If aerial shells are unchained and 6 inches and below, what is the separation requirement?

The correct response indicates that no separation is needed for aerial shells that are unchained and measure 6 inches and below in size. This is consistent with NFPA 1123 guidelines, which establish specific separation distances based on the size and type of fireworks. For smaller aerial shells, particularly those that are unchained, the guidelines are designed to facilitate safe handling and minimize the risk during storage or preparation for a display. The rationale behind this regulation is that smaller shells pose a reduced risk of collective effects and do not generate the same intensity of hazards that larger shells might.

Separation requirements are significantly more stringent for larger shells due to their potential to cause more severe consequences in the event of a mishap. In contrast, smaller aerial shells, given their size and characteristics, can be managed with less stringent separation measures, allowing for more efficient logistical arrangements during a fireworks event. This standard helps ensure that safety precautions remain proportional to the risks involved.