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What is the minimum clearance required for a toilet in a commercial building?

  1. 400 mm

  2. 450 mm

  3. 500 mm

  4. 550 mm

The correct answer is: 500 mm

The minimum clearance required for a toilet in a commercial building is typically 500 mm, or about 20 inches. This is to allow for comfortable movement and access for individuals with disabilities. Option A, 400 mm, may not provide enough space for proper accessibility. Option B, 450 mm, may not be enough for larger individuals or those using mobility aids. Option D, 550 mm, is larger than the standard requirement and may result in unnecessarily wasting space and resources. Additionally, it is important to consult local building codes for specific requirements.