Tank Inspection

Qualitech Public Company Limited is the Department of Energy Business (DOEB) Level-3 registered inspection company which has the ability to inspect and certify any size of oil storage tanks and all other chemical storage tanks.   It is mandatory by Thai law that storage tanks and its piping containing oil, fuel, and hazardous chemicals must be inspected for externally condition and internal depend on condition and related regulations by authorized person.   New construction, repaired and modified tanks are also required to inspect.

Our inspections and testing not only comply with statutory requirements but also API653. Tank Inspection as follows:

• Vertical aboveground storage tanks
• Horizontal storage tanks
• Underground storage tanks
• Oil transport tanks
• Third Party Inspection of Fabrication/Construction
• WPS, PQR, PWQT
• Visual Inspection
• Radiographic Test (RT)
• Magnetic Particle Test (MT)
• Liquid Penetrant Test (PT)
• Ultrasonic Test (UT)
• Ultrasonic Thickness Measurement (UTM)
• Phased Array Ultrasonic Test (PAUT)
• Eddy Current Array (ECA)
• Time of Flight Diffraction (TOFD)
• Tank floor scanning by MFL
• Tank shell, floor and roof thickness verification by UTM.
• Tank shell thickness gauging by Ultrasonic Crawler
• Tank foundation, bottom, and shell settlement survey
• Tank shell tilting survey
• Tank bottom leak testing by Vacuum Box
• Tank shell peaking and banding verification
• Tank roundness
• Tank grounding resistance Measurement
• Floating Roof verification by Leak Test
• Tank hydrostatic testing verification