The MERIDE Tool: Definition, Importance, and Implementation

03/07/2026
11:05

reading time : 2 min

Lucie Monnot

Content Marketing Manager

In industry, safety and efficiency are major challenges. You need to be able to manage the risks associated with equipment. The MERIDE tool (Méthode d’Évaluation des Risques Industriels et des Dysfonctionnements des Équipements — Industrial Risk and Equipment Malfunction Assessment Method) offers a structured approach to identifying, analyzing, and preventing potential malfunctions. Let us explore this concept.

What is the MERIDE tool?

The Industrial Risk and Equipment Malfunction Assessment Method (= MERIDE) is a systematic process that aims to identify, analyze, and evaluate the risks associated with industrial activities and equipment operation. It involves detecting hazards and estimating the probability of malfunctions occurring and their possible consequences, in order to implement preventive or corrective measures to minimize or eliminate these risks.

Why use the MERIDE method?

Using the MERIDE method is a strategic investment. It not only protects people and assets, but also ensures the long-term sustainability and performance of the company in a competitive and regulated environment. Here is how:

#1 Accident prevention and personnel protection

By identifying risks associated with equipment and industrial processes, preventive measures can be put in place to avoid accidents. This ensures employee safety and reduces the risk of injuries or dangerous situations.

#2 Regulatory compliance

Industries are subject to strict laws and standards on safety and the environment. Regular risk assessment helps ensure that the company complies with these legal obligations, thereby avoiding penalties or fines.

#3 Reduction of operational costs

Equipment malfunctions can lead to costly production stoppages. By anticipating potential problems, it is possible to plan preventive maintenance, thereby reducing costs related to emergency repairs and production losses.

#4 Improvement of equipment reliability

Risk assessment makes it possible to identify the weak points of machines and processes. By addressing these vulnerabilities, the reliability and lifespan of equipment are increased, thereby improving the overall efficiency of the company.

#5 Environmental protection

Industrial failures can have significant environmental impacts, such as leaks of harmful substances. By assessing risks, these incidents can be prevented and contribute to the preservation of the environment.

#6 Process optimization

Understanding the risks associated with different stages of production makes it possible to optimize processes, eliminate inefficiencies, and improve the quality of finished products.

#7 Proactive risk management

Rather than reacting to problems after they have occurred, this method encourages a proactive approach. This enables the company to better manage uncertainties and strengthen its resilience in the face of unexpected events.

#8 Stakeholder engagement

Risk assessment often involves collaboration between different departments. This promotes a culture of safety and continuous improvement within the company.

How to implement the MERIDE tool?

Implementing an industrial risk and equipment malfunction assessment method is essential to ensuring the safety, reliability, and efficiency of operations. Here is how to proceed:

Equipment and process identification

List all equipment, machines, and processes in the facility.
Document the technical and operational characteristics of each element.

Analysis of potential risks

Associated hazards: identify mechanical, electrical, chemical, thermal, and other risks.
Abnormal situations: consider conditions of overload, wear, or human error.

Assessment of equipment criticality

Rank equipment according to its impact on production and safety.
Use criticality matrices to prioritize the most sensitive equipment.

Implementation of analysis methods

FMECA (Failure Modes, Effects, and Criticality Analysis):
- Determine the possible failure modes.
- Evaluate the effects and severity of each failure.
HAZOP (Hazard and Operability Study):
- Analyze deviations in process parameters and their associated consequences.
Fault Tree Analysis:
- Identify the root causes of malfunctions in order to better prevent them.

Development of an action plan

Preventive actions: implement measures to eliminate or reduce risks (preventive maintenance, regular checks).
Corrective actions: prepare procedures to respond effectively in the event of a failure.

Staff training and awareness

Train teams on safety procedures and best practices.
Raise awareness of the importance of adhering to protocols and reporting anomalies.

Implementation of performance indicators

KPIs (Key Performance Indicators): track indicators such as the failure rate, Mean Time Between Failures (MTBF), and Mean Time To Repair (MTTR).
Dashboards: use tools to visualize performance and adjust actions accordingly.

Use of a CMMS (Computerized Maintenance Management System)

Centralize data on equipment, interventions, and spare parts.
Plan and monitor maintenance operations proactively.

Discover how our Field Service Management solution can optimize the monitoring of maintenance operations and improve the efficiency of your interventions.

Discover Nomadia Field Service

Audit and continuous improvement

Conduct regular audits to verify the effectiveness of the measures implemented.
Involve staff in feedback processes and the identification of new areas for improvement.

Regulatory and normative compliance

Ensure compliance with standards (ISO 31000 for risk management, ISO 55000 for asset management) and applicable regulations.
Implement regulatory monitoring to stay up to date with legal obligations.

Document management

Keep all procedures, instructions, and records related to maintenance and risk management up to date.
Facilitate access to documentation for all relevant stakeholders.

Internal communication

Encourage the reporting of incidents and near-misses.
Organize regular meetings to discuss performance and issues encountered.

Change management

Assess the risks associated with any modification to equipment, processes, or organization.
Update risk analyses and procedures accordingly.

Collaboration with external experts

Call on specialized organizations for audits or specific training.
Participate in professional networks to share best practices in the sector.

This method is one of 8 others that are equally effective! If you are interested in using these, we have written a comprehensive article presenting them all.

Discover the 9 methods for optimizing industrial maintenance

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