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Standards

 

What are tactile ground surface indicators (TGSIs)?

Tactile Ground Surface Indicators (TGSIs) are a series of truncated cones installed on the ground or floor surface to provide cues, which when combined with other environmental information assist people who are blind or vision-impaired with their orientation. Warning TGSIs can be felt under foot, detected by cane or noticed as a light contrast between a surface. There are currently over 600,000 vision impaired or blind people in Australia today that can benefit from the placement of TGSIs.

Warning TGSIs indicate an approaching hazard but not what the nature of the hazard will be. when used in conjunction with directional tactile ground surface indicators, TGSIs provide a message to pause and consider a change in direction.

Are Tactile indicators (TGSIs) mandatory?
Tactile Ground Surface Indicators (TGSIs) are now compulsory in all new and refurbished public environments. In Australia legislated codes and standards are very specific to the design, installation and posititioning of tactiles. This legislation is in place to allow a clear intrepretation of TGSIs in public areas and to ensure that the experience of the vision impaired remains consistent in all landscapes. For more information visit Standards Australia.

Where are TGSIs typically required?
TGSIs should be installed to provide guidance and/or warning of an obstruction or hazard in any location where insufficient alternative or natural tactile cues exist. They are commonly installed in general public areas such as stairs, ramps, landings, building entry and open spaces, escalators, bus shelters, obstacles, travelators, pedestrian crossings, driveway, car park and pedestrian crossings. For more information visit Standards Australia.

Are TGSIs required to be slip resistant?
Yes it is a requirement of Australian standard AS/NZS 1428.4:2009 that a TGSI shall be slip resistant, thus it is of the utmost importance that a quality product is chosen to avoid rapid deterioration exposing the building owner to replacement costs and more importantly potential litigation for non compliance and persons injured due to falls. Clearview Tactiles offers only quality products with comprehensive warranty across the range.

What are the Australian Standards for TGSIs?
Advance planning by regulatory bodies such as, The Building Code of Australia (BCA), Australian and New Zealand Standards (AS/NZS) and The Disability Discrimination Act (DDA) have established a mandatory Code of Practice for the provision of Tactile Indicators to assist the criteria in all new and retrofitted environments. According to the Australian and New Zealand Standard 1428.4:2009 Tactile Indicators are required to be installed to an approaching hazard or change of direction along a path of travel, such as a footpath, passageway, walkway, ramp, stairs, landing or similar. CLEARVIEW TACTILES Tactile Indicators are compliant with the AS/NZS 1428 code for TGSI's at stairways, ramps, escalators and travelators. For more information visit Standards Australia.

Is luminance contrast important?
The majority of people who are vision impaired have some vision. The provision of sufficient luminance contrast in the choice of TGSI will enhance access information for people with vision impairment and for all pedestrians. For more information visit Standards Australia.

 

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