Section 406.8 To maintain the status quo with respect to detectable warnings in pedestrian facilities, the Department is adding a provision (not found in the current version of the new...
Search Results "Detectable Warning"
2010 ADA Definition
Detectable Warning: A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path.
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Section 406.8
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406.8 Detectable Warnings
Note to Reader: The Department of Transportation’s ADA standards require detectable warnings on curb ramps: 406.8 Detectable Warnings....
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1.3 Previous Research
The detectable warning is usually a useful point of departure for crossing the street....
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Detectable Warning
Detectable Warning. A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path....
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11B-705.1.1.2 Dome size
SECTION TITLE NOTES 11B-705.1.1.2 Dome size Aligns California Building Code dimensional requirements for detectable...
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ADAAG
Revisions made to ADAAG and the standards since they were first published affect two sections: 4.29 Detectable Warnings (suspension of the requirement as it applies to curb ramps, hazardous...
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1.5 Materials
detectable warnings....
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DETECTABLE WARNING
A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path. Advisory Definition of DETECTABLE WARNING....
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DETECTABLE WARNING
A standardized surface feature built in or applied to walking surfaces or other elements to warn persons with visual impairments of hazards on a circulation path....
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DETECTABLE WARNING
[DSA-AC] A standardized surface feature built in or applied to walking surfaces or other elements to warn persons with visual impairments of hazards on a circulation path....
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DETECTABLE WARNING
[DSA-AC] A standardized surface feature built in or applied to walking surfaces or other elements to warn persons with visual impairments of hazards on a circulation path....
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Detectable Warning
A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path....
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R208 Detectable Warning Surfaces
R208 Detectable Warning Surfaces...
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R208.1 Where Required
Detectable warning surfaces complying with R305 shall be provided at the following locations on pedestrian access routes and at transit stops: 1....
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R208.2 Where Not Required
Detectable warning surfaces are not required at pedestrian refuge islands that are cut-through at street level and are less than 1.8 meters (6.0 ft) in length in the direction of pedestrian...
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Detectable Warnings
The research project suggested that detectable warnings had a modest impact on detecting intersections since, in their absence, pedestrians with vision impairments used other available cues...
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R305 Detectable Warning Surfaces
R305 Detectable Warning Surfaces...
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R305.1 General
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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R305.1.1 Dome Size
R305.1.1 Dome Size. The truncated domes shall have a base diameter of 23 mm (0.9 in) minimum and 36 mm (1.4 in) maximum, a top diameter of 50 percent of the base diameter minimum and...
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R305.1.2 Dome Spacing
R305.1.2 Dome Spacing. The truncated domes shall have a center-to-center spacing of 41 mm (1.6 in) minimum and 61 mm (2.4 in) maximum, and a base-to-base spacing of 17 mm (0.65 in)...
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R305.1.3 Contrast
Detectable warning surfaces shall contrast visually with adjacent gutter, street or highway, or pedestrian access route surface, either light-on-dark or dark-on-light....
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R305.1.4 Size
Detectable warning surfaces shall extend 610 mm (2.0 ft) minimum in the direction of pedestrian travel....
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R305.2 Placement
The placement of detectable warning surfaces shall comply with R305.2. Advisory R305.2 Placement. Some detectable warning products require a concrete border for proper installation....
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R305.2.1 Perpendicular Curb Ramps
On perpendicular curb ramps, detectable warning surfaces shall be placed as follows: 1....