Carpenter Red Seal Exam Prep · Question
A small office building (Group D occupancy) is designed with a single exit stairway. According to NBC 2020, what is the maximum floor area per storey that can be served by a single exit?
For Group D occupancies, NBC 2020 Sentence 3.4.2.2.(1) allows a single exit if the floor area is not more than 300 m² and the travel distance to the exit is wit
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Question: A small office building (Group D occupancy) is designed with a single exit stairway. According to NBC 2020, what is the maximum floor area per storey that can be served by a single exit?
Answer options:
- 150 m²
- 200 m² ✅ 300 m²
- 600 m²
Correct answer: 300 m²
Explanation: For Group D occupancies, NBC 2020 Sentence 3.4.2.2.(1) allows a single exit if the floor area is not more than 300 m² and the travel distance to the exit is within limits.
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