Special case: ceiling beams
< 36 m
2
RWM
RWM
RM
RWM
RM
Special case: mezzanines and landings
> 2 m
RM
RWM
RM
• In the case of ceiling beams measuring
> 0.2 m and a total area of < 36 m²,
detectors should be installed in the
centre of the room either on a beam
or ceiling panel.
• In the case of ceiling beams measuring
> 0.2 m and a total area of > 36 m²,
detectors should be installed in the
centre of each ceiling panel and not
on the beams.
• In the case of mezzanines and landings
with a length and width of > 2 m and
a total area of > 16 m², an additional
smoke alarm should be installed in the
centre of the surface area.
– 35 –
Choosing a location
GB