encyclopedia

O&M (OPERATIONS AND MAINTENANCE)

These are the costs associated with the regular running of a new transportation facility, including labor, vehicle maintenance, and overall facility maintenance.

OBJECT-ORIENTED DATABASE MODEL

A database model in which data attributes and methods that operate on those attributes are encapsulated in structures called objects. (Modern Database Management- 4th Edition)

OBJECTIVE

1. A measurable, attainable, and desired level of achievement of a goal, including the time span within which it is to be achieved and the person or people responsible for the achievement. An objective reflects established priorities and falls within…

OBLIGATION

A federal budgetary term that refers to a binding agreement that will result in an outlay; an agreement by the federal government to pay for goods or services immediately or at some future time when the goods are delivered. Also…

OBLIGATION LIMITATION

A federal budgetary term that refers to a limit placed in appropriations bills on the amount of federal assistance that may be obligated during a specified time period. It does not affect the scheduled apportionment or allocation of funds; it…

OBSOLETE

Equipment or records that are inoperable, damaged beyond economical repair, or no longer practical to use due to outdated technology.

OCB

Ordered Call Back (Or Off-Called Back). An operator who has been directed to work on his/her day off. OCBs are called only after the regular work force and the volunteers have been used.