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| Slide 9
Lifecycle Management O&M Phases
Design & Development of
other means of risk
reduction
Hazard and Risk Assessment
1
Allocation of safety functions to
protection layers
2
Safety Requirements
specification for the safety
instrumented system
3
Design & Engineering of
Safety Instrumented System
4
Installation, Commissioning and
Validation
5
Operation and Maintenance
6
Modification
7
Decommissioning
8
Management of functional safety and functional safety assessment
and auditing
10
Safety Life-Cycle structure and planning
11
IEC61511 Safety Lifecycle
Verification
9