Massachusetts Construction Supervisor License Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

What is the standard minimum height for a guard rail on stairs within individual dwelling units?

32 inches

34 inches

The standard minimum height for a guard rail on stairs within individual dwelling units is 34 inches. This height is specified in building codes to ensure adequate safety for users of the stairs, providing a reliable barrier that helps prevent falls.

This requirement is rooted in the understanding that guardrails need to be high enough to effectively protect individuals using the stairs, while also being accessible for those who may need to hold onto a rail for support. At 34 inches, the guardrail meets both safety and usability needs for various users, including children and adults.

While options suggesting other heights may vary in different contexts or regulations, 34 inches has been established as the standard for residential stairways. It's important for construction supervisors to be well-versed in these regulations to ensure compliance and safety in their projects.

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36 inches

38 inches

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