(1) Permanent
effective safety lighting shall be provided for —
(a)
foyers and passages;
(b)
floors that are ramped at an inclination steeper than 1 in 12;
(c) main
aisles between blocks of fixed seats;
(d) the
tread of each step,
of any public building
or any area of a public building open to the public when normal lighting is
dimmed or extinguished.
(2) Energy for safety
lighting shall not be provided from any emergency power supply.
(3) Safety lighting
shall not be dimmed or modulated.
(4) The circuits of
the safety lighting system and the emergency lighting system shall be so
aligned that in any case of failure in the safety lighting system the
emergency lighting system in the area of the failure is automatically
energized.
[ 40. Deleted: Gazette 24 Jan 2017
p. 744.]