Ontario Building Code Practice Exam 2025 - Free Building Code Practice Questions and Study Guide

Question: 1 / 400

What is the minimum clearance required for a door in an industrial building?

750 mm

800 mm

850 mm

The minimum clearance required for a door in an industrial building is 850 mm. This is because industrial buildings typically have larger equipment and machinery that need to be moved in and out of the building through the door. Having a larger clearance not only allows for easier movement of these items, but it also allows for easier access in case of emergencies. Option A, 750 mm, may be too narrow and could cause potential hazards for workers and larger equipment. Option B, 800 mm, is closer to the correct answer but may still be too narrow for larger equipment. Option D, 900 mm, is wider than the minimum required and may not be necessary for the average industrial building. Therefore, option C provides the best balance between safety and practicality in an industrial building.

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900 mm

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