United States · ADA · Guidance
Guidance on the 2010 ADA Standards for Accessible Design
The Department of Justice’s explanation of changes to the ADA design standards, with section-by-section analysis and responses to public comments.
- Publisher
- U.S. Department of Justice
- Edition
- September 2010 guidance
- Search coverage
- 168 of 170 PDF pages · 4 OCR pages
AccessibilityAnthropometry & ergonomics
Open original PDF at page 114 Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.
Analysis and Commenta ry o n the 2010 ADAStandards
calculate the number of receivers required and independently usable by persons with
based on the total number of seats in all the visual impairments, but do not contain any
assembly areas, instead of each assembly technical specifications.
area separately, where the receivers are
compatible with the assistive listening 221 Assembly Areas
systems used in each of the assembly areas.
Wheelchair Spaces/Companion Seats.
Mono Jacks, Sound Pressure, Etc. Owners of large assembly areas have
Section 4.33.7 of the 1991 Standards does historically complained to the Department
not contain specific technical requirements that the requirement for one percent (1%)
for assistive listening systems. The 2010 of seating to be wheelchair seating is
Standards at section 706 require assistive excessive and that wheelchair seats are
listening systems to have standard mono not being sold. At the same time, advocates
jacks and will require hearing-aid compatible have traditionally argued that persons who
receivers to have neck loops to interface with use wheelchairs will increasingly participate
telecoils in hearing aids. The 2010 Standards in activities at assembly areas once they
also specify sound pressure level, signal-to- become accessible and that at least one
noise ratio, and peak clipping level. Currently percent (1%) of seats should be accessible.
available assistive listening systems typically
meet these technical requirements. The 1991 Standards, at sections 4.1.3(19)
(a) and 4.33.3, require assembly areas to
220 and 707 Automatic Teller Machines provide wheelchair and companion seats.
and Fare Machines In assembly areas with a capacity of more
than five hundred seats, accessible seating
Section 707 of the 2010 Standards adds at a ratio of one percent (1%) (plus one
specific technical requirements for speech seat) of the number of traditional fixed seats
output, privacy, tactilely-discernible input must be provided. The 2010 Standards, at
controls, display screens, and Braille section 221.2, require assembly areas with
instructions to the general accessibility 501 to 5000 seats to provide at least six
requirements set out in the 1991 Standards. wheelchair spaces and companion seats
Machines shall be speech enabled plus one additional wheelchair space for
and exceptions are provided that cover each additional 150 seats (or fraction thereof)
when audible tones are permitted, when between 501 through 5000. In assembly
advertisements or similar information are areas with more than 5000 seats at least 36
provided, and where speech synthesis wheelchair spaces and companion seats plus
cannot be supported. The 1991 Standards one additional wheelchair space for each
require these machines to be accessible to
110 - Guidance on the 2010 Standards: Titles II and III Department of Justice
Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.