20517 App O.pdf [As Published] · 132007.1259

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WAYS Consultants

 

Where used, TGSI’s must have a minimum 30% luminance contrast with
the surrounding surface (integrated units) or 45% to 60% luminance
contrast with surrounding surface (discrete units). Refer to AS1428.4-
2002.

Note: Discrete units do not comply with the Building Code and if used will
need to be proposed as part of an Alternative Solution as required by the
BCA.

 

Luminance Contrast — Stairway/Ramp Handrails

Handrails on stairways and ramps which comply with AS1428.1-2001 must
have a minimum 30% luminance contrast with the surface they are viewed
against (at 45°).

Detection of handrails by people who are Vision Impaired or have Low
Vision is significantly improved when this minimum luminance contrast
requirement is achieved.

 

Luminance Contrast - Signage (Visual and Raised Tactile)

The letters and graphics on all signs must have a minimum 30%
luminance contrast with the background surface, the background surface
must have a minimum 30% luminance contrast with the surface or frame
(sign structure) it is viewed against.

Braille (where provided) must be the same colour as the background it is
viewed against ie., no luminance contrast

 

61.7

Luminance Contrast — Kerbs

Where a kerb is provided between a pathway and a roadway the kerb
must be coloured so that it provides a minimum 30% luminance contrast
with both surfaces.

 

6.1.8

Luminance Contrast — Light Switches/GPO’s.

Light Switches and GPO’s must have a minimum 30% luminance contrast
with the surface they are viewed against to assist with the location of same
by people who have low vision or a vision impairment. Where the wall
surface and the switch plate do not provide sufficient contrast a border of
10mm minimum thickness which provides 30% luminance contrast must
surround the switch plate.

 

6.1.9

Luminance Contrast — Doorways

All doorways (the door and/or the door frame) must have a minimum 30%
luminance contrast with the surrounding wall surface.

This is to assist with location by people with a Vision Impairment or Low
Vision.

 

 

6.2.1

 

Pedestrian Surfaces — Vertical Transitions.

 

 

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