JCC Lighting Catalogue 36
Building type requirements Different buildings types have different requirements, and the rating varies depending on the floor level at which the fire-rated downlight has been fitted:
Height of top floor above ground level
Basement depth
5m or less
18m or less
30m or less
10m or less
More than 10m
Not sprinklered residential flats
30 m in
60 min
90 min
60 min
90 min
Sprinklered residential flats
30 min
60 min
90 min
60 min
90 min
30 min
60 min
90 min
60 min
90 min
Institutional
30 min
60 min
90 min
60 min
90 min
Other residential
MULTI USE Larger apartment buildings or commercial office buildings
18m
5m
SINGLE DWELLING Houses with a maximum of three storeys
MULTIPLE OCCUPANCY Smaller residential apartment buildings
10m
21
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