The 29 dimension is the required clearance at the front edge of the sink which reduces to 27 at least 8 back from the front edge of the sink.
Ada sink clearance from wall.
19 inches 485 mm maximum from the side wall or.
Measurement starts from the point where a person has 9 vertical clearance for their feet and 27 vertical clearance for their knees.
Sinks must have 30 x 48 760 x 1220 mm of access.
From the rear wall shall be provided.
Perpendicular from the sidewall and 56.
Inches 1420 mm minimum measured perpendicular.
Knee clearance at the front must be 29 and at 8 back must be 27 sink center must be at least 18 from return wall 24 if parallel approach 30 x 48 clear space centered on vanity required 18 or more from toilet center to vanity side finish flooring installed under removable floor hot plumbing must be insulated or shielded.
No sharp edges allowed.
A clearance around a water.
For wheelchair accessibility the center line of the toilet must be between 16 18 405 455 mm from the wall.
The ada home page provides access to americans with disabilities act ada regulations for businesses and state and local governments technical assistance materials ada standards for accessible design links to federal agencies with ada responsibilities and information updates on new ada requirements streaming video information about department of justice ada settlement agreements.
In addition a minimum 9 inches 230 mm high toe clearance must be provided extending back toward the wall to a distance no more than 6 inches 150 mm from the back.
The sink should also be 11 to 25 inches deep and 30 inches wide.
Other additional requirements are clear floor space and insulated pipes located under the sink.
More specifically it should not be higher than 34 inches from the floor and should have a 27 inches high clearance from the knee.
The minimum knee clearance must be free of equipment or obstructions for a minimum of 8 inches 205 mm extending from the front edge of the lavatory back toward the wall.
In addition a minimum 9 inches 230 mm high toe clearance must be provided extending back toward the wall to a distance no more than 6 inches 150 mm from the back.
If you are looking for an ada cbc compliant sink you might try an american standard lucerne sink.
Objects projecting from walls for example telephones with their leading edges between 27 in and 80 in 685 mm and 2030 mm above the finished floor shall protrude no more than 4 in 100 mm into walks halls corridors passageways or aisles.
To meet ada guidelines sinks shouldn t be mounted higher than 34 inches from the floor and they should have a knee clearance of 27 inches high 30 inches wide and 11 to 25 inches deep.
This knee clearance must be 29 inches 735 mm high at the front of the lavatory and no less than 27 inches 685 mm high at a point 8 inches 205 mm back.
Closet 60 inches 1525 mm minimum measured.
This distance ensures that grab bars can be effectively used to.