Audio Transcript Auto-generated
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without getting too calculated, we can say that the plant
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has built alarm management using five indicators first.
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If plant is operating normally with hundreds of active alarms.
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2nd, if there are chattering alarms as well as fleeting
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and stale alarms.
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And lastly, if there is alarm flood, I say 18.2.
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Section three defines shattering alarm as an alarm that repeatedly
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transitions between active state and not active state in a
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short period of time, fleeting alarm is very similar to
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shuttering alarm, but the difference is that it is not
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rapidly repeating.
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Still alarm, on the other hand, is an alarm that
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remains enunciated for a long time, which we can surely
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call standing alarms alarm flood is when the plant has
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a minor opposite and hundreds of alarms to enunciate.
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At the same time, Studies say that 40% of abnormal
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events come from people.
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This is because people do have limitations.
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We are not good at detecting problems.
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In reams of data, we may be required to make
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hasty interventions without enough time to drink to our consequences.
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We may be unable to make consistent responses.
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We may be unable to communicate with, especially in stressful
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situations. That's why is understandable that operators may end up
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ignoring alarms, not having enough time to respond to a
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real alarm, not knowing what to do when real alarm
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comes in and changing alarm set points, often from control
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room.