Inspectahire has many years’ experience of carrying out storage tank inspections In accordance with EEMUA 159 guidelines, and offers clients a fully integrated service for inspections of atmospheric and low-pressure storage tanks. As well as visual inspections, the company provides a range of traditional and advanced NDT inspection services on both in-service and out-of-service assets to asses the condition and mechanical integrity of storage tanks.
Methods of inspection
- Magnetic particle inspection (MPI) – used for the inspection of the shell to bottom weld and seam welds.
- Dye Penetrate – used for the inspection of the Shell to Bottom Weld and seam welds.
- Magnetic fux leakage – used to assess the condition of the tank floor and locate defects on underside of floor plates.
- Pulsed eddy current (PEC) – used to measure wall thickness and to assess the condition of the annular ring.
- Vacuum box – used to test the integrity of the shell / bottom weld and majority of seam welds.
- CCTV and pneumatic mast – used for the inspection of drains, pipes, and areas where access is most difficult negating the use of scaffolding where access is at height.
- Ultrasonic and remote ultrasonic – remote ultrasonic to measure the wall thickness of the shell strakes and tank roof plates by following vertical scan lines on the tank shell from the ground.
- Visual – overall inspection of foundations, holding bolts.
- Unmanned aerial vehicles (UAVs) – internal and external visual, thermal and hydrocarbon leak surveys of tanks and infrastructure.
- FLIR – thermal and optical gas imaging (OGI) surveys of the storage tank and Infrastructure.