None. "It's been done this way for 10 years."
Selecting between Class I to IV Lightning Protection Systems. simplified iec risk assessment calculator sirac
The core utility of the SIRAC tool lies in its algorithmic simplification of the standard risk equations. While the full standard may require dozens of input parameters, SIRAC typically utilizes a "worst-case scenario" approach or conservative default values for less critical variables. simplified iec risk assessment calculator sirac