TTYs may include, for example, devices known as TDDs (telecommunication display devices or telecommunication devices for deaf persons) or computers with special modems....
Search Results "TTY Detection"
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106.5.73 TTY
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11B-247 DETECTABLE WARNINGS AND DETECTABLE DIRECTIONAL TEXTURE
[See subsections ...]
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11B-247 Detectable warnings and detectable directional texture
[See subsections ...]
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11B-247 Detectable warnings and detectable directional texture
[See subsections ...]
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11B-247.1.2.2 Curb ramps
Curb ramps shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.2....
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11B-247.1.2.2 Curb ramps
Curb ramps shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.2....
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R305 Detectable Warning Surfaces (Section-by-Section Analysis)
R305 Detectable Warning Surfaces (Section-by-Section Analysis) Detectable warning surfaces consist of truncated domes aligned in a square or radial grid pattern....
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11B-705.1.2.7 Track crossings
Detectable warnings at track crossings shall be 36 inches (914 mm) in the direction of pedestrian travel and extend the full width of the circulation path....
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11B-247.1.2.6 Reflecting pools
The edges of reflecting pools shall be protected by railings, walls, warning curbs or detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.6....
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11B-247.1.2.6 Reflecting pools
The edges of reflecting pools shall be protected by railings, walls, warning curbs or detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.6....
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11B-705.1.2.7 Track crossings
Detectable warnings at track crossings shall be 36 inches (914 mm) in the direction of pedestrian travel and extend the full width of the circulation path....
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4.29.3 Detectable Warnings on Doors To Hazardous Areas
4.29.3 Detectable Warnings on Doors To Hazardous Areas. (Reserved)....
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11B-247.1.2.7 Track crossings
Where it is necessary to cross tracks to reach transit boarding platforms, detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.7 shall be provided....
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11B-705.1.2.6 Reflecting pools
When detectable warnings are provided at reflecting pools, it shall be 24 inches (610 mm) minimum and 36 inches (914 mm) maximum in width....
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11B-247.1.2.7 Track crossings
Where it is necessary to cross tracks to reach transit boarding platforms, detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.7 shall be provided....
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11B-705.1.2.6 Reflecting pools
When detectable warnings are provided at reflecting pools, it shall be 24 inches (610 mm) minimum and 36 inches (914 mm) maximum in width....
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11B-705.1.1.1 Dome size
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (22.9 mm) minimum and 0.92 inch (23.4 mm) maximum, a top diameter of 0.45 inch (11.4 mm) minimum and...
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11B-705.1.1.1 Dome size
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (22.9 mm) minimum and 0.92 inch (23.4 mm) maximum, a top diameter of 0.45 inch (11.4 mm) minimum and...
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C. Other Requirements for TTY Equipment
Other Requirements for TTY Equipment...
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Dome Spacing: ADA Standard Section 705.1.2
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 1.6 inches (41 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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Dome Size: ADA Standard Section 705.1.1
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (23 mm) minimum and 1.4 inches (36 mm) maximum, a top diameter of 50 percent of the base diameter minimum...
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General Scoping for TTYs
General scoping for TTYs in 217.4 includes provisions specific to floors, buildings, and exterior sites and distinguishes between private and public facilities....
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Text Telephones (TTY) or Telecommunications Devices for the Deaf (TDD):
The TTY benefits people who are deaf, hard of hearing, or speech impaired and individuals seeking to communicate with them....
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2.11 Perceived Color of Detectable Warnings
The ability of people with visual impairments to correctly recognize the color of detectable warnings has important implications for both conspicuity and the potential for detectable warning...