Use SIRAC as your daily driver for industrial machinery safety functions, but always pair it with a checklist-based qualitative review per ISO 12100, Clause 6 (Risk reduction by inherently safe design).
SIRAC is designed for risks mitigated by . Do not use it for fire safety, electrical shock (non-control related), or chemical exposure. Use ISO 12100 for those.
(Loss of Essential Public Services): Focuses on service continuity (e.g., power or telecom). R3cap R sub 3
: The tool compares calculated risk values against the "tolerable risk" ( RTcap R sub cap T