A systems engineering fife-cycle approach is used to evaluate
two automated maintenance management systems (AMMS) for the
Facilities Service Branch (FSB) of the XYZ company. The two systems
are evaluated based on operational performance and life-cycle costs,
including acquisition/development costs and operation and
maintenance costs. A recommendation is made based on criteria
provided by FSB.
The Facilities Service Branch is currently using tedious, manual
methods to track cost, schedule, and project status data on over
2,500 individual projects performed within the department. In
addition, FSB maintains equipment history for over 1,300 systems and
their components in hard copy format. An automated system is
desired to replace the outdated paperwork methods and reduce the
amount of human effort required for the maintenance and
dissemination of equipment and project related data. The system
requirements are provided by FSB staff and management.
The two systems evaluated are an IBM PC based system and a
Wang VS100 mainframe based system. The implementation of the PC
based system involves the purchase and modification of an
off-the-shelf software package and the installation of five desk top
personal computers in a networked configuration. The Wang
mainframe option involves the development of approximately 40,000
lines of COBOL code and the use of five Wang terminals already in
place in the FSB office area.
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