Sentence 9.9.4.3.(2)

  1. OS1

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To limit the probability of excessive glazing in certain doors and sidelights, which could lead to radiation exposure and excessively high temperatures in the area near the unexposed side of the door or sidelight during a fire, which could lead to the reluctance of persons to pass near the door or sidelight, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

Intent 2:

To limit the probability of excessive glazing in certain doors and sidelights, which could lead to excessively high temperatures in the area near the unexposed side of the doors during a fire, which could lead to an unacceptable radiation exposure, which could lead to harm to persons.

Intent 3:

To state the requirements for wired glass and glass block permitted by Sentence 9.9.4.2.(4) to be installed in fire separations that separate exits from the remainder of the building.

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