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
 
