Hazard Assessment in Projects (HAZOP)

Risk identification and mitigation is essential in the industry to ensure safety, efficiency and regulatory compliance. One of the most effective methodologies is HAZOP (Hazard and Operability Study) , used to analyze deviations in industrial processes and detect possible failures that may compromise the operation. Its correct application reduces accidents, optimizes the design and prevents unnecessary costs.

In this note, we will explore the key regulations , best implementation practices and critical aspects that make HAZOP an indispensable tool in project management.

Applicable Regulations

The HAZOP method is regulated by international regulations that establish technical and safety criteria. Among the most relevant are:

• IEC 61882 – Guide for the application of the HAZOP methodology.

• ISO 31000 – Principles for risk management in industrial processes.

• OSHA 29 CFR 1910.119 – Safety in processes with hazardous substances.

• NFPA 654 – Standards for the prevention of industrial explosions.

• API RP 752/753 – Risk assessment in process facilities.

• ISO 45001 – Occupational health and safety with a preventive approach.

Compliance with these regulations ensures that projects are safer and aligned with international standards.

Best Practices for HAZOP Implementation

For HAZOP analysis to be effective, structured methodologies and a multidisciplinary approach must be applied.

1. Define the Scope of the Analysis

• Identify critical processes, equipment and systems to be evaluated.

• Establish the operating parameters to be considered in the analysis.

2. Form a Multidisciplinary Team

• Include experts in processes, safety, maintenance and operations.

• Ensure the involvement of personnel with experience in the installation.

3. Apply the Guide Words Methodology

• Evaluate deviations in flow, temperature, pressure, and composition using keywords such as Plus, Minus, None, Reverse .

• Determine causes, consequences and mitigation measures.

4. Document and Validate the Analysis

• Record findings and recommendations in a structured report.

• Implement an action plan with defined responsibilities and deadlines.

5. Monitoring and Periodic Review

• Verify the implementation of corrective measures.

• Repeat the analysis in case of changes in the process.

Key Aspects in Risk Estimation with HAZOP

To maximize the effectiveness of HAZOP analysis, the following critical aspects must be considered:

1. Identification of Specific Risks

   Evaluate equipment failures, human errors and external factors.

2. Assessing the Impact of Deviations

   Classify risks according to their severity, frequency and probability .

3. Integration with Security Systems

   Determine whether control and alarm devices are adequate.

4. Using Digital Tools

   Implement modeling and simulation software for advanced analysis.

Conclusion

The application of the HAZOP methodology allows reducing accidents, optimizing designs and ensuring regulatory compliance in the industry. Its structured implementation with a multidisciplinary approach is key to improving safety and efficiency in engineering projects.

At Acciomate Engineering & Projects , we have a team of specialists in risk management and process analysis that guarantee the execution of HAZOP studies with the highest technical rigor.