Tank Inspection (API 653)

Api 653 Aboveground Storage Tank Inspector

Dexon Technology is one of the region’s leading Aboveground Storage Tank (AST) inspection and certification authorities with more than 15 years’ experience in the field. Strictly working to American Petroleum Institute Standards API 650 and API 653, Dexon provides the highest quality inspection and verification for safe and uninterrupted storage tank operation. Dome or Floating tanks as well as Cryogenic and special designs that come under API or other reputed certification agencies can be inspected and certified to full international standards.

Typical AST inspection and verification programs comply both with API and statutory requirements and will normally include the following test:

• API 653 Inspector verification3

• Tank Floor corrosion scanning by MFL3

• Tank Floor thickness verification by UTM3

• Tank Floor laser alignment for settling3

• Tank Floor leak testing by Vacuum box and MT3

• Tank structure and foundation survey3

• Tank Shell inspection by UTM3

• Tank Shell survey by Rope Access certified inspectors3

• Tank Shell survey by laser and teodolite3

• Tank shell banding, peaking and ovality verification3

• Tank Roof visual and thickness testing by UTM3

• Floating roof, seal and pontoon verification3

• Tank coils and drains hydro testing3

Yearly, 5 yearly, 10 yearly and RBI based inspection intervals, as well as DB software allows for accurate and specific AST follow up and certification to comply with all client’s requirements for safe and predictable operation of the storage tank.

Dexon Technology employs several API 653 certified inspectors and certifies several hundred AST’s every year, while maintaining the most advanced inspection/survey systems and inspector training, to conduct inspection and certifications to the highest standard.