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9.32.3.9.(2) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Carbon monoxide alarming devices in buildings that
contain a residential occupancy and:
This applies to self-contained heating-season
mechanical ventilation systems serving single dwelling
units with 5 or fewer bedrooms that are supplied with electrical power
and a heating system, in buildings to which:
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Intent | Intent 1: [Clauses (a), (b), (d)] To limit the probability that the
performance of carbon monoxide alarming devices will fall significantly below
expectations, which could lead to carbon monoxide gas entering living space
undetected, which could lead to the acute poisoning or asphyxiation of persons.
Intent 2: [Clause (c)] To limit the probability that electrical connections
and circuits for carbon monoxide alarming devices will be disconnected, which
could lead to carbon monoxide alarming devices becoming non-operational, which
could lead to carbon monoxide gas entering living space undetected, which
could lead to the acute poisoning or asphyxiation of persons. |
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