What defines a system designed to suppress fire using underground or overhead piping?

A system designed to suppress fire using underground or overhead piping is known as an Automatic Fire Suppression System. This term specifically refers to systems that are equipped with a network of pipes, which are often installed in ceilings or underground, to deliver water or other extinguishing agents automatically when a fire is detected.

In contrast to manual systems, which require human intervention to activate, Automatic Fire Suppression Systems are designed to respond immediately to signs of fire, thus significantly mitigating damage and potential injuries. These systems typically include elements such as sprinkler systems or deluge systems, which utilize water as the primary extinguishing agent, but can also involve other agents depending on the specific needs of the environment being protected.

The other options present distinct systems with different functions. For example, a Manual Fire Control System relies on human operators to manage fire notifications and response, while a Fire Notification System focuses on alerting occupants and authorities about a fire rather than suppressing it. An Emergency Response System encompasses a broader range of activities, including coordination and communication during emergencies, rather than specifically targeting fire suppression.