The maintenance interventions for the individual systems were analyzed in a previous project and maintenance plans were created.
Some aspects in the maintenance plans were simplified to be able to integrate the individual plans into an integrated maintenance plan for the pedestrian walkway. Simplifications were mainly applied to the elevator maintenance plan, which included many interventions and yearly inspections. These are not omitted but are now indirectly included n in the remaining interventions.
To account for the different lifetimes of the sub-systems the dominant lifetime of the ETICS with 60 years was chosen. In the analysis the individual systems were adapted to that lifetime by including interventions to extend their lifetime to 60 years.
The following figures show the maintenance plans for the sub-systems visualized as time-line plots. The last figure visualizes a combined overview of all maintenance interventions of the sub-systems for the integrated system of the pedestrian walkway.
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Integrated maintenance planning