Specular Inclusive vs Specular Exclusive for Luminance Contrast Tests

Specular Inclusive vs Specular Exclusive for Luminance Contrast

  • September 19, 2020
  • Tanisha Cowell

Measurement methods when testing for luminance contrast – Specular Inclusive vs Exclusiv...

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TGSO Failure

Tactile Ground Surface Indicators (TGSI’s)

  • August 22, 2018
  • Bruce Bromley

TGSI’s & Luminance Contrast Tactile Ground Surface Indicator’s (TGSI’s) are de...

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Yellow TGSIs

But Yellow Tactiles on Concrete Comply….. Dont They?

  • November 14, 2017
  • Mark Krause

We are all familiar with the now, common sight of Tactile Ground Surface indicators, (TGSI’s) on f...

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Are you specifying or approving Tactile Ground Surface Indicators TGSIs?

  • March 13, 2012
  • Bruce Bromley

I thought I’d post this after having discussions with numerous people regarding equipment and ...

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Specifying or Approving Discrete TGSIs – Do they comply

  • December 19, 2009
  • Bruce Bromley

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

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