Kate:
Kiosk and ADA are a real trip. To do the best of both worlds you need to
understand the basics.
The Uniform Federal Accessibility Standards and ADA are very similar.
1. A person in a wheel chair must have 29” clear under the counter if
they are to have knee space for themselves and the wheel chair arms.
2. If a person is reaching over a counter top in a wheel chair then the
max. frontal reach is 20 to 25 inches for items 44 inch off the floor
maximum. If the vertical height of the item to reach is 48” off the
floor then the maximum reach (Counter Top Depth) is 20 inch deep.
3. Side approach of wheel chairs for flat wall surfaces (Or front of
touch screens), the minimum height of controls is 35 inches off the
floor for any controls. To 48 inch off the floor maximum.
4. The typical desk top work surface is 27 to 28 inch off the floor.
Most key boards are located at that dimension so when you get the 29
inch clear for the wheel chair (Assuming 1-1/2” to 2” thick table top
thickness ) and have a keyboard at 31 inch this places your wrist in an
uncomfortable position. Most touch screens with a 3 to 4 inch base and
the bottom of the screen at another 1 to 2 inches works good for the
handicapped in a wheel chair but awkward for a person standing.
5. Most standing kiosk without keyboard are usually 42 to 44” off the
floor. Tilting screens allow taller patrons the option to rotate the
screen upward for better viewing but then you can get into the glare
problem with lights close by the kiosk.

The best recommendation is design two units one at the wheel chair bound
patron and one for the standing patron. Some side approach (Direct front
approach) screens do have electric motors to raise and lower the screen
so both can use the same unit. One more piece to brake down but they do
work.
William M. Greaves AIA, NCARB
Principal
Architects iN Design
http://www.architectsindesign.com
[log in to unmask]
1(757) 478-6489 PHONE
1(757) 496-6489 FAX/PHONE



Can anyone tell me the specs for a computer kiosk that will be touch
screen
driven? I think I primarily need to know how high the screen should be
from
the floor to be accessible when seated or standing, if you need to be
able
to roll under (the knee space?), and what the proper tilt should be for
the
screen.

Thanks much!
Kate Cravens
National Museum of Racing

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