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Glossary 87 Measure. A criterion, metric, or means by which a comparison with output can be made. Metadata. Information about data, including details such as document length, author, dates, and summary. N Non-hub airport. Commercial service airports that have more than 10,000 passenger boardings each year but less than 0.05% of total passenger boardings within the United States in the most current calendar year ending before the start of the current fiscal year. O Operations and maintenance (O&M). Activities related to the performance of routine, pre- ventive, predictive, scheduled, and unscheduled actions aimed at preventing asset failure or decline with the goal of increasing efficiency, reliability, and safety. Optimized decision making. A process for considering and prioritizing all options to rectify existing or potential performance failures of assets. Organizational change. A process of change in an organization as a result of change in the organizationâs business processes, organizational structure, or culture. Organizational strategic plan. An overall long-term plan for the organization that is derived from and embodies its vision, mission, values, business policies, stakeholder requirements, and objectives, and the management of its risks. P Performance indicator. A qualitative or quantitative measure of service or activity used to com- pare actual outcome against a standard or other target. Performance measures commonly relate aspects such as safety, responsiveness, cost, comfort, asset performance, reliability, and sustainability. Performance measurement. A process of assessing progress toward achieving predetermined goals, including information on the efficiency with which resources are transformed into ser- vices and outputs, the quality of those outputs, and how well they are delivered. Performance monitoring. Continuous or periodic quantitative and qualitative assessments of actual performance compared with specific objectives, targets, or standards. Preventive and/or predictive maintenance (PM). A schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. Proactive maintenance. Maintenance work that is completed to avoid failures or to identify defects that could lead to failures. Process improvement. Application of the Plan-Do-Check-Act philosophy to processes to pro- duce positive improvement and meet stakeholdersâ needs and expectations. Q Quality assurance. Implementation of all planned activities within a quality system that can be demonstrated to provide confidence that a product or service will fulfill requirements for quality.
88 Guidebook for Advanced Computerized Maintenance Management System Integration at Airports Quality control. Operational techniques and activities that sustain a quality of product or service that will satisfy specific needs. Quality management system. A formalized system that documents the structure, responsibilities, and procedures required to achieve effective quality management. R Rehabilitation. A project to rebuild or replace parts or components of an asset to restore it to a required functional condition and extend its life, which may incorporate some modi- fication. Rehabilitation henerally involves repairing the asset using available techniques and standards to restore it to its original LOS without resorting to significant upgrading or renewal. Reliability. The probability that a system performs a specified function or mission under given conditions for a prescribed time. Renewal. A project to upgrade, refurbish, or replace an existing asset with an asset of equivalent capacity or performance capability. Repair. An action to restore an item to its previous functional condition after failure or damage. Replacement. Complete replacement of an asset that has reached the end of its asset life, so as to provide a similar (or agreed alternative) LOS. Requisition. A request for an asset, item, tool, or service. The requested entity can be procured from a vendor, or it can be acquired by an inter-departmental transfer. Return on investment (ROI). A ratio that compares average annual savings to initial investment value. Risk. The likelihood of a specific (usually unwanted) future outcome, combined with conse- quences that will follow in a particular context. Usually the outcome is defined as an unwanted event, but it could be an unintended benefit, which is an opportunity to add value. Risk management. The systematic process of identifying and managing risks and opportunities for a project or business. Risk profile. A description of risk exposure that includes how risk is evaluated and identifies at-risk assets. Run-to-failure (RTF) approach. An approach in which no routine maintenance tasks are scheduled or performed on the asset. S Service life. The period of time after installation during which a building or its parts meets or exceeds the performance requirements. Service life planning. The preparation of the brief and design for a building and its parts to achieve the desired design life; also called service life design. Small hub airport. Commercial service airports that have more than 10,000 passenger board- ings each year and have at least 0.05% but less than 0.25% of total passenger boardings within the United States in the most current calendar year ending before the start of the current fiscal year.
