Breaching the mining fatalities plateau: Financial pressure, operational instability, and the case for flow-based safety

Between 2003 and 2013, the Australian mining fatality rates fell by about 80%, but thereafter, in the past decade, they have remained at the same level of approximately seven fatalities per year despite significant investment in safety systems. In Queensland, the Brady Review (2020) revealed a structural fatality cycle linked to the economic and operational pressures. An independent analysis has confirmed that neither increased regulation nor additional administrative controls have improved the situation. This perspective article draws on more than 20 years of practitioner experience across more than 90 interventions in mining operations on three continents, grounded in the Theory of Constraints (TOC). The paper asserts that the current safety plateau is consistent with the predictable behavior of balanced-capacity mining operations—the industry-standard approach of maximizing the utilization of every resource in the production chain. It further argues that balancing capacity tends to create chronic operational instability, which in turn can undercut the cognitive and organizational preconditions for high-reliability organization behavior. In this article, we describe a flow-based production intervention, grounded in the TOC principles, which is associated with improved productivity (a 10–40% increase in output using constant resources). A consistent but initially unanticipated finding was an accompanying improvement in safety outcomes. The study examines how Queensland’s Resources Safety and Health Legislation Amendment (RSHLA) Act 2024, while correct in principle, may in some situations amplify instability during balanced-capacity mining operations. The paper proposes a set of testable research hypotheses linking the run-of-mine production variability to safety incident rates and recommends the RSHLA Act 2024 implementation period as a natural experiment to confirm these practitioners’ observations.