1. EN 1993‐3‐1: Design of steel structures ‐ Part 3‐1:Towers musts and chimneys. Tower and musts Brussels Comité Européen de Normalisation 2005.
2. EN 1993‐1‐1: Design of steel structures ‐ Part 1‐1:General rules and rules for buildings Brussels Comité Européen de Normalisation 2005.
3. EN 1993‐1‐5: Design of steel structures ‐ Part 1‐5:Plate structural elements Brussels Comité 000.Europeen de Normalisation 2006.
4. EN 1993‐1‐8: Design of steel structures ‐ Part 1‐8:Design of joints Brussels Comité Européen de Normalisation 2005.
5. EN 50341‐1: Overhead electrical lines exceeding AC 1 kV ‐ Part 1:General requirements ‐ Common specifications 2012.