The calculator combines these four inputs. Generally, if you have S2 + F2 + Pr2 + Av2 , the calculator will demand the highest safety level (SIL 3 / PL e). If you have S1 + F1 + Pr1 + Av1 , it may demand no safety requirement or a very low level (SIL 1 / PL a).
: It is tailored for lightning protection installers and general contractors who need to conduct calculations on typical structures.
): Higher risks are assigned to buildings that are difficult to evacuate, such as hospitals or high-panic environments (stadiums) .
Elias sighed, adjusting his hard hat. "It’s not that simple, sir. The insulation is brittle. If I just guess, I’m gambling with lives."