Customer needs

Diagnosis of 3 spherical gas tanks, 4,000 m3 capacity, and periodical requalification.

Customer benefits

• The project allowed to develop a reliable methodology for assessment of integrity of LPG tanks
• Advanced NDT reduced the overall costs

Cetim answer

Cetim recommended to start with an overall acoustic emission to determine critical areas.

Delivered results

• Acoustic emission test
• Advanced NDT method to investigate flaws
• “Boat-shaped” sampling to investigate roots
• Drafting of welding repair procedure
• Calculation of residual life time