0<\/p>\n\n\n\n<p>The research, conducted jointly with Claudia Goza, Environmental Manager at&nbsp;Pares&amp;Alvarez,&nbsp;analysed&nbsp;the sensitivity of the Post-Closure Fund to changes in the frequency of maintenance activities&nbsp;required&nbsp;for closure works during the post-closure stage.&nbsp;<\/p>\n\n\n\n<p>Using a large-scale mine site in northern Chile as a case study, the analysis assessed different post-closure maintenance scenarios and their impact on the present value of the financial obligations associated with mine closure. The results showed that shortening maintenance intervals could increase the resources&nbsp;required&nbsp;for the Post-Closure Fund by more than 110%. Conversely, strategies supported by more durable solutions and passive closure principles could reduce these obligations by more than 50%, while&nbsp;maintaining&nbsp;long-term safety and stability standards.&nbsp;<\/p>\n\n\n\n<p>\u201cDecisions concerning the frequency of maintenance activities are often approached from a technical perspective. However, their&nbsp;financial impact&nbsp;can be critical to a project\u2019s long-term sustainability. Our study&nbsp;seeks&nbsp;to provide evidence that supports the development of more robust and consistent criteria for post-closure planning,\u201d said Victoria V\u00e1squez.&nbsp;<\/p>\n\n\n\n<p>The study also highlights the need to develop agreed technical methodologies that can transparently justify the maintenance frequencies&nbsp;required&nbsp;during the post-closure stage. This would help reduce regulatory uncertainty and support more efficient management of the resources&nbsp;allocated&nbsp;to&nbsp;ensuring&nbsp;the physical and chemical stability of closed mine sites.&nbsp;<\/p>\n\n\n\n<p>Pares&amp;Alvarez\u2019s&nbsp;participation in Planning for Closure 2026 reaffirms the company\u2019s commitment to developing solutions that integrate technical, environmental,&nbsp;economic&nbsp;and regulatory considerations, contributing to a more sustainable mining industry that is better prepared to address the long-term challenges of mine closure.&nbsp;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Victoria V\u00e1squez, Mine Closure Specialist at\u00a0Pares&amp;Alvarez,\u00a0participated\u00a0as a speaker at the Planning for Closure 2026 International Congress, one of the leading events focused on mine closure. During the conference, she presented a study examining how technical decisions made during closure design can significantly influence a mine site\u2019s long-term financial commitments.\u00a0 The research, conducted jointly with Claudia [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1570","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How much does mine post-closure really cost?<\/title>\n<meta name=\"description\" content=\"Pares&amp;Alvarez presents a study at Planning for Closure 2026 on the financial impact of mine post-closure decisions in Chile.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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