Tactile Ground Surface Indicator's purpose is to provide a tactile surface on public pathways & access routes that can be felt underfoot and recognised as a warning of impending pedestrian hazard, particularly to the vision impaired, but also as an added safety precaution to all pedestrians.
AS/NZS 1428.4:2002 controls the product and the installation requirements of Tactile Indicators.
The manufacturer has recognised the need for a range tactile indicators that is extremely functional, durable, economical & complimentary to any architecture standard. This was achieved by utilising the best materials available and considerable consultation with engineers and architects. The result is a product that looks and performs like no other.
The major points to be aware of regarding to TGSIs are;
- Types of indicators are, warning indicators and directional indicators
- Luminescence contrast requirements
- Placement requirements
Regarding to placements the standard states in Appendix A details on the application of TGSI in various situations.
A1 GENERAL
The following situations are covered:
- Stairways, ramps, escalators, and travelators.
- Car park crossings.
- Bus stops.
- Trams/light rail.
- Level path/carriageway junctions.
- Railway platforms.
- Passenger wharves.
- Projecting hazards in circulation spaces.
- Change of direction, directional indicators
A2 STAIRWAYS, RAMPS, ESCALATORS, AND TRAVELATORS
Where required, warning indicators shall be located at both the top and bottom of stairways, escalators, travelators and ramps.
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