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New and revised codes and standards From BSI Updates September 2023

BS EN PUBLICATIONS BS EN 12152:2023Curtain walling. Air permeability. Performance requirements and classificationsupersedes BS EN 12152:2002 BS EN …

AD 515: Welding of structural nuts and bolts

SCI’s Advisory Desk has recently received queries from designers asking if it permissible to weld structural nuts and bolts – typically for situations …

Benefits of Steel Decking

Although most designers are familiar with composite construction, it is worth a reminder of the benefits that can be achieved and how design choices can have …

New and revised codes and standards, from BSI Updates July and August 2023

BS EN PUBLICATIONS BS EN ISO 13920:2023Welding. General tolerances for welded constructions. Dimensions for lengths and angles, shape and positionsupersedes BS …

AD 512: Eurocode requirements for wind bracing connections

AD 509 reminded designers that according to BS 5950, preloaded assemblies are not required when reversal is solely due to wind loading. The AD recommended that …

Protected portal frames on fire boundary

Where single storey buildings have external walls close to a site boundary, the walls are required to have fire resistance. Such external walls have commonly …

AD 510: P281 worked example of beams curved on plan

SCI publication P281 was published in 2001 covering the design of curved steel members, in accordance with BS 5950. It is clear that this guide is still used, …

New and revised codes and standards; from BSI updates June 2023

BS EN PUBLICATIONS BS EN 17549-2:2023Building information modelling. Information structure based on EN ISO 16739-1 to exchange data templates and data sheets …

Steel design since 1932

Successive editions of BS 449 illustrate significant changes in steel design and practice over the last 90 years. For a recent project, the design rules since …

AD 509: Non-slip connections in wind bracing

SCI have received reports that frame designers are specifying non-slip connections for wind bracing – typically on the elevations or in the roof – noting …

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