Ontario Building Code Practice Exam

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Which of the following is not a requirement for a fire-rated partition in a high-rise building?

  1. Non-combustible materials

  2. Labeled with a fire rating

  3. Continuous from floor to underside of roof sheathing

  4. Minimum thickness of 50 mm

The correct answer is: Minimum thickness of 50 mm

A, B, and C are all requirements for a fire-rated partition in a high-rise building. A fire-rated partition must be constructed of non-combustible materials, labeled with a fire rating, and be continuous from floor to underside of roof sheathing. The minimum thickness of 50 mm is not a specific requirement for a fire-rated partition, but rather a general guideline for all walls in a high-rise building to meet fire safety standards. Therefore, option D is not the correct answer as it is not a specific requirement for a fire-rated partition.

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