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Tactile indicators, forethought makes for peace & ease of mind
Tuesday 7th August 2007
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The art of certifying Tactiles is in the way they work; Their Installation requires a craftperson’s skill with considered thought at the design stage. As there is clearly defined requirement for Tactile Indicators to have between a 30-60% Luminance contrast, (depending on the type of TGSI), many Architects and Interior Designers still seek the placement of the Tactile Indicator pads to blend with the surrounds.
The best way to avoid any disruption to the design aesthetic is the knowledge that Tactile Indicators must be considered in the original concept and design of the building’s birth. After all, TGSIs are a BCA requirement for any public space and as such the legal ramifications of a negligent application and product installation may become enormous with everybody becoming liable under the Disability Discrimination Act (DDA).
There are many structural anomalies that present problems but for experienced, DTAC trained installers and internal consultants, these issues may be resolved or perhaps even totally avoidable.
Here are some issues facing the application of Tactile Ground Surface Indicators:
1. The lines and the directions of the Tactiles are important to note; they sit better when they are placed in a square rather than an angle. When you can avoid a Tactile Indicator being placed in a grouting line, or expansion joint, it is better to do so. The expansion joints are filled with silicone or foam and designed to move. This continuous friction can cause havoc on a tactile that is placed on this line and the consequences may be dire.
2. Tactile Indicator regulations may also require TGSIs to be installed near electric doors where there are ramps or stairs close by. We have heard of horror stories of even keen sighted people plunging through glass panels. Remember TGSIs are there to assist in the identification of hazards but cannot make up for bad design.
3. Other problems often encountered by DTAC installers also present themselves such as when Tactiles are required to be placed on the escalator motor access covers. The Tactiles are required to be 300mm from the moving handrail and across the full with of the accessible path. Further problems are caused when and access cover is placed before or beyond the stair. This cover can encroach into the tactile territory, requiring extensive work to make a legal and certifiable installation.
For further assistance, give DTAC Pty Ltd your Tactile Issues by telephoning 1300 793 478 or go to www.dtac.com.au |
Source: Selector.com. - Tuesday 7th August 2007
Information correct at the time of publication. If you are interested in this product please use the following links.
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