– 22 –
– 23 –
Special case: installation in a hallway with a width of < 3 m
< 3
• Maximum distance from
the front walls: 7.5 m
• Maximum distance between
detectors: 15 m
• Installation on the mitre line between
intersecting crossings, T-junctions and
corner areas
< 7
,5
< 3
< 15
Special case: installation in an L-shaped room
• Total area of < 60 m²: installation
on the mitre line
• Total area of > 60 m²: each side
is treated as a separate room
Special case: ceiling beams
• 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.
< 36
> 2 m
> 2 m
Special case: mezzanines and landings
RM23 NF_DEGBNLIT.indd 22-23
27.07.17 10:18
