Under ASME B31.3 (Process Piping), the roels and requirements for an Examiner are distinctly different from those for an [Owner’s] Inspector. While the Inspector represents the owner and audits the work, the Examiner represents the manufacturer, fabricator, or erector and is the person actually performing the quality control examinations—including visual inspection. Because ASME B31.3 classifies Visual Examination (VT) as a formal Nondestructive Examination (NDE) method, the Examiner must meet strict qualification and certification criteria outlined in Paragraph 342.1. Here are the specific requirements for an Examiner performing visual inspections: