From a process perspective, a Reliability Assurance (RA) program contains the four quadrants, or elements described below:
The Four Quadrants of Reliability
Assurance
A Maintenance Management
System
A maintenance management system is the core of the maintenance
administration function. It allows effective planning and
scheduling, cost management and other administrative and execution
capabilities. Such systems are often computerised and known as
Computerised Maintenance Management Systems (CMMS). Almost all
modern CMMS products are very good at administration and execution
of maintenance and perform some Reliability Assurance functions.
However, in reality, these are very limited and unsuitable for
efficient deployment of the remaining three elements of an
effective and efficient Reliability Assurance program.
Strategy Review Systems
A strategy development and review system is a system that contains
the list of all the plant failure characteristics and the strategy
developed to eliminate or best-manage the consequence of unexpected
failure. Typical methods of strategy development include
Reliability Centered Maintenance (RCM) and Planned Maintenance
Optimisation (PMO).
Performance Loss Data Collection System
A performance loss data collection system is a system that records
a variety of downtime categories, rate loss and quality loss at
component and failure mode level. Such a system often collects data
electronically through DCS or SCADA systems, but then relies on
links to strategy development to code and turn the data into
valuable information.\
Reliability Incident Management System
A reliability and incident management system is a system which
controls the Root Cause Analysis and the “Plan Do Check
Act” cycle of continuous improvement and failure
elimination.
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