BRITISH STANDARD BS EN 1993-1-1:2005 A1:2014 Incorporating Corrigenda February 2006 and April 2009 Eurocode 3:Design of steel structures Part 1-1:General rules and rules for buildings ICS91.010.30:91.080.10 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Brissh Standards Instituion British Standards BSEN1993-1-1:2005A1:2014 National foreword This British Standard is the UK implementation of EN 1993-1-1:2005A1:2014 incorporating corrigenda February 2006 and April 2009.It supersedes BS EN 1993-1-1:2005 which is withdrawn. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags.Tags indicating changes to CEN text carry the number of the CEN corrigendum.For example text altered by February 2006 corrigendum is indicated by [AC1)(AC1. The start and finish of text introduced or altered by amendment is indicated in the text by tags.Tags indicating changes to CEN text carry the number of the CEN amendment.For example text altered by CEN amendment Al is indicated by. Where a normative part of this EN allows for a choice to be made at the national level the range and possible choice will be given in the normative text and a note will qualify it as a Nationally Determined Parameter (NDP).NDPs can be a specific value for a factor a specific level or class a particular method or a particular application rule if several are proposed in the EN.To enable BS EN 1993-1-1:2005A1:2014 to be used in the UK the latest version of the NA to this Standard containing these NDPs should also be used.At the time of publication it is NAA1:2014 to BS EN 1993-1-1:2005A1:2014. BSI as a member of CEN is obliged to publish EN 1993-1-1:2005A1:2014 as a British Standard.However attention is drawn to the fact that during the development of this amendment to this European Standard the UK mittee voted against its approval. The UK voted against its approval due to objections to the technical content of Annex C relating to the ...