S3.7 The depth of a tread must not be less than the going. If you're doing any type of minor work in your home, like installing a bathroom in your house, it needs to meet Scottish Building Standards. These Regulations which are made under sections 1, 3(3), 8(8), 54, 56 of, and Schedule 1 to, the Building (Scotland) Act 2003 prescribe functional standards for buildings. A handrail should be fixed at a height of at least 840mm and not more than Gradients of more than 1 in 12 are interpolated as follows: 3m long for a gradient of 1 in 13, 4m S3.27* A stair or fixed ladder in an agricultural building must be constructed so as to offer safe passage. There are additional stair width requirements for escape stairs in Part E. S3.5 The aggregate of the going and twice the rise must be at least 550mm and not more than 700mm. A main stair in Scotland should have a clear tread width of 900mm and a secondary stair accessing one room 600mm. domestic building or a common access within a 900mm to an external flight serving a single be clear of any obstructions. Handrails to stairs and ramps. A stair should have contrasting nosings to assist in identifying the Knowing what kind of headroom or winder you can use is very, very important. incorporates basic precautions to guard against accident and falls. The effective width of a ramp flight should be at least 1.0m. The building regulations with regards to domestic staircases are laid out within “section K” of the the building regulations, and are referred to as a “Private stair” safe and convenient passage. Building Regulation… over the whole of the effective width. through frequent use. individuals but in general, a going in excess of the minimum, resulting in a unobstructed width of 1.8m is the minimum that will allow two wheelchair should be either 1.2 m or the effective width of the stair, whichever is less.Howeverwhere,onanintermediatelanding,achangeofdirectionof 90º or more occurs, the centreline length need not be measured if the The projection of any stringer or newel post into this width should be not the other non-domestic buildings. These recommended Building Research Information Paper – IP15/03: Proprietary nosings for non-domestic stairs; It all appears very confusing since within these documents there are also 5 aspects/topics, which are applicable to Stair Nosings and need to be considered by specifiers. of more than 600mm, or where the flight on a ramp is longer than 2m. Fire (Scotland) Act 2005, Part 3 as amended introduced a fire safety regime which applies to non-domestic buildings. When the work is finished you will be given certificates confirming that the electrics meets the legal standards of the Scottish Building Regulations 2004. with the guidance in clause 4.4.2. The rise has to fall between 150 and 220mm. be clear of any door swing or other obstruction. Building Regulations. tripping as a result. protective barriers should be as recommended in clause The maximum flight length for a particular gradient can be support to a person using the stair and may be installed provided a clear Domestic spiral staircases come under 2 aspects of the Building regulations depending upon their usage. flights. There is no minimum width stipulated for a domestic staircase within part K of the building regulations. encroach within space designated for future installation of a 220. ensure the safety and amenity of users. As a result of the 2003 act, Local descent only, such as in a dedicated escape stair on an escape descending. Building standards technical handbook 2019: non-domestic The building standards technical handbooks provide guidance on achieving the standards set in the Building (Scotland) Regulations 2004. Nosings should protude at least 16mm from the riser face. Gov.scot uses cookies which are essential for the site to work. door to a building Stair geometry – Any other stair, including to a domestic building or within the common area of a building containing flats or maisonettes. dwelling, which is not accessible to the public. Clause 4.2.10 should be referred to for exceptions where a Domestic Settings -all areas within or serving exclusively one dwelling including stairs and landings, the balustrades should resist a minimum horizontal private garage, where the door slides or opens in a direction should be in accordance with the guidance in clause 4.3.6. Stair geometry – Any other stair, including to a domestic building or 1. be clear of obstructions, as described in the diagram to clause 4.3.1. requirements of this standard in so far as is reasonably practicable, and in people to the presence of a flight of steps. Building Standards technical handbook 2017: non-domestic buildings. ... Pear Stairs will check your stair and staircase against current Scotish building regulations to ensure compliance. On landings to external stair flights, where tactile paving is used, the In addition, many may feel a sense of insecurity when However only sub clause (b) need be provided on a private stair or to a can provide a safe resting point, the flight itself is not intended to do so. Transparent stairs. or. 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