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Storage Tank Inspection

Gather essential data with regular maintenance and inspection

WHAT IS STORAGE TANK INSPECTION?

Storage Tank Inspections help gather essential data about safety and reliability of the tanks. It facilitates in increasing the life span of the tanks by identifying potential risks such as damage, corrosion and cracks. The data collected through the inspection is then used to run, repair or replace parts and components to prevent unnecessary breakdowns and/or accidents. Storage Tank Inspections thus support in ensuring protection of the facility staff, assets and the environment.

TÜV SÜD Storage Tank Inspection Services 

TÜV SÜD’s highly qualified and experienced API inspectors ensure integrity of above the-ground storage tanks in accordance with the standards such as API, EEMUA, BS and other local regulations. Our services include:

  • Bottom floor scanning for corrosion (using magnetic flux leakage floor mapping)
  • Eddy current testing / magnetic particle testing / penetrant testing of welds
  • Fill height & minimum required thickness calculation
  • Metallurgical failure analysis
  • Plumbness survey
  • Risk based inspection (API 580)
  • Ultrasonic thickness gauging on roof plates, shell plates, nozzles, bottom projection plates  (UTG crawler or B-scan for thickness measurements)
  • Visual inspection – foundation, shell, bottom, roof (floating & fixed)
  • Welding inspection services
  • Fitness for service (API 579)
  • Recommendations for repairs
  • Mechanical testing
  • Floating roof seal and pontoon verification
  • Corrosion mapping and corrosion rate determination
  • Evaluation of locally corroded portions
  • Manual ultrasonic testing/phased array ultrasonic testing of welds
  • Out of roundness survey
  • Remaining life calculations
  • Tank settlement (bottom, shell and edge)
  • Vacuum box testing of bottom welds for leaks
  • Visual inspection of insulated tanks
  • Witnessing hydrotest
  • Inspection of tank farm pipelines using LRUT and UTG
  • NDT & inspection of repair locations
  • Material verification - PMI
  • Detailed inspection report (with recommendations)

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