Smokeproof Stair Enclosures: Ensuring Safe Evacuation Paths

What type of stairs uses a ventilation system activated by automatic fire or smoke detection?

A. Access stairs

B. Fire escapes

C. Protected stairs

D. Smokeproof stair enclosures

Final answer: Smokeproof stair enclosures

Answer:

Smokeproof stair enclosures are the type of stairs that use a ventilation system activated by automatic fire or smoke detection, which clears the stairwell of smoke during a fire emergency, ensuring a safe evacuation path.

In buildings, safety measures are crucial to protect occupants in case of emergencies such as fires. One essential safety feature in buildings is the use of smokeproof stair enclosures. These stair enclosures are designed to provide a protected pathway for building occupants to evacuate safely during a fire emergency.

When a fire or smoke is detected in a building, the ventilation system in smokeproof stair enclosures is automatically activated. This system works to clear the stairwell of smoke, preventing it from obstructing the escape route for people inside the building. By ensuring that the stairwell remains free of smoke, smokeproof stair enclosures help to minimize the risk of smoke inhalation and visibility problems during evacuation.

The activation of the ventilation system in smokeproof stair enclosures is triggered by fire alarms or smoke detectors. This automated process helps to create a safe and clear path for occupants to exit the building efficiently, reducing the potential for injuries or difficulties during evacuation.

Overall, smokeproof stair enclosures play a critical role in building safety by providing a protected means of egress during fire emergencies. Their use of an automatic ventilation system activated by fire or smoke detection ensures that building occupants have a safe and secure evacuation route when needed.