Tactile Ground Surface Indicators

The majority of people who are blind or vision impaired have some vision. The provision of sufficient luminance-contrast in the design of signage and the choice of TGSIs will enhance access to information for people with vision impairment and forall pedestriansMore

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Luminance contrast is defined in Australian Standard 1428.1-2009 as ‘the light reflected from one surface or component, compared to the light reflected from another surface or component’. It is not the difference in the colour or the colour contrast, but the difference in the light reflective properties of each colourMore

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The key issue with the use of Discrete TGSIs is Luminance contrast, especially with the polished stainless steel type which generally do not comply. More

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Ensure you are using the correct testing equipment and calculation when determining luminance contrast to ensure full compliance is achieved. Slip resistance is also a critical item for consideration.More

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