

BEAM P
LUS FOR
E
XISTING
B
UILDINGS
I
NDOOR
E
NVIRONMENTAL
Q
UALITY
(I
EQ
)
V
ERSION
1.2
I
EQ
17
I
NTERIOR
L
IGHTING IN
N
ORMALLY
O
CCUPIED
A
REAS
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Page 139
lighting quality throughout the whole life of the lighting installation.