Voice evacuation system (type A)

In the event of a fire, an evacuation alarm system quickly warns the people present.
In some situations, NEN 2575-1* prescribes an evacuation system, with not only an evacuation signal, but also a voice message with which attendees are summoned to leave the building. In the event of a fire alarm, it may be necessary to evacuate a building.
Fast and efficient.
To warn the people in the building and to encourage them to leave the building, an evacuation signal (slow-whoop) sounds.
In this case, there is an evacuation alarm system type B. In certain situations, however, such a signal can cause panic or be insufficiently clear to those present, for example in entertainment centres where many people gather.
In these kinds of situations, NEN 2575-1 prescribes a type A installation.
This is an installation that combines an evacuation signal with a voice message.
In this type of installation, additional evacuation instructions can also be given via a command microphone.
NEN 2575-1 prescribes a type A evacuation alarm system in the following situations:

  • a building is > 10,000 m2 and/or
  • A building has several rooms in which more than 1000 people can stay and/or
  • A building has one room in which more than 2000 people can stay and/or
  • The building has an accommodation function in which the highest floor is higher than 20 m
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Merely following laws and regulations is not always enough

When it comes to fire safety, we advise you to always look beyond the applicable laws and regulations and to take your own specific situation and circumstances as a starting point.
Laws and regulations only set the minimum requirements.
As an owner or user, you must always take responsibility in this area.
Since the Building Decree of 2012, this has also been regulated by law: the user of the building is (severally) responsible for fire safety.
Therefore, when it comes to the safety of the organization and its employees, always be sharp and proactive.