Tactile Ground Surface Indicators

Why do we need TGSI installations?

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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What exactly is luminance contrast?

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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As a designer or certifier are the “Discrete TGSIS” you are responsible for comply?

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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Are You Specifying Or Approving Tactile Ground Surface Indicators TGSIs?

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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Our Blogs

New Designers Responsibilities – Performance Solutions

  • July 26, 2021
  • Bruce Bromley

Please Note: This requirement is an Australian Building Codes Board directive and does not just apply to access. All performance solutions including...

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But a Swimming Pool is BCA Class 10b, or is it?

  • December 16, 2020
  • Bruce Bromley

Not in most cases contrary to the typical advice given Class 3 hotel swimming pool   This issue comes up tim...

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Specular Inclusive vs Specular Exclusive for Luminance Contrast

  • September 19, 2020
  • Tanisha Cowell

Measurement methods when testing for luminance contrast – Specular Inclusive vs Exclusive Most peop...

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