Many owners of storage tanks understand the burden of inspecting tank shells and roofs for corrosion degradation. On one hand, the inspection quality needs to be met, while on the other hand personnel safety needs to be ensured. To make it even more complicated, downtime of the asset must be minimized. A traditional way of performing tank wall thickness degradation inspection is by ultrasonic wall thickness spot check measurements using a rope access approach or by building scaffolding. This approach leads
Source: NDT