In addition to the requirements of Specification Sections N4.1 and N4.2, visual welding inspection and nondestructive testing (NDT) shall be conducted by personnel qualified in accordance with AWS D1.8/D1.8M, clause 7.2. In addition to the requirements of Specification Section N4.3, ultrasonic testing technicians shall be qualified in accordance with AWS D1.8/D1.8M, clause 7.2.4.
User Note: The International Code Council Special Inspection Manual contains one possible method to establish the qualifications of a bolting inspector.