Another form of straight staircase is the space saver staircase, also known as paddle stairs or alternating tread staircases, that can be used for a steeper rise, but these can only be used in certain circumstances and must comply with regulations. Stairs cannot be continuous without have a landing or floor level that breaks up the flight of stairs. Building Regulations Document K As we only supply the staircase the responsability for meeting the other requirments lies with the customer. To do this, there are many parameters and measurements you need to factor in to your calculations. Building Supplement. Studies the use and safety aspects of stairs with alternating treads. Alternating Tread Stair Approved Building Codes and Approval Letters The following condensed codes or proposals address the use of alternating tread stairs in certain applications. The pitch line is a line that is drawn across the front of all of the treads, as indicated by the blue line in the diagram above. Headroom is one of the most common problems with staircases, the building regulations state that you must have two meters headroom at all points when walking up the staircase from the pitch line. Please note this is not a full representation of the building regulations on staircases and Stairplan take no responsability for any staircases manufactured by any other staircase manufacturer or joiner. At the inner end of the tread, the going should be at least 50mm. 01952 608853 Plan Layouts Alternating Tread or Space Saving Stairs. They get their name from their unusually shaped treads which resemble a paddle, they’re often referred to as space saving stairs due to the fact they take up a lot less space than a conventional staircase. Oct 5, 2015 - How to build lapeyre or alternating tread stairs used for lofts and areas with limited room for conventional stairs. 4. Series. MasterFormat uses the term alternating tread ladder. You can see more of this staircase project here. Building stairs for your deck, patio or garden is an incredibly difficult task. Alternating tread stairs S have alternating tread steps, with adjustable height, to provide access between the two floors (the same max height as T8 mezzanine). As i can provide slipresistant stair inc bim content alternating tread each of your spiral and can have standard rise and. Please find some notes from Approved Document K of the Building Regulations 1992: Stairs, Ramps and Guards gives provisions for stairways in the design and building of stairways which form part of the structure and guidance on the aspects of geometry and guarding of stairs. The appeal . U.S. FEDERAL OSHA INTERNATIONAL BUILDING CODE U.S. COAST GUARD 1910.25(b)(9) When paragraph (b)(8) of this section allows the use of spiral, ship, or alternating tread-type stairs, they are installed, used, and maintained in accordance with manufacturer's instructions. A few of the other general requirments with Alternating Tread staircases are :- 1. 1. Undertaken at the time of the Department of the Environment's review in 1989 of the Building Regulations 1985. The projected tread depth shall be measured horizontally between the vertical planes of the foremost projections of adjacent treads. You just have to remember to start out on the correct foot when you start climbing the stairs. Staircases have the potential to be safety hazards if not designed properly. the Building Regulations 1991 (as amended) in respect of an alternating tread spiral staircase giving access to a third storey loft conversion. Quarter Landing Spacesaver Staircases - Speak to one of our designers to check we can fit a bespoke quarter landing space saver staircase to your requirments and get a quotation. (c) Stair Strength. Paddle staircases also known as “space saver stairs”, “loft stairs” or “alternating tread stairs” are manufactured using alternating paddle treads. The following drawings are included: the working triangle; stringer detail and tread detail. A Alternating Tread Staircase should only be used if there is insufficient room for a normal staircase. Remember to leave space to get on and off the stairs too – plan on needing at least 600mm. Note the Karina Space saver stair kit is a European import and does not meet the UK building regulations for alternating tread staircases. Obtaining approval for a set will usually be a matter of negotiation with your local inspector. In some situations where it is not possible to add a staircase for a loft conversion that fully satisfies the regulations in terms of width, pitch or other specifications this type of stairs can be used instead. They generally limit alternate-tread stairs to use for access to lofts and mezzanines, if they address them at all. Scottish Building Regulations. Make sure you are aware of Building Regulations requirements for staircases when thinking about your design. They can be installed on any of the four sides, in parallel to the structure with a S landing or perpendicular to the mezzanine, as well as inside the mezzanine floor. Stairs of such shaped treads were of a design which had not previously been used in the UK to any great extent. Spiral, ship, or alternating tread-type stairs are used only when the employer can demonstrate that it is not feasible to provide standard stairs. Alternating tread devices shall have a minimum projected tread of 5 inches (127 mm), a minimum tread depth of 8.5 inches (216 mm), a minimum tread width of 7 inches (178 mm) and a maximum riser height of 9.5 inches (241 mm). The distance between treads on a given side of an alternating-tread stair is actually twice the unit rise, which gives you more free tread area and therefore a safer stair in theory. For building work relating to requirement K1 of the Building Regulations, regarding the design of stairs, ladders and ramps, see regulation 17 of the Workplace (Health, Safety and Welfare) Regulations 1992. The height limit established by code is intended to provide a reasonable interval for the user so that they may rest on a level surface and to alleviate the negative effects of … Other UK Staircase Building Regulations . Before laying out your tools and getting started, you need to make sure each step will be identical in both size and shape. Detailed information on the current UK Building Regulations and space saving stairs ( or alternating tread design with Part the. Alternate-Tread stairs to use for reasonable safety will be identical in both size and shape present significant difficulties to range. Top is a European import and does not meet the UK buiding Regulations Part K sections 1.22 to 1.24 alternating... 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