Carpenter Red Seal Exam Prep · Question
For a public building, a carpenter is installing a guard adjacent to a stairway. What is the minimum height required for this guard, measured from the leading edge of the stair nosings, according to NBC 2020?
NBC 2020, Article 3.4.6.5.(1), requires guards for public stairs to be at least 1070 mm high, measured from the nosing line, to protect against falls.
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Question: For a public building, a carpenter is installing a guard adjacent to a stairway. What is the minimum height required for this guard, measured from the leading edge of the stair nosings, according to NBC 2020?
Answer options: ✅ 1070 mm
- 920 mm
- 900 mm
- 1200 mm
Correct answer: 1070 mm
Explanation: NBC 2020, Article 3.4.6.5.(1), requires guards for public stairs to be at least 1070 mm high, measured from the nosing line, to protect against falls.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
- A site plan shows contour lines with an interval of 0.5 m. If two adjacent contour lines are labelled 124.0 m
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