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Hybrid applications of IEC61511 – Laurie Blackmore
API RP14C is the regulatory design basis BUT the Operator wants to benefit from
IEC61511 full lifecycle advantages for areas where API is lacking. Benefits include:
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Establish level of risk for each hazard
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Specify performance requirements related to level of risk
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Design is based on SIL requirements
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Fault tolerance where needed
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Personnel competencies
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Address software issues
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Address systematic issues
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More formalised validation
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Prioritise testing resources
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Full lifecycle implementation but with retention of all API protection