SIRAC was designed as a streamlined alternative to the full, often overwhelming, risk assessment process. While the complete IEC 62305-2 standard involves dozens of intricate variables, SIRAC focuses on a limited subset of parameters specifically for relatively simple, single-zone structures. Key Features & Benefits Speed & Simplicity
While revolutionary at its release, SIRAC has largely been superseded in professional practice: simplified iec risk assessment calculator sirac
SIRAC reduces the input variables. It asks for fewer parameters than a full IEC assessment. But in doing so, it forces the engineer to make weighted assumptions . If you assume the wrong "frequency of exposure" or miscalculate the "possibility of avoiding the hazard," the simplified math doesn’t just give a wrong answer—it gives a dangerously confident wrong answer. SIRAC was designed as a streamlined alternative to
: Commercial lightning protection manufacturers often provide their own calculators updated to the latest IEC 62305-2/3 standards. Manual Calculation Tables It asks for fewer parameters than a full IEC assessment
per year) and location factors (e.g., whether the building is on a hilltop or in a city). Risk Types