10. Glossary
Instrumented risk control measures
Safety barriers comprising technical and/or organizational elements involving safety instrumentation. A MMRI comprises an information input (sensor/detector), a processing system (PLC, relay system, etc.) and an action, which may be automatic or require human intervention to implement.
Instrumented risk control measures
A MMRIC is a MMRI integrated into the plant's control system.
Safety instrumented risk control measures
MMRI whose components are dedicated solely to safety. However, the elements of an MMRIS can also be used for plant operation, provided :
they are not likely to lead to an initiating event at the origin of the accident scenario;
that...
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Bibliography
Also in our database
Bibliography
IDDIR (O.) – Principle for assessing the probability of failure of risk control measures [SE 4057] Safety and risk management (2009)
IDDIR (O.) – Quantifying risk in hazard studies [G 4218] Environment (2013)
Downloadable tools
ToolExample of MMRIC (Tool ...
Websites
In particular, you'll find the DT 93 guide (click on the "Activities" tab, then "Health, safety and environment", then "Modernization plan").
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