BSI submits draft amendment for steel structures execution class

The British Standards Institution (BSI) has issued a draft amendment for comment to BS EN 1090-2, Execution of steel structures and aluminium structures. Part 2.

Comments on the draft must be submitted to BSI by 18 September and if accepted this draft amendment will supersede the current version of BS EN 1090-2: 2008 + A1: 2011.

The main proposed changes include:

• Informative Annex B giving guidance for the determination of execution class has been removed and normative requirements for the selection of execution class are now included in Annex C of EN 1993-1-1.
• A new informative Annex D has been included giving guidance on a procedure for checking the capability of thermal cutting processes.
• A new informative Annex F has been included giving guidance on the selection of weld classes.
• A new informative Annex K has been included giving guidance on determination of the loss of preload from thick coatings on contact surfaces in preloaded connections.

The removal of guidance on the selection of execution class for steel structures for Annex B of BS EN 1090-2 and its inclusion in Annex C of BS EN 1993-1-1, will allow European member states to decide the scope and conditions of application of execution class and the scope of application of execution class 1.

This has necessitated an amendment to the National Annex for EN1993-1-1 which has recently been agreed by CB/203, the BSI committee responsible for Eurocode 3.

The amended National Annex and Annex C of BS EN 1993-1-1 will be published on 29 June by the BSI.