Carpenter Red Seal Exam Prep · Question
A carpenter is installing a wooden guardrail around a stair opening in a residential dwelling. According to the National Building Code of Canada, what is the minimum required height for this guardrail, measured from the finished floor or nosing?
For guardrails in residential areas where the difference in elevation is greater than 600 mm, the National Building Code of Canada generally requires a minimum
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Question: A carpenter is installing a wooden guardrail around a stair opening in a residential dwelling. According to the National Building Code of Canada, what is the minimum required height for this guardrail, measured from the finished floor or nosing?
Answer options:
- 800 mm
- 900 mm ✅ 1070 mm
- 1200 mm
Correct answer: 1070 mm
Explanation: For guardrails in residential areas where the difference in elevation is greater than 600 mm, the National Building Code of Canada generally requires a minimum height of 1070 mm from the finished floor or nosing. 900 mm is typical for handrails, not guardrails at an opening.
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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
- According to the National Building Code of Canada (NBC) 2020, what is the primary consideration for the requir
- Two offset stakes are driven at 2.0 m from the proposed edge of a concrete slab. The first stake is marked 'Cu
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