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CUI Risk Reduction by Non-Intrusive Inspection by Mohammed Shamim, BP Sharjah
This document discusses corrosion under insulation (CUI) at BP Sharjah's liquid petroleum gas plant and efforts to reduce the risk of CUI through non-intrusive inspection. It outlines that CUI poses a major threat due to the plant's coastal location and insulation that is over 25 years old. BP Sharjah implemented a risk-based program including criticality surveys, visual inspections of critical areas, radiography of high-risk locations, and repair/rehabilitation. Profile radiography found corrosion indications in 30% of areas in 2007 and 15% in 2008, and allowed repair of 10% and 3.5% of areas respectively. The conclusion is that CUI detection is challenging and prevention through design and avoidance of
