Ontario Building Code Practice Exam

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What is the minimum height required for a guardrail on a balcony in a residential building?

  1. 0.9 meters

  2. 1.0 meter

  3. 1.1 meters

  4. 1.2 meters

The correct answer is: 1.0 meter

A guardrail is a safety feature required on balconies of residential buildings to prevent falls. The minimum height requirement is typically determined by building codes and regulations. Option A of 0.9 meters may seem like a reasonable height, but it may be too low to effectively prevent falls. Option C and D of 1.1 meters and 1.2 meters may be unnecessarily high and could be costly and inconvenient for installation. Therefore, option B of 1.0 meter is the most practical and standard minimum height for a guardrail on a balcony in a residential building.

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