1. Material Verification
- MTC & traceability check
- Plate thickness & visual defects
2. Fabrication & Welding
- Fit-up, alignment & nozzle location
- WPS/PQR/Welder qualification verification
- In-process visual inspection
3. NDT Testing
- VT – 100%
- PT / MT – surface defects
- RT / UT – weld internal defects
- PMI / Hardness (if required)
4. Dimensional Inspection
- Overall dimensions & orientation
- Flange face & internals check
- Name plate verification
5. Pressure Test
- Hydro test (1.3–1.5 × design pressure)
- Leak & deformation check
6. Safety Devices
- Safety valve & pressure gauge calibration
- Level gauge functioning
7. Documentation Review
- Drawings, MTC, WPS, NDT reports
- PWHT & Hydro test report
- Final inspection release
8. In-Service Inspection
- Visual & thickness measurement
- Corrosion monitoring
- Periodic safety valve testing
Purpose: Ensure safety, statutory compliance & reliable operation.
