ELI5: Explain Like I'm 5

Smokeproof enclosure

Imagine you are playing in your room and your mom asks you to stay inside for a while because she wants to clean up outside. But then your room starts to get really smoky and you start to cough and have trouble breathing. You feel scared and want to get out of the room, but you can't because the smoke is everywhere.

Now imagine that instead of your room, you are in a big building like a school or an office, and there is a fire somewhere in the building. Normally, when there is a fire, a lot of smoke is produced and it can spread quickly to other parts of the building. This is dangerous because the smoke can make it hard to see and breathe, which can cause people to get hurt or even die.

A smokeproof enclosure is a special space in a building that is designed to keep people safe during a fire by keeping the smoke out. It is like a big bubble that can protect you from the smoke so that you can breathe without any problems.

How does it work? First, the smokeproof enclosure needs to be completely sealed off from the rest of the building. This means that there are no gaps or holes that smoke can get through. The walls, ceiling, and floor are made of special materials that are designed to be fire-resistant and keep the smoke from entering the enclosure.

Next, the smokeproof enclosure needs to have a special ventilation system that brings clean air into the enclosure and removes the smoke. This system uses fans to create pressure that pushes the smoke out of the enclosure through special vents at the top of the walls.

Finally, the smokeproof enclosure needs to have enough space to accommodate everyone who needs to use it. This means that it needs to be big enough to hold a lot of people, but not so big that it would be difficult to keep the smoke out.

In summary, a smokeproof enclosure is a special space in a building that is designed to protect people from smoke during a fire. It is like a big bubble that is completely sealed off from the rest of the building, is made of fire-resistant materials, has a special ventilation system, and is big enough to hold a lot of people. It's really important to have smokeproof enclosures in buildings to keep people safe during emergencies.