Extreme care must be exercised while inspecting any pressurized system or component.
A visual inspection of the system shall include checking for the following: -
Check the evidence of leakage or loss of pressure.
Check for Distortion or Yielding of anchors, Expansion Joint hardware, the Bellows and other piping components.
Check for any unanticipated movement of the piping due to pressure.
Check for Evidence of instability (Squirm) in the Bellows.
Check for the evidence of binding of the Guides, Expansion Joints and other movable parts of the system.
Check for any evidence of abnormality or damage, the same shall be reviewed and evaluated by competent design authority.