6) Standards Uni En 1090 parts 1 and 2
These harmonized standards, to be considered transversal as applicable for the CE marking according to European Regulation no. 305/2011
UNI EN 1090-1:2012
which specifies the requirements for the conformity assessment of the performance characteristics of the structural components in steel and aluminum as well as the kits placed on the market as construction products. This part represents the official version of the European Standard EN 1090-1: 2009 + A1, Part 1: Entry into force as a harmonized EN on January 1, 2011, and the coexistence period with the regulations existing will expire on 1 July 2014.
UNI EN 1090-2:2011
which deals with the requirements for the execution of steel structures, irrespective of their type and shape, including structures subject to fatigue or seismic actions. The standard is applies to structures and structural elements designed according to Eurocode 3. This standard is the official version of the European standard EN 1090-2: 2008 + A1, Part 2: Technical requirements for steel structures.
More details on the scope are available in the dedicated section CE Marking UNI EN 1090.
It is now apparent that: the parapets must be calculated using the methods defined by the Technical Building Regulations and / or Eurocode 3 and designed to withstand the actions defined in the sections of the above-mentioned norms, being permanently embedded in civil engineering works or industrial products must be produced by workshops certified in accordance with UNI EN 1090 and marketed only after CE marking