Sentence 6.2.1.4.(1)

Intent 1:

To limit the probability that an inadequate design will lead to an inability to accommodate relative structural movement [caused by, for example, expected deflection of structural members, vibration or impact, or earthquake loads], which could lead to damage to, or malfunction of, mechanical systems or equipment installed in buildings, which could lead to the inadequate control of:

• relative humidity or indoor air temperatures,
• surface temperatures,
• air velocity, or
• condensation.

This is to limit the probability of:

• the inadequate thermal comfort of persons, and
• contact with moisture.

This is to limit the probability of harm to persons.