Tools / Lightning Risk Assessment
Tool · Grounding & Lightning
Lightning Risk Assessment
Whether a structure should have a lightning protection system, by comparing its expected annual strike frequency with a tolerable frequency set by its construction, contents, occupancy and consequences.
Result
Enter the structure size, the local flash density and the factors you selected from the standard's tables.
RokBench is a screening tool intended to assist qualified engineers. It does not constitute engineering services, does not produce sealed or certified deliverables, and does not replace applicable codes, standards, manufacturer documentation, or the judgment of a licensed professional responsible for the design. Verify all results independently before use. Report a problem with this result.