Safety Critical Element Management Manual
Figure 10: Example assurance target values table
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- 2. Align with maintenance strategies
| Figure 10: Example assurance target values table Assurance target value examples Item reference Description Functional location (added in next step) Assurance measure Assurance value Target value RU.SUP.K23.P203A RU.SUP.K23.P203B RU.SUP.K23.SDV26001 RU.SUP.K23.SDV26002 RU.SUP.K23.SDV26003 RU.SUP.K23.SDV26004 RU.SUP.K23.A.X203A RU.SUP.K23.A.X203B Units of measure P203A P203B SDV26001 SDV26002 SDV26003 SDV26004 X203A X203B Copied from PS for clarity Asset identifier Firewater pump A Firewater pump A Pipeline A emergency isolation valve Pipeline B emergency isolation valve Pipeline C emergency isolation valve Pipeline D emergency isolation valve Battery bank A For UPS Battery bank B For UPS Firewater flow rate Firewater flow rate ESD valve closure time ESD valve closure time ESD valve closure time ESD valve closure time Minimum duration Minimum duration >=(Flow) >=(Flow) <=(Time) <=(Time) <=(Time) <=(Time) >=(Time) >=(Time) 100 100 10 5 15 10 3 3 m³/hr m³/hr s s s s hrs hrs EP 2009-9009 Restricted 23 2. Align with maintenance strategies • Plant Maintenance Data Minimum Standard (EP 2007-5614). • Engineering Information Specification (EIS) (DEP 82.00.10.30-Gen). 2. Align with maintenance strategies In this section, the approved Operate phase performance standards are structured and loaded into the CMMS within Planned Maintenance Routines against the relevant SCE. During the Asset’s Execute phase, the RRM process takes into account the design and other requirements, and is applied to the SCEs to determine the routine maintenance strategy and performance assurance task frequency. This then provides the basis for performance checking at project handover and for managing performance assurance tasks in the Asset’s Operate phase. In cases where an existing Asset’s performance assurance requirements need improvement, this activity shall be carried out in the Asset’s Operate phase and will comprise a review and adjustment of existing maintenance plans in the CMMS or the creation of additional plans. Download 0.52 Mb. Share with your friends:
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