AS 1428.4 PDF

Visit our website and learn more about DR AS standards. AS/NZS Design for access and mobility – Part Means to assist the orientation of people with vision impairment: Tactile ground surface. AS/NZS Design for access and mobility – Means to assist the orientation of people with vision impairment – Tactile ground.

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Tactile indicators are everywhere in the public environment: Vision impaired pedestrians rely on consistency for accurate interpretation of the cues provided by tactiles.

To maintain consistency, a number of factors need to be considered:. Tactiles need to be manufactured to precise specifications to achieve adequate prominence without causing a tripping hazard. Tactiles must be installed with the correct spacing between each unit. 1428.4 contrast contributes to the efficacy of tactile indicators for visions impaired pedestrians.

The reason for this is that a large percentage of vision impaired people still retain partial vision and can detect the contrast provided by suitably coloured tactiles. Failure to consider the background colour could result in insufficient contrast.


DR AS – Standards Australia

Refer to the luminance chart for selection details. An essential consideration when selecting tactile indicators is the level of slip resistance provided. Tactiles are often placed at hazardous locations such as bus and rail platforms, escalators, top of stairs and pedestrian crossings.

Due to the nature of their application, tactile indicators need to withstand harsh conditions including constant foot traffic, heavy rolling loads, extreme UV levels and other natural elements such as wind and rain.

Draft for Public Comment of AS 1428.4, Design For Access and Mobility—Wayfinding

Choosing hard wearing, UV Stabilised Tactiles is essential to maintain appearance and functionality. Poor quality products suffer degradation over time.

Worn surfaces and faded colours eventually render tactiles non-compliant. Contact ABS Ws for further information, or link to our tactile indicator product page. Furthermore, the information provided is solely for the purposes of TGSIs and is not related to the design, configuration or formation to sa, handrails, ramps and accessible paths depicted therein.


Product colours should be used as a guide only. Actual product colours can vary from the colour on your screen due to variations in monitor displays. ABS West has taken all reasonable care in producing the content contained in this website.

However, ABS West will not be responsible to loss or damage arising from the use of this information. The contents of this website should not be used as a substitute to detailed analysis or investigations regarding product information, or any queries the reader wishes to have answered.

DR AS – Melbourne Access Audits

To maintain consistency, a number of factors need to be considered: Ratings are as follows: Interested in what ABS West is up to? Subscribe to our Newsletter. Submit your details and we’ll add you to our mailing list: Follow Follow Follow Follow. Archives December November October September

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