Sentence 9.10.8.3.(1)

Intent 1:

To limit the probability that loadbearing walls, columns and arches exposed to fire will fail or collapse prematurely, which could lead to the failure or collapse of the floor or roof assembly above, which could lead to damage to the building.

Intent 2:

To limit the probability that loadbearing walls, columns and arches exposed to fire will fail or collapse prematurely, which could lead to the failure or collapse of the floor or roof assembly above, which could lead to the spread of fire from a lower storey of a building to an upper storey or to the exterior, which could lead to damage to the building.