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Continuous Improvement with Six-Sigma Alarm Rationalization
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  iab-AAA-DMAIC-D-fig
DMAIC stands for the five step process define, measure, analyze, improve, and control.

The DMAIC alarm management cycle starts with selecting a target area in your plant and defining a target level for alarm reduction. To help you begin the process, there are benchmarks available to define these target levels.

Target level Typical benchmark in Europe Typical benchmark in Japan
Manageable
One alarm in five minutes per operator
- One alarm in two hours per 100
input points
- One operator intervention in ten minutes per 100 control loops
Desirable Less than one alarm in ten minutes per operator

- Less than one alarm in four hours
per 100 input points
- Less than one operator intervention
in one hour per 100 control loops

Our experience teaches us that in a typical plant plagued by alarm flooding during routine operations, more than 40% of all alarms are triggered by the worst ten tags. These worst ten tags are the ideal entry point for your alarm management initiative.
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