I am not sure I have to follow API 579, I am positive I have to follow ASME Section VIII and the National Board NBIC since I am dealing with a pressure vessel. If changing the orientation will require changing the rating of the vessel, than in that case I think I have do an alteration and...
Hello,
My company recently received their R stamp certification, and we were wondering if by changing an originally vertical vessel into a horizontal one (because we want to utilize it in a different process), would that be considered a repair or an alteration? We will also have to weld new...