Sentence 3.2.2.32.(2)

  1. +
  2. +
  3. OS1
  4. OP1
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  6. OS1
  7. OP1
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Objective

OP1 Fire Protection of the Building

Attribution

[F04-OP1.3]Applies to portion of Code text: “… b) roof assemblies shall have, if of combustible construction, a fire-resistance rating not less than 45 min, …” and to Clause (c).

Intent

Intent 1:

To limit the probability that loadbearing walls, columns and arches exposed to fire will prematurely fail or collapse, which could lead to the failure or collapse of a supported combustible roof assembly during the time required to achieve occupant safety and for emergency responders to perform their duties, which could lead to damage to the building.

Intent 2:

To limit the probability that a combustible roof assembly exposed to fire will prematurely fail or collapse during the time required to achieve occupant safety and for emergency responders to perform their duties, which could lead to damage to the building.

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