Behind-the-scenes look at how Navy Pier's firework shows become a reality

FOX 32 Chicago received an inside look at how Navy Pier puts on its firework shows, from where it all begins to how it ends.
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[@charlessmith263]

Melrose Pyrotechnics used to shoot off these Navy Pier firework spectaculars, but I think Pirotecnico is the new company that fires them.......
Obviously, they keep the details of the firework shows at Navy Pier top secret - but usually, the fireworks last about 10 minutes (except the special 4th of July shows and the NYE show, which last usually 15 minutes ), and of course, has a grand finale ending with shells of slow-burning weeping willows and chrysanthemums that are large in diameter (likely 24, 28, or 32 inches), in most cases. That is all I will say.

[@charlessmith263]

Pyrotechnico learned the hard lessons from the Enschede fireworks disaster in 2000, so that is why there is no big building to store all of those pyrotechnic stuff and its explosives. Especially when you are dealing with bulk flash powder--which is the most dangerous explosive firework chemical (listed usually as 1.1g or 1.2g--very high hazard), you need such separate buildings, so just in case a disaster happens, the disaster is contained in one building, and the damage would be minimal. Fireworks are inherently dangerous--even if only the professionals set them off.