across the spectrum Perform QC inspections prior to welding: layout, fit-up, sub-assembly & final-assembly inspections Perform QC inspections during welding: pre-heat, weld quality compliance, interval distortion witnessing on back gouging of critical welds Perform QC inspections after welding: dimensional checks on critical critical components, inspection of welds prior to NDT, NDT arrangements & NDT requests Perform QC inspections available for critical dims, workmanship checks (weld quality), assisting with queries, compiling checklist