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ADAAG Manual

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and is still applicable.

Protruding Objects [4.31.4]

Wall- or post-mounted pay phones and enclosures, due to their location above the standard sweep of canes (i.e., 27 inches high from the floor), can be a hazard to people with vision impairments. Telephone placement and enclosures must be designed and installed so that the telephone is not a hazardous protruding object. Enclosures with a bottom edge that is within 27 inches from the floor or ground are detectable by cane.

Diagram showing a cane-user and the maximum height to the bottom of a public telephone

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