Detectable warning surfaces shall consist of truncated domes aligned in a square or radial grid pattern and shall comply with R305....
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R305.1 General
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3.3 Guidance on the Visual Properties of Detectable Warnings
On dark sidewalks (e.g. asphalt) use light colored detectable warnings with a high reflectance fact or to provide light-on-dark contrast rather than using darker detectable warnings to provide...
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Truncated Domes
The detectable warning criteria specify a pattern of evenly-spaced truncated domes....
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Doors to Hazardous Areas (Reserved) [4.29.3] and Stairs (Reserved) [4.29.4]
Doors to Hazardous Areas (Reserved) [4.29.3] and Stairs (Reserved) [4.29.4] In the absence of a clear consensus on the need or specification for detectable warnings at doors and stairs...
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Detectable Warning Surfaces on Boarding Platforms Used by Buses and Rail Vehicles, and Boarding and Alighting Areas Used by Rail Vehicles (Section-by-Section Analysis)
Detectable Warning Surfaces on Boarding Platforms Used by Buses and Rail Vehicles, and Boarding and Alighting Areas Used by Rail Vehicles (Section-by-Section Analysis) The 1991 ADAAG...
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R208 Detectable Warning Surfaces (Section-by-Section Analysis)
R208 Detectable Warning Surfaces (Section-by-Section Analysis) Detectable warning surfaces consist of small truncated domes built in or applied to a walking surface that are detectable...
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11B-705.1.1.2 Dome spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 2.3 inches (58 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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11B-705.1.1.2 Dome spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 2.3 inches (58 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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11B-705.1.1.2 Dome spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 2.3 inches (58 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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11B-247.1.2.1 Platform edges
Platform boarding edges shall have detectable warnings complying with Sections 11B-705.1.1 and 11B-705.1.2.1....
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SafetyStepTD Powerbond Detectable Warning Mat Video
This is an instructional video on how to install the SafetyStepTD Powerbond Detectable Warning Mat. ...
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Detectable Warning Systems, Inc. AlertCast® Detectable Warning Installation Video
This is an informational video of the AlertCast® Detectable Warning Installation Video....
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Platform Edges: ADA Standard Section 705.2
Detectable warning surfaces at platform boarding edges shall be 24 inches (610 mm) wide and shall extend the full length of the public use areas of the platform....
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11B-705.1.2.1 Platform edges
Detectable warning surfaces at platform boarding edges shall be 24 inches (610 mm) wide and shall extend the full length of the public use areas of the platform....
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Contrast
Detectable warnings are required to contrast visually from adjacent walking surfaces, either light-on dark or dark-on-light....
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Detectable Warning Systems, Inc. EZ Set Tile™
heavy duty replaceable cast-in-place detectable warning The replaceable cast-in-place EZ Set Tile is an incredibly strong, double-reinforced polymer concrete composite....
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SafetyStepTD Ramp-Up Detectable Warning System Video
This is an instructional video on how to install the SafetyStepTD Ramp-Up Detectable Warning System....
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11B-705.1.1.3.2
11B-705.1.1.3.2 Detectable warning surfaces shall provide a 70 percent minimum visual contrast with adjacent walking surfaces....
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11B-705.1.1.3.2
Detectable warning surfaces shall provide a 70 percent minimum visual contrast with adjacent walking surfaces....
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Costs to Provide Detectable Warning Surfaces on Curb Ramps (Section-by-Section Analysis)
Costs to Provide Detectable Warning Surfaces on Curb Ramps (Section-by-Section Analysis) Detectable warning surfaces are available in a variety of materials....
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Contrast
Contrast Interior applications require that the warning feature provide contrast in resilience or in sound when sensed with a cane. The domes and their matrix must also offer a...
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Detectable Warning Systems, Inc. AlertCast® Cast-in-Place Detectable Warning installation Video
This is an installation video for the AlertCast® Cast-in-Place Detectable Warning system. ...
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Detectable warnings on curb ramps
Curb ramps must have detectable warnings. (DOT ADA Standard 406.8.)...
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705.1.3 Contrast
Detectable warning surfaces shall contrast visually with adjacent walking surfaces either light-on-dark, or dark-on-light....
