For a client we run a contract for all non accessible areas. Inside this scope are NDT measurements, Maintenance and Repair. In this specific storage tank(600.000 m3) we have completed the scope with our team of specialists. The measurements where about 3000 points of UT and MPI. The maintenance inside this tank are done with rope access and special designed hanging bridge for welding bracings in the roof. Insulation has been removed on the outside of the tank. And some spots are repaired.