The integrity management system for offshore structures platforms was established as a part of an integrated infrastructure management system. This case study is providing an integrity management system for inspection, evaluation and repair of the fixed offshore platforms in Gulf of Suez. The management system procedure is presented focusing on the first step for quantitative method for risk based inspection for risk assessment of the existing structures based on API criteria. The different factors affecting on consequence of failure as economic, health and safety and others are illustrated in scope of the risk analysis methodology. In this case study the assessment method is applied for a great number of fixed offshore structures. After applying theoretical assessment, based on the above methodology, the risk assessment is verified by using ROV subsea inspection for the fixed offshore structures. The comparison analysis between the actual structure condition from inspection analysis and the predicting risk assessment for the structure from the model will be studied. The overall management system will be illustrated in scope of predictive maintenance philosophy and reliability for all offshore structures. From this study, one can conclude that, the Integrity management system is very important to maintain the reliability of the offshore structure along its lifetime, taking into consideration all the historical data. The total quality control management system is very important in case of reviewing design, fabrication and installation to be match with the operation requirement

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