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3.2.4.18.(4) | Application | Intent |
| OS3 |
| Objective | OS3 Safety in Use |
| Attribution | |
| Application | Application 1: Maximum sound pressure level from fire alarm
signals [forming part of a fire alarm system] in normally occupied
areas. This applies to buildings described
in Sentence 1.3.3.2.(1) of Division A in which fire alarm systems are
installed.
Application 2: This also applies to buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9] in which fire alarm systems are installed, as stated in Sentence 9.10.18.6.(1). |
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| Intent | Intent 1: To limit the probability that audible signal devices will
be excessively loud, which could lead to harm to persons [e.g. damage the
hearing of persons]. |
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