I agree about the insulation, I'll keep pushing on that part.
The dam will be shutdown and the tank will be drained anyway. So if the corrosion is not as bad as expected, UT from the inside should not be an issue.
Did not know tanks would have inspection ports, once on site I'll look around...
The UT crew is worried they can't get good UT measurements from the inside of the tank due to the rust build up. And operations does not want to remove any insulation from the outside of the tank. I'm working on this communication in the mean time, but for now an extensive UT survey of welds and...
I'll be inspecting and determining the integrity of a very old (installed 1965) surge tank used in a hydroelectric project.
The latest drawings on the project are all dated to 1965, and the tank is stated to have a corrosion allowance of 3/32".
Since this tank is not under pressure, I...