The Problem with Reliability Centred Maintenance (RCM): Why a Holistic Maintenance Strategy is Key

Use RCM for it's foundational elements but not for its processes.
May 9, 2023
Author:
Dane Boers
Limitations of RCM

When it comes to maintenance strategies, many asset-intensive industries rely on Reliability Centred Maintenance (RCM) to keep their equipment operating smoothly. Developed in the 1960s, RCM is a popular approach to maintenance management that prioritises equipment maintenance based on the consequences of failure, with the aim of maximising the benefits of maintenance efforts and minimising the risks of equipment failure.

However, RCM has limitations that can prevent organisations from achieving the desired level of reliability and cost-effectiveness. In this article, we will explore the problems with RCM and highlight the benefits of a holistic maintenance strategy that goes beyond RCM.

The Limitations of RCM

1. Narrow Focus

One of the most significant problems with RCM is its narrow focus on individual equipment items. While RCM is good at identifying critical equipment and setting up maintenance routines based on failure risks, it does not consider the broader picture of the asset system. This narrow focus can lead to a situation where each piece of equipment is well-maintained, but the overall system still fails due to interdependencies between assets.

2. Reactive Approach

Another limitation of RCM is its reactive approach to maintenance. RCM focuses on identifying critical equipment and setting up maintenance routines to prevent failure. However, this approach does not take into account the broader context of maintenance, such as performance and condition monitoring, troubleshooting, and root cause analysis. This reactive approach can lead to missing opportunities for proactive maintenance and reduced equipment life.

3. Limited Time Horizons

Another limitation of RCM is its limited time horizons. RCM focuses on a particular period in the life of the equipment, usually when it enters service. After this point, the maintenance routines established by RCM often remain the same unless the equipment experiences a failure or a significant change in operating conditions. This narrow focus can lead to missed opportunities to optimise maintenance efforts when new data or technology becomes available.

4. Lack of Integration

Finally, another limitation of RCM is its lack of integration with other maintenance practices. RCM is often used in isolation as a stand-alone maintenance management tool. However, RCM should be viewed as one part of a broader maintenance strategy, which includes other practices such as predictive maintenance, condition monitoring, and root cause analysis. Ignoring the broader context of maintenance can lead to missed opportunities for optimising efficiency and effectiveness.

The Benefits of a Holistic Maintenance Strategy

To overcome the limitations of RCM, organisations should adopt a holistic approach to maintenance that goes beyond RCM. A holistic maintenance strategy considers the broader picture of asset management, including asset system interdependencies, proactive maintenance, long-term planning, and integration with other maintenance practices. By adopting a holistic maintenance strategy, organisations can unlock the following benefits:

1. Improved Reliability

A holistic maintenance strategy considers the broader picture of asset management, resulting in improved reliability across the asset system. Instead of focusing only on critical equipment items, a holistic maintenance strategy factors in the interdependencies between assets, ensuring that the system as a whole is reliable.

2. Proactive Maintenance

A holistic maintenance strategy includes proactive maintenance practices such as performance and condition monitoring, troubleshooting, and root cause analysis. By adopting a proactive approach, organisations can identify emerging issues before they develop into serious problems, resulting in reduced downtime and increased equipment life.

3. Long-term Planning

A holistic maintenance strategy takes a longer-term view of asset management, beyond the initial installation phase. By doing so, organisations can plan for the long-term maintenance of assets, reducing the risk of sudden failures and unexpected expenses.

4. Integration with Other Maintenance Practices

Finally, a holistic maintenance strategy includes integration with other maintenance practices such as predictive maintenance, condition monitoring, and root cause analysis. By integrating these practices, organisations can optimise maintenance efforts, reducing costs and improving asset life.

Embracing a Holistic Approach to Asset Management

While RCM may have been the gold standard for maintenance management for decades, it is no longer sufficient to meet the needs of modern asset-intensive industries. To achieve optimal reliability, cost-effectiveness, and efficiency, organisations must embrace a holistic approach to asset management that goes beyond RCM. By adopting a broader view of maintenance, organisations can unlock the benefits of a proactive, long-term, integrated maintenance strategy.

At Modla, we are committed to helping organisations take a holistic approach to asset management through our asset analytics and asset modelling services. Our unique approach separates asset domain knowledge from business processes, allowing for flexibility and evolution as your organisation matures. Check out our [case studies](https://www.modla.co/case-studies) to see how our methods have helped organisations in water and electricity utilities, rail, mining, and infrastructure improve reliability and efficiency. Contact us today to learn how we can help your organisation succeed through a holistic maintenance strategy.