PART VIILevels of Lighting (continued)
Measurement of Average Levels of Lighting
7.3 For the purposes of this Part, the average level of lighting at a work position or in an area shall be determined by making four or more measurements at different places at the work position or in the area
(a) where work is performed at a level higher than the floor, at the level at which the work is performed, and
(b) in any other case, 1 m above the floor,
and dividing the aggregate of the results of the measurements by the number of the measurements.
Minimum Average Levels of Lighting
7.4 The average level of lighting at a work position or in an area referred to in Column I of an item of the Schedule to this Part shall be not less than the average level set out in Column II of that item.
Emergency Lighting Systems
7.5 (1) Where a failure in the lighting system in an area through which an employee passes in carrying out emergency procedures referred to in subsection 18.9(1) will cause the level of lighting to be reduced to less than 3 dalx, an emergency lighting system shall be installed in the area.
(2) The emergency lighting system referred to in subsection (1) shall
Minimum Levels of Lighting
7.6 The level of lighting at any place at a work position or in an area shall be not less than one-third of the average level of lighting prescribed by this Part for the work position or area.
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