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Open pit walls catastrophic failure probabilities for a captive insurance

Four or five years ago an insurance company asked us to estimate open pit walls catastrophic failure probabilities for a captive insurance. A that time of our study recent publications of pit wall failures databases we not yet available. Like we did for tailings dams failures in 2013 we used approximate data we found, i.e. a sample portfolio of forty open pits records and a table from a 1996 Swedish with 24 open pit failures research. Open pit walls catastrophic…

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Australian law firm plans to sue world’s No.1 miner BHP

Australian law firm plans to sue world’s No.1 miner BHP. They argue BHP knew the Samarco dam was “at imminent risk of breaking”, but BHP was not transparent, breaching regulations. Reportedly the basis of the class action will be the belief the mining company mislead investors over safety measures, including public warning systems while it was aware of an “imminent collapse” and its very serious potential consequences. Australian law firm plans to sue world’s No.1 miner BHP The owners of…

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Data required for ORE2-Tailings risk assessment

Every group we present ORE2-Tailings to is curious about the Data required for ORE2-Tailings risk assessment. In follow-up to a presentation, the client requested the following three information:  What are the 30 diagnostic points ORE2-Tailings uses to evaluate the annual probability of failure of a dam?  Is there a peer reviewed publication about the methodology?  What are the steps to define the risk tolerance of a corporation or an operation/project? Data required for ORE2-Tailings risk assessment This section summarily describes…

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Tailings 2.0: Space observation, quantitative risk assessment bring value and comply with societal demands

At the coming Tailings and Mine Waste conference (TMW2018) Riskope and MDA will jointly present a one day course entitled “Tailings 2.0: Space observation, quantitative risk assessment bring value and comply with societal demands” Tailings 2.0: Space observation, quantitative risk assessment bring value and comply with societal demands During the “Tailings 2.0: Space observation, quantitative risk assessment bring value and comply with societal demands” course we will review state of the art risk assessment methodologies and space observation technologies that together…

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ORE2-Tailings dam analysis

Welcome to ORE2-Tailings dam analysis ORE2-Tailings dam analysis delivers value to the mining industry. In addition it supports communication between owners, regulators and the public. That is quickly and at affordable costs ORE2-Tailings dam analysis is beneficial for those who: design, permit, construct, operate, insure and finally, perhaps close,tailings/waste storage facilities in the mining and oil & gas extraction industry. Why ORE2-Tailings dam analysis? The key note lecture by Henry Brehaut at TMW2017 stated that “….clearly, the need emerges to develop…

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