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 Changing Places Design Specifications 2020

  • March 30, 2020
  • Bruce Bromley

It has been a very rewarding twelve months sharing my knowledge by assisting in the development of two technical standar...

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BCA 2019 Amendments relating to Access for People with Disability

  • April 30, 2019
  • Alison Shiels

The new BCA 2019, Volume One to be adopted on 1st May includes various amendments which are considered necessary for the effective applicat...

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Accessible Adult Change Facilities Vs Changing Places BCA 2019

  • February 22, 2019
  • Alison Shiels

Update 1 May 2019 NCC 2019 Guide to BCA Volume One Specification F2.9 Accessible adult change facilities Specifi...

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