encyclopedia

MAINLINE

Territory control on all heavy and light rail lines by the Central Control Facility (CCF) consisting of main track, interlockings, turnback tracks and yard lead tracks to the Yard Limit sign. Mainline tracks are identified as: * AR/BR/YR- Normal westbound…

MAINTAINABILITY

The quality of the combined features of equipment design and installation that facilitates the accomplishment of inspection, test, checkout, servicing, repair, and overhaul with a minimum of time, skill and resources in the planned maintenance environments. (NTSC)

MAINTAINER

Employee who maintains, repairs, constructs or otherwise improves the appearance of equipment or facilities.

MAINTENANCE

All actions necessary for retaining an item in or restoring it to an operable condition. (NTSC)

MAINTENANCE AREA

Maintenance area is any geographic region of the United States previously designated non attainment pursuant to the CAA Amendments of the 1990 and subsequently redesignated to attainment subject to the requirement to develop a maintenance plan under section 175A of…

MAINTENANCE OF WAY

Also known as Wayside Maintenance. The maintenance of rail operations fixed plant and equipment other than transit vehicles.

MAINTENANCE OF WAY DEPARTMENT

The function unit within a maintenance organization that has responsibility for the maintenance of all fixed plant and equipment other than transit vehicles.