External steps
Building entrance single steps
Entrance with single step
Internal ramp with sliding doors
External ramp with swing doors
Internal ramp with inward swing doors
Internal ramp with porch
Internal ramp with outward swing doors
Building entrance stairs
- Any change in level should be avoided between the external area and internal area. Steps to enter building are not acceptable and if at all needed, an alternative accessible entrance must be provided to the building.
- Single steps to enter building are not acceptable as cause trip hazard for all users and are difficult for wheelchair users to climb.
- Where level change is needed for weather protection, the maximum height is 13mm.
Stairs at Buiding Entrance
External Entrance Ramp
Internal Entrance Ramp
External stairs
- Heights (rise) and tread depths (run) of stairs to be uniform.
- Open risers should be avoided.
- Stair treads & landings should be finished with non-slip material.
- Stair treads, including nosings, should be illuminated with a minimum of 100 lux,
Nosing
- If stair nosing is needed, it should not project to cause trip hazard
- Colour or material contrast to differentiate between the horizontal and vertical surfaces.
- Pattern surfaces should be avoided around stairs.
- Circular stairs should be avoided.
- Windows or doors should not open into landing areas by stairs
- Headroom of 2100mm
- On large stairs, intermediate landing areas with tactile warnings to be provided.
Handrails
- Dual height handrails on both sides of exterior steps
- Handrails on continuous inside edge of stairs with a switchback
- Wide stairs need intermediate handrails
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
