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Chapter 7: The Americans With Disabilities Act Accessibility Guidelines (ADAAG)

Italicized text was added to the original Title III Technical Assistance Manual through supplements issued in 1993 and 1994.

Regulatory references: Appendix A to 28 CFR Part 36.

III-7.6000 Additions (ADAAG §4.1.5)

Each addition to an existing building is regarded as an alteration subject to the ADAAG alterations requirements (including triggering of path of travel obligations, if applicable). If the addition does not have an accessible entrance, the path of travel obligation may require an accessible route from the addition through the existing building, including its entrance and exterior approaches, subject to the 20 percent disproportionality limitation. Moreover, to the extent that a space or element is newly constructed as part of an addition, it is also regarded as new construction and must comply with the applicable new construction provisions of ADAAG.

ILLUSTRATION: A new multistory parking structure is planned as an addition to an existing shopping mall that is served by an elevator. Each floor of the parking garage will be connected by an accessible route to the shopping mall. As an addition, the parking structure is subject to both the new construction and alterations requirements of ADAAG. If the parking structure functions as a separate building and may be used independently of the shopping mall -- for instance, when the shopping mall is not open for business --then it would not be sufficient to provide vertical access only through the shopping center. In that case, an elevator or accessible ramp would be required in the parking structure to serve each level of the garage. If, on the other hand, vertical access to each level of the garage may be achieved through the shopping mall at all times that the garage is open, an elevator or accessible ramp would not be required in the parking structure.

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Virginia Commonwealth University | www.dbtac.vcu.edu
National Institute on Disability and Rehabilitation Research (#H133A060087-01)
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