INADEQUATE INSPECTION CAUSE OF FLAWED VAC TOWER REVAMP
Norman P. Lieberman, Elizabeth T. Lieberman Process Improvement Engineering Metairie, La. Thorough inspection during a revamp turnaround and prior to restreaming is a vital factor in the success of revamps. Three serious problems came to light when a vacuum tower was recommissioned after a revamp, without adequate inspection. This revamp failed because the problems were not found and resolved during revamp turnaround inspections.