Dud Shell Risk Assessment: NFPA Distances

K. L. and B. J. Kosanke

There are potential hazards and some level of risk resulting from those hazards associated with all human activities. When the risks are below an acceptable level, those activities are generally considered safe. The hard part is not the estimation of risks; there are relatively simple methods to estimate risk. Rather, the hard part is determining what is an acceptable level of risk for an activity. For the most part, this article only addresses the easy part, discussing the relative risks of dud shells falling into spectator areas for different scenarios. The reader is left with the hard part, deciding what level of risk is acceptable and what (if anything) to do about those risks for their displays.

Ref: Selected Pyrotechnic Publication of K.L. and B.J Kosanke, Part 5, (1998-2000), pp 67-70

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