The department of justice published revised regulations for titles ii and iii of the americans with disabilities act of 1990 ada in the federal register on september 15 2010.
Ada restroom sink clearance.
Clearance around a water closet shall be 60 inches 1525 mm minimum measured perpendicular from the side wall and 56 inches 1420 mm minimum measured perpendicular from the rear wall.
This guide explains requirements in the ada standards for clear floor or ground space and turning space.
The measurement starts from the point where a person has 9 inch vertical clearance for their feet and 27 inch vertical clearance for their knees.
They can also serve as a general guide for safe user friendly accessible design when ada compliance is not required.
According to the 2010 update to adaag the basic ada guidelines for a single user restroom are.
Where knee clearance is required under an element as part of a clear floor space the knee clearance shall be 11 inches 280 mm deep minimum at 9 inches 230 mm above the finish floor or ground and 8 inches 205 mm deep minimum at 27 inches 685 mm above the finish floor or ground.
30 inch by 48 inch access to the sink the door can t swing into this rectangle.
Clearances around water closets and in toilet compartments shall comply with 604 3.
The standards also address maneuvering space for wheelchair turning.
These design requirements must be met for most public and commercial bathrooms.