Services - API 653
Above Ground Storage Tank Inspections
External Visual Inspection and Data Collection
- Visual inspection of all welded joints
- Shell and roof mapping and defect location
- Visual inspection for shell dimensional intolerances (peaking and banding)
- Foundation inspection and level/settlement surveys
- Ultrasonic inspection of shell and roof surfaces (spot inspection or 100% B-scan)
- Floating roof inspection
- Visual inspection of all appurtenances
- Visual detection of leaks
Internal Visual Inspection and Data Collection
- Visual inspection of all welded joints for leakage
- Floor mapping and top-side inspection for pitting and corrosion
- Ultrasonic inspection of floor plates (spot inspection or 100% B-scan)
- Interior roof and rafter inspection
- Tank floor and edge settlement survey
Other Testing Available
- Vacuum Box Testing
- Helium Leak Testing
- Magnetic Flux Evaluations
- Dye penetrant or magnetic particle testing of welds or nozzles
