Ontario Building Code Practice Exam

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What is the minimum height required for a handrail on a stairway in a residential building?

  1. 750 mm

  2. 850 mm

  3. 950 mm

  4. 1050 mm

The correct answer is: 850 mm

The minimum height required for a handrail on a stairway in a residential building is 850 mm. This ensures that the handrail is at a comfortable height for most adults to grip and can provide proper stability and support while using the stairs. Option A (750 mm) is generally too low and may not provide enough support for people with varying heights. Option C (950 mm) and D (1050 mm) are both too high and may not be easy for shorter individuals and children to reach. It is important to have a handrail at an appropriate height to promote safety and accessibility for all individuals in a residential building.

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