How often an asset fails and its associated cost depends on the quality of the maintenance program adopted by the asset owner. Most organizations use a CMMS (Computerized Maintenance Management System) best suited to the size of the project and assets to be maintained. In larger organizations, the choice of CMMS most often defaults to a standard package used across all their assets.

During the initial stages of a project lifecycle, the key functions for maintenance are often driven by the OEM in order to comply with the warranty clauses of their equipment. With time and better understanding of equipment behavior, the CMMS needs to be optimized to match the operators’ goals for their asset.

The control of maintenance functions is a complex problem. The time scales and functions vary, as does the complexity of decision-making. The complexity is caused by numerous output factors, such as safety, availability, reliability, quality and longevity. Each of these factors is in turn influenced by numerous input factors.

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