Where the counter is a single height counter this requirement applies across the entire depth of the counter top.
Ada compliant transaction counter height.
A forward approach needs to have 12 inches of knee space under the counter.
The counter surface height shall be 38 inches 965 mm maximum above the finish floor or ground.
Section 904 4 of the 2010 standards also clarifies that the accessible portion of the counter must extend the same depth as the sales or service counter top.
Ada compliant employee work surface.
The counter adjacent to the accessible checkout aisle has a maximum height of 38 inches.
At ada counter fixed height seated workstation fixed height patron s transaction counter see detail d 34 max ada 36 max measurements from top of patron s transaction counter to the ground task chair should have a seat height range of 15 22 inches.
Space under an element between the finish floor or ground and 9 inches 230 mm above the finish floor or ground shall be considered toe clearance and shall comply with 306 2.
If a lip is provided between the counter and the checkout aisle its maximum height is 40 inches.
Counter tops in ada accessible units or workplaces must be installed 28 34 inches high as measured from the floor with the most common height being 32 inches.
The non ada transaction counter that is used by the patient is typically 42 inches high for reference.
The ada also requires minimum unobstructed areas in front of different counter types.
The ada counter is to have a 36 inch minimum length for a parallel approach or a 30 inch minimum length for a forward approach.
The top of the counter edge protection shall be 2 inches 51 mm maximum above the top of the counter surface on the aisle side of the check out counter.
Ada standards for accessible design can be downloaded from www ada.
The number of accessible aisles that is needed depends on the total number of checkout aisles provided.
Most americans with disabilities act ada compliant countertops must be no more than 36 inches from the floor but certain counters can be two inches higher and others can be as low as 34 inches from the floor.
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.
Specific questions call the toll free ada information line at 800 514 0301 voice or 800 514 0383.
At least 24 inches of space from the floor to the bottom of the counter is necessary for a person using a wheelchair to work comfortably.
Adjustable keyboard tray attached undernearth work surface perpendicular to.