stages, from design and construction to operation, life extension, and end-of-life decisionmaking. 4.1 Conceptual Architecture The SIM framework is structured as a layered architecture designed to integrate structural risk governance into the broader asset management system of a mining operation. Its purpose is to ensure that structural integrity is managed not as an isolated technical activity, but as a coordinated discipline combining institutional accountability, engineering methodology, and digital capability. The framework is organized into three interdependent layers: • Governance Layer: establishes policy alignment, accountability, risk oversight, and integration with corporate asset management strategy. • Technical Integrity Layer: provides the engineering basis for degradation assessment, risk-based prioritization, residual capacity evaluation, and definition of intervention strategies. • Digital Enablement Layer: ensures data standardization, assisted inspection integration, monitoring systems, and traceability through enterprise platforms. These layers operate transversally across all infrastructure lifecycle stages: design, construction, operation, life extension, and end-of-life, ensuring that structural condition, risk exposure, and decision processes remain continuously aligned. The architecture enables the transformation of isolated inspection data into structured, risk-informed decision support. Figure 2 presents the conceptual structure of the SIM framework and illustrates the interaction between its three layers and the infrastructure lifecycle.
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