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.
This is to limit the probability of:
- compromised structural integrity of masonry or elements
supported by masonry, or
- where elements support or are part of an environmental
separator, the failure of required environmental separation elements,
which could lead to deterioration, which could lead to compromised
structural integrity.
This is to limit the probability of
- excessive deflection of supported floors, which could
lead to persons losing their balance, tripping or falling, or
- the failure of fireplaces or chimneys, which could lead
to the leakage of combustion products, including carbon monoxide gas,
into living space, which could lead to the asphyxiation or acute poisoning
of persons.
This is to limit the probability of harm to persons.