If you are constructing a staircase in Class 2-9 Building, other regulations suiting your class of building may be required. Other references to staircase construction can be found in the Australian Standard AS1657 Section 4 Stairways. BCA Part 184.108.40.206 – Riser and Going Dimensions. Table (from Table D2.13 ) Riser and Going Dimensions (mm). The Australian Standard contains detailed advice on steps, stairs, landings, guard rails and so on:. Australian standards for stair construction will allow for narrower stairs but narrower stairs will be uncomfortable to use, especially if you install a hand rail or have winders.
The BCA calls for the dimensions of goings and risers of a stair to be constant throughout each stair flight. Stair Safety Overview – BCA Standards for staircase rise and going. The current Australian building standards also applies the formula, 2R + G, to quantify the relationship between riser (R), going (G), and slope. Information about balustrades, harnd rail heights and relative codes and how to prevent unsafe landings. The Building Code of Australia Parts 3.9.1 and 3.9.2, Volume 2 and Australian Standard 1170.1 are written to ensure building that enables people to move safely between different levels of the building using stairs or ramps.
Maximum rise per single step is 190mm, minimum depth is 240mm, so you can work out the distance taken to rise. Obviously I want to keep the steps in a uniformed height, so when walking up the decks, it is comfortable to step up, and varying heights may trip the person. Keep them all the same dont vary as this can catch people out. there is a standard for stairs and steps keep it under 190 and you should be fine. Look through our inspiration images to the perfect selection of stairs. Code of Australia (BCA) regulates stair construction and design in Australia. In most cases, a balustrade will subsequently be installed before the building is deemed habitable as per the NCC standards.
Calculate and Draw Stair Stringer, Headroom, Rise and Run Diagrams. Timber and Concrete Stairs. Materials and gardening theme may vary, however the dimensions of stairs are universal. The 2012 Building Code of Australia details stair construction and requirements. These Australian Stair nosing standards are drawn from the National Construction Code. Contact us today to find out if your stairs meet the new standard. The Building Code of Australia (BCA) sets the minimum standard for stair construction.