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3.2.7.3.(2)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Minimum average level of illumination at floor or catwalk level in service spaces referred to in Sentence 3.2.1.1.(8) [service spaces that are sufficiently large that workers can enter the space for construction, inspection, maintenance and repair of building services].
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To limit the probability that service spaces will have inadequate illumination when there is a loss of normal power, which could lead to safety hazards [bumping, tripping, falling, etc.], which could lead to harm to persons.
Intent 2: 
To limit the probability that service spaces will have inadequate illumination when there is a loss of normal power in an emergency situation, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
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