9.20.2.6.(1)

Objective

OP1 Fire Protection of the Building

Attribution

[F80-OP1.2]Applies to concrete blocks in chimneys and fireplaces.

Intent

Intent 1:

To limit the probability that such concrete blocks will be of inadequate mass or absorb excessive amounts of water, which could lead to inadequate resistance to freeze-thaw stresses.

For chimneys and fireplaces, this is to limit the probability of excessive heat transfer, which could lead to the ignition of combustible building components, which could lead to damage to the building.

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