The purpose of smoke extraction is to extract a portion of the flue gases from combustion rooms in order to:
– make practicable the routes used for the evacuation and the intervention of the helpers;
– limit the spread of fire by evacuating heat, gas and unburnt to the outside.

After it is received and put into service, a smoke extraction system must be regularly maintained in order to be permanently in good working order .

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    1. Prerequisites

    The annual verification of this device is therefore essential.

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    2. Annual maintenance

    The correct operation of the installation must be checked at least once a year by simulating the operation of the detection devices and by acting on the control elements.

  • Compliance with the operating and maintenance rules of NFS 61-933