Carpenter Red Seal Exam Prep · Question
A client requests a 900 mm wide residential stair. What is the minimum acceptable handrail height, measured vertically from the top of the stair nosings, as per NBC 2020?
According to NBC 2020, Sentence 3.4.6.6.(3), handrails for residential stairs must be installed between 865 mm and 1070 mm, measured vertically from the top of
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Question: A client requests a 900 mm wide residential stair. What is the minimum acceptable handrail height, measured vertically from the top of the stair nosings, as per NBC 2020?
Answer options: ✅ 865 mm
- 900 mm
- 1070 mm
- 800 mm
Correct answer: 865 mm
Explanation: According to NBC 2020, Sentence 3.4.6.6.(3), handrails for residential stairs must be installed between 865 mm and 1070 mm, measured vertically from the top of the nosings.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
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