Master Logic Diagram: method for hazard and initiating event identification in process plants |
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Authors: | Papazoglou I A Aneziris O N |
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Affiliation: | System Reliability and Industrial Safety Laboratory, Institute of Nuclear Technology-Radiation Protection, National Center for Scientific Research Demokritos, P.O. Box 60228, 15310, Aghia Paraskevi, Greece. yannisp@ipta.demokritos.gr |
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Abstract: | Master Logic Diagram (MLD), a method for identifying events initiating accidents in chemical installations, is presented. MLD is a logic diagram that resembles a fault tree but without the formal mathematical properties of the latter. MLD starts with a Top Event "Loss of Containment" and decomposes it into simpler contributing events. A generic MLD has been developed which may be applied to all chemical installations storing toxic and/or flammable substances. The method is exemplified through its application to an ammonia storage facility. |
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