PLANNED PREVENTIVE MAINTENANCE (PPM) OF BUILDING
It is based on a fixed execution frequency of activities that generates a calendar schedule. A time-based maintenance schedule for an asset, equipment or building fabric is based on a library with maintenance activities and its pre-set frequency of execution for that asset. These frequencies can be based on warranties, supplier instructions, legislation or experience. An example of time-based maintenance is the yearly inspection of an air-conditioning unit, its three yearly filters cleaning and its six yearly filter replacement…..
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