Straight-Cut Connection to a Steel Floor Top connections require a little more thought. If an accident happens on a stairway, it’s likely to be at the top during a descent. It’s important that the principle of ‘goings’ and ‘risers’ is observed here, particularly with regards to the top step. The approach to the stair should […]
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Connecting to a Concrete Floor – Straight-Cut Connection Using the straight cut connection can present the same problems as with connecting to a steel floor. The Foot-Fall may be limited and, depending on the thickness of the concrete, the last stair tread may impede the concrete. Then there’s also the problem of the concrete itself
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Connecting to a Steel Floor – Bottom Seating-Connection Stairways connecting to steel floors are commonly found in emergency fire escapes and industrial environments where they would provide access between floors, and to and from platforms and walkways. The specific application will determine the most suitable connection type, of which there are 2 principal options: The
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Probably the easiest way to connect a stair to a concrete floor is to sit it on top and fasten it directly to the concrete. The limiting factor here is that the concrete floor must be in place before the stair can be installed. This generally doesn’t present a problem if the stair is to
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Connecting to a Concrete Floor – Direct-Fixing When connecting to a ground floor, which in most instances would represent the first flight, the stair may be connected directly to the floor. The connection should be somewhat flexible using an adjustable bolted cleat with vertical slotted holes to make up any difference in elevations, the cleat
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Stair treads are usually a bought-out item, though some fabrication workshops make their own, it’s generally not cost effective. There are numerous suppliers whose products conform to the necessary codes and specifications which means they can be used with confidence. The key dimensions for stair treads include – the tread depth (a) / side-plate depth
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A badly designed stairway is an accident waiting to happen; too often designers do not pay sufficient attention to the geometry that can make a stair access comfortable and safe or perilous and downright dangerous. The geometry of public access stairways and fire escapes are usually determined by regional codes and regulations, but even then,
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