Minimum clearance around steam or hot water radiators
and convectors, in buildings to which Part 6 applies [see Sentence
1.3.3.2.(1) of Division A for application of Part 6], that
are:
To limit the probability that inadequate clearances will
lead to the long-term exposure of combustible materials to low-grade heat,
which could lead to the ignition of the combustible materials, which could
lead to harm to persons.