Tactile warning
External stairs tactile warning surfaces
Tactile surface dimensions
- gap from stair: 300mm
- depth of surface: 600-900mm
Horizontal Strip Dimensions
- separation of strips: 50mm
- width of strip: 20mm
- height of strip: 6mm
Kerb cuts
- Accessible path gradients should be maintained at kerb cuts where possible.
- Truncated dome detectable warning surface to be used.
- Floor materials need to be firm, stable and slip resistant.
Drainage
- Kerb cuts should avoid water pooling by draining water away from path of travel.
Flared sides
- The flared sides of kerb cuts should be distinct colour contrast to surrounding surfaces.
Tactile warning surface
- Detectable tactile warning surfaces at kerb cuts required
- Warning paving should extend full width of kerb cut
- The change of level between kerb cut and roadway should be 10-15mm high
