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5. MMRI monitoring program and plan
Manufacturers must set up a monitoring plan for the MMRIs to be monitored. This plan must specify the methodology for managing and controlling the ageing of MMRI. It must provide a framework for operations to ensure :
preventive maintenance to prevent equipment failure;
corrective maintenance to restore equipment that has broken down, or on detection of a fault highlighted during a periodic test or equipment self-diagnosis.
The plan must also cover the management of spare parts and equipment obsolescence.
To define this plan, the following elements can be taken into account.
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Reliability requirements: depending on the "reliability" expected of the equipment making up a MMRI, to achieve a SIL or NC level...
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MMRI monitoring program and plan
Conclusion
Bibliography
Digital media
Methodological guide for managing and controlling the ageing of instrumented risk control measures (MMRI), July 2011 http://www.uic.fr/plan-modernisation.asp
Guide to instrumented risk control measures – Version dated September 4, 2013
Websites
BADORIS: this access portal groups together summaries of safety devices by type of process equipment and safety function to be ensured, examining the strengths and weaknesses of each of the equipment and techniques identified. http://www.ineris.fr/badoris
Standards and norms
- Sécurité fonctionnelle des systèmes électriques/électroniques/électroniques programmables relatifs à la sécurité - CEI 61508 -
- Sécurité fonctionnelle des systèmes instrumentés de sécurité pour le secteur de l'industrie des procédés continus - CEI 61511 -
Regulations
Arrêté ministériel du 29 septembre 2005 relatif à l'évaluation et à la prise en compte de la probabilité d'occurrence, de la cinétique et de l'intensité des effets et de la gravité des conséquences des accidents potentiels dans les études de dangers des IC soumises à autorisation.
Directory
Organizations – Federations – Associations (non-exhaustive list)
Association of Measurement, Control and Automation Equipment Operators (EXERA) http://www.exera.com
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