Safety Critical Element Management Manual2.1Align maintenance strategy with assurance tasksThe SCE performance assurance tasks and the maintenance requirements defined during the Design phase or established during the RRM process are combined to provide a clear and aligned strategy in which SCE performance assurance tasks are integrated with normal maintenance where it makes sense to do so the SCE performance assurance task frequency is derived from the RRM results or other relevant sources duplicated tasks are eliminated the needs of Asset shutdowns are established and taken into account.
Where
items are not covered by RRM, the design and other requirements shall betaken into account when defining the performance assurance task and frequency.
2.2 Prepare performance assurancetasks In this step, the performance assurance tasks derived in the previous section are structured
within Planned MaintenanceRoutines to support the way in which maintenance will be managed and meet the requirements for loading into the
CMMS. Details of the data requirements and guidance on detailed structuring and the related rules are given in the Data
Minimum Standard and
the Integrity Assurance DataImplementation Guide. Some key elements are brought into this section.
The performance assurance tasks specified within the performance standard are used to generate the planned maintenance routines using the following principles Performance assurance tasks maybe combined in the same planned maintenance routine as routine maintenance tasks on those SCEs but the operation shall be discretely identified as an assurance task and non-SCEs shall not be included performance assurance tasks on several SCEs should be combined into the same planned maintenance routine to optimise planning and execution effort. However, tasks from more than one performance standard shall not be combined into the same task list.
• Where possible, general task lists and standard text (that maybe reused for many SCEs and planned maintenance routines) should be used to simplify setup and future changes.
The performance assurance task acceptance criteria limits are contained in the task value data in the assurance target values table (Figure 10). Finally, the relevant Technical Authority shall review and approve the performance assurance task,
acceptance criteria,
measures and task frequency before it is loaded into the
CMMS.
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