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| Slide 7
Demonstrating Industry Good Practice
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Managing technology that has differing standards, detailed
supporting documentation and prescriptive ‘back in the day’
design assumptions
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Difficulties of aligning the older information with the requirements
of current good practice approaches i.e. IEC 61511
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Identification of the true risk reduction SIF’s within the complexity
of the existing SIS I/O count with the potential lack of traceability
to the associated plant specific hazards
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Implementing MOC with risk assessments that require the
problem to be re-visited from first principles:
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Cost
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Expertise (In-house or bought-in)
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Is there a fear that a first principle assessment may wake-up
some sleeping dogs?