National Structural Steelwork Specification For Building Construction 7th Edition Pdf Jun 2026

: Every steelwork contractor handling Execution Class 2 must possess a welding quality management system certified to BS EN ISO 3834-3 .

The specification strictly aligns with (Execution of steel structures and aluminium structures). It clarifies Execution Class (EXC) requirements, establishing distinct quality control loops for EXC1 through EXC4 based on the risk profile of the building. 2. Digitalization and BIM Integration : Every steelwork contractor handling Execution Class 2

2. Key Changes and Updates in the 7th Edition (1st Revision) : Every steelwork contractor handling Execution Class 2