RBI reduces turnaround costs for petchem, gas processing plants

By using a hazard screen to initiate its risk-based inspection program, Aristech Chemical Co.'s polypropylene plant in Neal, W.Va., found that it could safely reduce the number of internal inspections during its next turnaround (Fig. 1, photo at right).Click here to enlarge imageRisk-based inspection (RBI) programs applied in an Aristech Chemical Co. polypropylene plant (Fig. 1) and an Altura Energy Ltd. gas-processing plant used plant-specific evidence and historical and theoretical probabilities to develop well-thought-out inspection plans. The plans are expected to save at least $1 million/plant in inspection costs for future maintenance turnarounds.The American Society of Mechan...

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