To limit the probability that a person using a manual wheelchair or other manual mobility assistance device will not be able to wash their hands after using the washroom facilities without the assistance of another person, which could lead to unsanitary conditions, which could lead to harm to persons.
[Subclause (c)(i)] To exempt lavatories from the requirement for a greater minimum width as stated in Sentence 3.8.1.3.(1) and permit a lesser minimum width, on the basis that lavatories need not be wider to allow proper usage by persons using manual wheelchairs or other manual mobility assistance devices.