Tank inspecties
Bottom
- Ultrasonic Thickness Measurements of Patch Plates welded on Bottom plates
- 100% MFL Handscan or Floorscan Corrosion Mapping of the bottom
- 20% PT/MT Bottom cross-seam welds ( 1m*1m) / 100% Corner weld bottom to shell
Annular plates
- 100% MFL Handscan or Floorscan Corrosion Mapping of the bottom
2. Shell courses #
Shell – Roof Inspection
- UT Magnetic Crawler
Nozzles
- Shell Nozzles + reinforcement pad
- Roof Nozzles + reinforcement pad
Optional VT
- Out of Roundness
- Bottom Sag / VT Tilt
- Edge Settlement
- VT bottom to shell connection
- Ripples and Bulges
3. Bottom outside #
Technique X
- Outside Edge of Bottom
- Roof columns (if reachable)
