S9074-AQ-GIB-010/248 Rev 1
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5-2.3 Method of Establishing Qualification.................................................................................................. 5-1 5-2.3.1 Welding Personnel Training in Workmanship and Visual Acceptance Criteria........................ 5-2 5-2.3.2 Robotic Welding Operator Requirements. ................................................................................. 5-2 5-2.4 Alternative Qualification Methods. ..................................................................................................... 5-2 5-2.5 Qualification Limits by Base Material, Filler Material, and Process. ................................................. 5-3 5-2.6 Qualification Limits By Position and Joint Type. ............................................................................... 5-3 5-2.7 Requirements for Special Welds. ........................................................................................................ 5-3 5-2.8 Repair to Test Assemblies. .................................................................................................................. 5-3 5-2.9 Retests.................................................................................................................................................. 5-3 5-2.10 Transfer of Qualification. .................................................................................................................. 5-3 5-2.11 Maintenance of Qualification. ........................................................................................................... 5-3 5-2.11.1 Renewal of Qualification. ........................................................................................................ 5-4 5-2.11.1.1 Welding Workmanship and Visual Inspection Criteria Re-Examination....................... 5-4 5-2.12 Vision Test Requirements.................................................................................................................. 5-4 5-2.13 Loss of Qualification. ........................................................................................................................ 5-4 5-3 Performance Qualification Test Requirements. ............................................................................................ 5-4 5-3.1 Manual, Semi-Automatic, Automatic, Mechanized, and Robotic Welding. ....................................... 5-4 5-3.1.1 Base Material Form, Size, and Thickness. ................................................................................. 5-4 5-3.1.2 Requirements for Repair Welding of Castings........................................................................... 5-4 5-3.1.3 Automatic, Mechanized, and Robotic Welding. ........................................................................ 5-4 5-3.2 Fuel Gas Welding. ............................................................................................................................... 5-5 5-3.2.1 Base Material Form, Size, and Thickness. ................................................................................. 5-5 5-3.3 Tack and Fillet Welding (Excluding Socket Joints; see table 7-10, Footnote 12)............................... 5-5 5-3.3.1 Base Material Form and Size. .................................................................................................... 5-5 5-3.3.2 Extent of Qualification. .............................................................................................................. 5-5 5-3.4 Weld Surfacing (Build-up, Buttering, Hardfacing, and Cladding). ..................................................... 5-5 5-3.4.1 Cladding for Applications Where Composition Testing is Not Required, and Buttering. ......... 5-5 5-3.5 Seal, Socket, and Tube-To-Tubesheet Welds. ..................................................................................... 5-5 5-3.5.1 Thin Socket Welds, Tube-to-Tubesheet Welds, and Seal Welds Other Than Edge or Thicker Fillet Welds. ............................................................................................................................................ 5-5 5-3.5.2 Thicker Socket Welds and Other Seal Welds. ........................................................................... 5-5 5-3.6 Tube-To-Header Seal Welding of Boiler Components. ...................................................................... 5-6 5-3.6.1 Space Restrictions. ..................................................................................................................... 5-6 5-3.6.2 Nondestructive Testing. ............................................................................................................. 5-6 5-3.6.3 Macro Testing. ........................................................................................................................... 5-6 5-3.6.4 Positions. .................................................................................................................................... 5-6 5-3.6.5 Repairs. ...................................................................................................................................... 5-6 5-3.7 Lock Welds. ......................................................................................................................................... 5-6 5-4 Test and Evaluation of Qualification Test Assemblies. ................................................................................ 5-6 5-4.1 Nondestructive Inspection. .................................................................................................................. 5-6 5-4.1.1 Visual Examination. ................................................................................................................... 5-6 5-4.1.2 Nondestructive Test Performance. ............................................................................................. 5-6
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