detectable warning

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detectable warning

According to the Americans with Disabilities Act, a change in a walking surface that alerts a disabled person to the possibility of a hazard ahead.
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concrete c&g removal & replacement (special), 310 sf detectable warnings (special); 50 sy hot-mix asphalt dw pavement - 3"; 100 sy class d patches, type ii & iiii, 5"; 1 ls traffic control & protection, standard 701501, various quantity thermoplastic pavement marking-line (4",6",12", & 24"); 120 sy furnsih & place topsoil (4"); 1,120 sy sodding (special), assorted drainage apprutenance, etc.
The detectable warning with a bar tile cue was a modification to the truncated dome detectable warnings that are required at curb ramps in the United States (U.
The guidelines require the installation of detectable warnings on sidewalks, street crossings and curb ramps, hazardous vehicular ways, and transit platform edges.
ADA also has raised controversy among blind people about modifying the built environment, particularly regarding raised, truncated dome detectable warnings, ostensibly to alert blind persons approaching or walking along platform edges.
These specifications include the required used of detectable warnings such as truncated domes, at curb ramps and hazardous vehicular areas.
Several issues involving the areas of plumbing, sinnage, automated teller machines (ATMs), detectable warnings, and cognitive disabilities are of considerations concern.
However, concerns associated with the safety and negotiability of such detectable warnings for other travelers have resulted in much controversy.
Insufficient study and research on detectable warnings led to the ANSI A117.
base course, ty b; 1,575 sy curing membrane and protective coat; 60 sy topsoil furnish and place; 60 sy sodding; 75 sf pcc s/w; 10 sf detectable warnings (special); 190 ft comb concrete c&g (special); 2 ea.
1,800 ft of curb & gutter, 820 sy of concrete pavement, 120 sy of driveways, 2,170 sf of sidewalks including 24 ramps with detectable warnings, 5 inlets, and related construction and restoration.
The work involves, but is not limited to, associated drainage work, coordination of potential wetland and/or crayfish habitat impact, signalized pedestrian crossing, pedestrian crosswalk striping, and curb ramps with detectable warnings.