![]() Guidance about information that may need to be included in the inspection records Guidance about when inspection may be required during the stages of fabrication ![]() The use of gauges/inspection aids that may be needed/helpful for inspection Recommendations about conditions suitable for visual examination Requirements for welding inspection personnel ![]() Guidance and basic requirements for visual inspection are given by: BS EN 970 (Non-destructive Examination of Fusion Welds - Visual Examination)īASIC REQUIREMENTS FOR VISUAL INSPECTION (to BS EN 970) Application Standards/Codes usually specify (or refer to other standards) the acceptance criteria for weld inspection and may be very specific about the particular techniques to be used for surface crack detection and volumetric inspection, they do not usually give any guidance about basic requirements for visual inspection. For more demanding service conditions, visual inspection is usually followed by one or more of the other NDT techniques - surface crack detection and volumetric inspection of butt welds. Visual inspection is one of the Non-Destructive Examination disciplines and for some applications may be the only form of NDE. For employers to have confidence in their work, Welding Inspectors need to have the ability to understand/interpret the various QC procedures and also have sound knowledge of welding technology. Welding Inspectors are employed to assist with the quality control (QC) activities that are necessary to ensure that welded items will meet specified requirements and be fit for their application. Welding Inspection Rev 0 Jun 06 Copyright © 2006, TWI Ltdġ.0 VISUAL INSPECTION AND WELDING INSPECTORS 1.1 Section 01 Typical Duties of Welding Inspectors TWI Ltd, Training and Examination Services WORLD CENTRE FOR MATERIALS JOINING TECHNOLOGY ![]()
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