API-653 Inspections

API-653 Storage Tank Inspections

External Visual Inspection and Data Collection

  • Visual inspection of all welded joints
  • Shell mapping and defect location
  • Visual inspection for shell dimensional intolerances (peaking and banding) when access is provided
  • Foundation inspection and level/settlement surveys
  • Ultrasonic inspection of shell and roof surfaces (spot inspection or 100% B-scan)
  • MFE of floor plates to determine soil side corrosion
  • Roof mapping and defect location
  • Floating roof inspection
  • Visual inspection of all appurtenances
  • Visual detection of leaks

Internal Visual Inspection and Data Collection

  • Visual inspection of all welded joints
  • Visual inspection of floor welds 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
  • Dye penetrant or magnetic particle testing of welds or nozzles

Typical Industries Serviced

  • Bulk Storage Facilities
  • Aviation Fueling Facilities
  • Pulp and Paper Mills
  • Petrochemical Plants
  • Ship Docks and Ports