Non destructive tests
Visual and dimension control certificate certifying the conformity of equipment with corresponding drawing and codes & standards.
100% visual (VT) of welds.
Personal performing the visual inspection of welds shall be qualified and currently certified as certified welding inspectors(CWI) in according with AWS QC-1 ,Standard for qualification and certification of welding inspectors or CSWIP 3.1 or ISO 9712 VT Level II or ASNT VT II or internal welding Technologist (IWT)/ Inspection welding engineer(IWE) from international Institute of welding (IIW) "