Capability of a system or facility to be maintained to a specified level of reliability at a specified measure of cost or economy.

(a)  

Maintenance activities performed because of equipment or system failure, directed toward restoring an item to a specified level of performance.

(a)  

Maintenance that can be predicted and scheduled on a regular basis.

(a)  

A listing of unaccomplished maintenance tasks due to shortages of funds, personnel, or specific management practices.

(a)  

Corrective maintenance that requires immediate action due to impending danger to occupants, the building, or a building system.

(a)  

Maintenance activities that occur on a reasonably regular basis. Normal

(a)  

Maintenance performed as a result of testing, such as oil or vibration analysis, partially replacing preventive maintenance for some equipment.

(a)  

Planned actions undertaken to retain an item at a specified level of performance through repetitive, scheduled tasks.

(a)  

Maintenance activities that tend to fall outside the normal frame of reference due to cost, size, or infrequency of occurrence.

(a)