Risk definition Archives

Dam portfolio risks—a few definitions

Dam portfolio risks—a few definitions aims to bring clarity on terms definitions that oftentimes remain shrouded in mystery. Risk Framework Risk analysis frameworks provide a methodological basis for establishing a transparent and defensible evaluation of the risk generated by a given dam and/or portfolio of dams. They can be qualitative, semi-quantitative or fully quantitative. The framework is essentially a repeatable evaluation scheme which may rely on: quantification of expert judgment, subjective probabilities, empirical/statistical observations or probabilistic models (Stamatelatos et al.…

Risk definition is paramount amid tailings problem

Risk definition is paramount amid tailings problem. A recent example is the Almaden Ixtaca Project, Mexico. We read in a publicly available information: “The mine plan has a dry stack filtered tailings facility, and co disposal with waste rock with no tailings dam, eliminating the risk of a tailings dam failure.” We salute the effort to reduce from inception a source of multiple hazards and hence risks generated by the tailings dam. However we want to discuss a few notions…