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Total Tactiles ensures required compliance with EVERY project.
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Tactiles (Tactile Ground Surface Indicators - TGSI)
Design Requirements (AS 1428.4.1:2009):
Material: Tactiles must be made of a durable material suitable for outdoor use, and slip-resistant in both dry and wet conditions. Dimensions: The size and spacing of tactiles are specified to ensure they are detectable by foot and cane.
Contrast: There should be a sufficient contrast between the color of the tactiles and the surrounding surface to aid visually impaired individuals in detecting them. The level of contrast varies across products - (a)Integrated 30%, (b)Discrete 45%, (c)Composite Discrete 60% (refer to the image on the left for reference).
Installation: Tactiles should be securely fixed to the ground surface, with considerations for correct alignment and orientation in accordance with Australian Standard guidelines.
Stair Nosings
While there isn't a specific Australian standard solely dedicated to stair nosings, the requirements for stair nosings are generally covered under the following principles:
a. Building Code of Australia (BCA): The BCA provides guidance on the safety aspects of stairways, including nosings, to prevent slips, trips, and falls. Nosings should have a defined contrast of 30% to the tread and riser of the stairs to assist with visibility.
b. General Safety Considerations: Stair nosings should have a profile that enhances visibility, especially for visually impaired individuals. They should be slip-resistant and securely fixed to the stair tread to prevent tripping hazards.
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