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Stairs & Ramps
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Stairs & Ramps
11 Articles
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Stairs & Ramps - General Principles
The requirements of stairs, ladders, walkways and thresholds all differ depending on the class of building and use of the stairs. For example a fire stair does not require the same handrails as a public access stair. Stairs under the BCA by definit...
1. Stair Gradients
1.1 Stair gradients will comply with the following formula. Take extra care when setting your stair ways. 1.2 Stairs over 1 m from finished ground/floor surfaces with open treads will contain no gaps between treads exceeding 125mm as per ...
2. Maintenance Walkways/Stairs/Ladders
2.1 Stairs and ladders serving non-habitable areas such as plant areas, attics and the like can be constructed in accordance with AS1657 which requires a suitable access system based on the “limits of slope”. 2.2 For walkways – the most co...
3. Ramp Gradients
3.1 There are different ramp gradients, for different applications. 3.2 A typical threshold ramp is as below; 3.3 A typical step ramp (single step) is as shown left; 3.4 A typical “kerb” or(or Pram ramp) is shown left; 3...
4. Slip Resistance
Slip resistance requirements are generally outlined in the Australian standards GUIDELINE document HB197. 4.1 All stair treads will contain a non-slip tread (R10) and/or 25 mm non-slip nosing (R11) including landings to the outer edge (refer sta...
5. Tactiles
5.1 Tactile indicators are best installed using the purpose made tactile Ceramic tiles or pavers. Using the “BLADED SHAFT” type tactile in rubber (where the individual tactile are all joined on a common strip that is set into a saw-cut in a concre...
6. Handrails
6.1 Refer BCA volume 1 D2.16/D2.17 and BCA Volume 2 (domestic Class 1) part 3.9.2 prescribed handrails 6.2 See also External waterproofing area policy 6.3 Handrails are 865mm min for stairs and 1000mm min for all other areas. Measure this ...
7. Disabled Compliance
7.1 Disabled compliance requires strict tolerances on surface abutments – see left 7.2 Typical stair with disabled compliance shown below; 7.3 Colour contrasting nosings required for stairs for disabled compliance 30% contrasting c...
8. Lighting
8.1 Stairways and ramps are required to be adequately lit at all times. Refer to the BCA for the minimum lighting and ensure the electrician confirmed the level of LUX within the stairway to ensure safe access and egress.
Ramps Requirements Matrix
References
Online Slip Testing http://www.safeenvironments.com.au/slip-resistance-test-methods/