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February 2012
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Are fresh air supply systems compulsory in apartment buildings?

Fresh air supply systems are not compulsory in all cases, but must be installed if the ground floor area where the stairway comes out is not "well ventilated"

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How are the different fire safety systems for public buildings listed?

By category (type A, B, C, D, E) from most complicated to simplest.
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Can smoke extraction vents also be used to evacuate people in the event of fire?

The aims of smoke ventilators are:
- To extract smoke and gas in order to make emergency exits accessible for the evacuation of people
- To maintain visibility in the building to facilitate the work of the emergency services
- To prevent flashover (combustion of all gas in the building).

There are a number of devices which combine smoke and heat extraction with roof access, but these access ways are designed for people who need to move about on the roofs (to maintain vents, for example).
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