surface preparation , ITP Inspection Test Plan, Coating, NDT PT MT UT RT, Root Cause Analysis, QA QC Plan, witness hold points, corrective actions, coating reports, WPQR, Ndt, fit-up VT dimensional checks, final QA QC dossier, Ncr, as-built dossiers, MTC, Wps, welder qualifications, COC, Blasting, painting, CAR, material traceability, Pqr