API 653 – Above Ground Storage Tank Inspection

API 653 Above Ground Storage Tank Inspection

Tanks built to API 650 and its predecessor API 12C that are in-service are covered by API-653. Tank foundation, bottom, shell, structure, roof, attached appurtenances, & nozzles are all required to be inspected. Inspections are required at recommended intervals to remain compliant with the code and environmental regulations.

Equipment Covered

  • Fixed Roof
  • Internal Floating Roof
  • Open Atmosphere

Services Offered

  1. Formal External Inspection
  2. Formal Internal Inspection
  3. Floating Roof Seal Environmental Inspection
  4. Ultrasonic Thickness Testing (UTT)
  5. Automated Ultrasonic Thickness Testing (AUT)
  6. Settlement Survey
  7. Corrosion Mapping
  8. MFL/MFE Floor scan Inspection
  9. Monthly and Annual Checklist Inspections
  10. Leak Testing
  11. Leak detection
  12. Seal inspection
  13. Post repair
  14. Dike Survey
  15. Spill Prevention Control and Countermeasure (SPCC) Plan Development and Review
  16. Corrosion rate and remaining life evaluations
  17. Fitness for Service (FFS) Evaluations
  18. Risk Based Inspection (RBI)
  19. Inspection Work Plan (IWP) Development and execution
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