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Tactical and Strategic tailings dams risk management

Tailings 2.0 is designed to allow Tactical and strategic tailings dams risk management. Tactical and strategic tailings dams risk management The definition of corporate risk tolerance and acceptability foreseen in Tailings 2.0 allows to sort risks in tolerable/acceptable, intolerable but manageable, intolerable and requiring a strategic shift (in short: strategic risks). This is the most pertinent and efficient way to sort risks. We can actually see the three different classes of risk, namely the blue, yellow and red classes. The…

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Improving project cost evaluations

We read last week a CIM annoucement of a Metallurgy and Materials Society (MetSoc) webinar on September 20 about Improving project cost evaluations. BQE Water President & CEO David Kratochvil will present the seminar. Subject matter Our friend David will discuss the shortcomings of conventional Net Present Value and risk assessments applied to water treatment plants. He will explain how to overcome potential uncertainties with the Risk Adjusted Life Cycle Cost analysis approach. Comparing alternatives for a project requires careful…

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Traffic accident caused major explosion in Bologna

On August 6th Italian media sadly reported: Traffic accident caused major explosion in Bologna. Traffic accident caused major explosion in Bologna; What happened Two trailers following each other collided. One of them was loaded with liquid propane. Those two then reportedly hit a third trailers loaded with new cars. The accident happened on a viaduct going through a semi-industrial/ urban environment. A fire started in the car transport trailer. By chance, several police units were either onsite or nearby and…

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Cyber world of crypto mining hit by real life natural disaster

No way to escape reality: Cyber world of crypto mining hit by real life natural disaster. We already discussed how the allegedly super-safe world of crypto-currencies is not so safe and news keep pouring in. However we are sure very few though that flooding could cripple the synthetic world of crypto-currencies. Years ago we wrote in this blog about a CEO who thought that our approach to multihazard risks was “too technical” and not “enough business oriented”. That CEO was…

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Landslides risk assessment

Natural and man-made slopes portfolio require Landslides risk assessment in order to ensure sustainable management. Slopes present hazardous geo-morphological processes such as landslides which can occur discretely (some deformation, cracking followed by a large movement) or “continuously” (deformations ranging between a few millimeters and several centimeters per years with occasional accelerations followed by a return to “average velocity”). Shall we manage hazards or risks? Any slope, anywhere in the world, has a probability of occurrence (of “first” failure). Continuously sliding…

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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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Independent Forensic Team Report Oroville Dam Spillway Analysis

We just read the Appendix F From 2018 Independent Forensic Team Report Oroville Dam Spillway Analysis. So, we decided to discuss a few points from our risk perspective. It was a joy to read the statements the Independent Forensic Team made on “normalization of deviance” and the disproportionate influence some experts may exert on group deliberations. Indeed a Potential Failure Modes Analysis (PFMA) team generally includes various members bringing diverse perspectives into the process. Oftentimes one or two strongly opinionated persons,…

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