In the D1.1 code, what is the subject of Chapter 3?

Chapter 3 of the D1.1 code specifically addresses the qualifications necessary for welders, welding operators, and welding procedures. This chapter emphasizes the importance of ensuring that welding personnel and procedures are qualified to produce welds that meet the necessary standards for safety and performance. The emphasis on qualifications aligns with the overarching goal of the code, which is to ensure that all welding performed on steel structures is conducted by individuals who possess the appropriate skills and training.

Pre-qualification of Welding Procedure Specifications (WPSs) relates directly to the qualifications outlined in this chapter, as a proper understanding of how to develop and qualify these specifications is essential for ensuring they are effective and compliant with safety standards. This underlines the crucial role that welders and applicable procedures play in the overall integrity of steel structures.

This focus on the integrity of qualifications ties in directly with the responsibilities of those working in welding, as well-qualified individuals are less likely to compromise the structural integrity of a project, preventing failures and ensuring compliance with safety norms.