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Maintenance Interval
The frequency at which a particular maintenance task is typically performed. For example:
  • Wash the windows twice each year
  • Clean the roof drains quarterly
  • Inspect the fire extinguishers once a year

Types of Intervals
Maintenance intervals can vary in their duration and cyclical patterns.
Listed below are some of the typical types of intervals:
Techniques to Manage Intervals
Listed below are some of the techniques that may be used to assist in managing maintenance intervals:
Alignment of the four different types of maintenance strategies across the asset portfolio on decisions that are risk-based and consider the whole-life of assets will result in a maintenance mix that is in conformity with ISO 55001 standards
Fig. Alignment of the four different types of maintenance strategies across the asset portfolio on decisions that are risk-based and consider the whole-life of assets will result in a maintenance mix that is in conformity with ISO 55001 standards.


The maintenance plan organized into seasonal maintenance tasks.
Fig. The maintenance plan organized into seasonal maintenance tasks.

See also:


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