Plumber Red Seal · Question
For a barrier-free (accessible) washroom, what is the generally specified centerline of a water closet from the adjacent side wall?
Accessibility codes, referenced by the NPC, require the centerline of a water closet to be between 460 mm and 480 mm from the side wall to allow for proper tran
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Question: For a barrier-free (accessible) washroom, what is the generally specified centerline of a water closet from the adjacent side wall?
Answer options:
- 300 mm - 350 mm (12 in - 14 in)
- 400 mm - 420 mm (15.7 in - 16.5 in) ✅ 460 mm - 480 mm (18 in - 18.9 in)
- 500 mm - 550 mm (19.7 in - 21.6 in)
Correct answer: 460 mm - 480 mm (18 in - 18.9 in)
Explanation: Accessibility codes, referenced by the NPC, require the centerline of a water closet to be between 460 mm and 480 mm from the side wall to allow for proper transfer from a wheelchair and installation of grab bars.
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