What action must be taken if a hard hat experiences a significant impact?

When a hard hat experiences a significant impact, it is critical to replace it immediately. This is because the structural integrity of the helmet may be compromised, even if there are no visible signs of damage. Hard hats are designed to absorb impact energy, and once they have done so, their protective capabilities can be reduced or nullified. Continuing to use a hard hat that has been impacted poses a safety risk, as it may not provide adequate protection in the event of further impact.

While inspecting the shell, reporting for further inspection, or waiting for more damage to become visible may seem like logical options, they do not guarantee the safety of the user. The best course of action is to ensure safety by promptly replacing the hard hat to maintain compliance with safety standards and minimize the risk of head injury in hazardous environments.