HAZOP Process

Identify hazards and deviations in the vicinity of an installation. Perform your HAZOP analysis with a mobile app.

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HAZOP Template

Use this template to conduct HAZOP studies. With its help, you can identify potential hazards and functional errors at an early stage.

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Use a checklist for the HAZOP Process


Behind the abbreviation HAZOP is a risk analysis procedure which ISO 14971 recommends in addition to the FMEA, FTA and PHA. The HAZOP process is intended to identify potential hazards and functional faults in existing or planned plant systems. The analysis method is primarily used to investigate complex operational hazards and functions in chemical processing plants, but also in nuclear, water, sewage and waste water treatment plants.


The abbreviation HAZOP stands for hazard and operability. The IEC 61882 standard describes this procedure in more detail. A HAZOP analysis is carried out by a team of interdisciplinary experts consisting of engineers, chemists, facility managers and safety officers to identify process risks, process hazards and design flaws. Various checklists are used to cover all areas in the analysis.



This article deals with:


1. How the HAZOP process is used for risk assessment


2. A tool for optimizing the HAZOP process



HAZOP as an instrument of risk analysis


The HAZOP process is based on the assumption that hazards arise because design and operating elements may deviate from their original purpose. The HAZOP team discusses possible deviations and develops various scenarios in which the system or process could fail. These are clarified in tests with the aid of checklists. After analysing the data obtained, the team can propose recommendations for safety precautions and improvements to reduce the risk of identified hazards and operational failures.


A HAZOP form primarily examines the following three parts of a plant function:


1. construction


Assess the ability of the design to perform its intended task and identify its weak points, e.g. the composition of a chemical batch reactor.


2. physical environment


Assess the environment in which the system or design is operated to ensure that it is ideal, e.g. is there enough space for the batch chemical reactor to operate as intended ?


3. procedure


evaluated technical controls such as automation, the sequence of steps, human interactions, e.g. the steps to produce the target chemical concentration.



Use a digital technology for the HAZOP form


Lumiform is a powerful inspection app. It is used to streamline HAZOP data collection and reporting. With the mobile app, any type of quality and safety inspection can be easily performed via tablet or smartphone - online or offline. With the desktop software, inspection lists are created and later the data collected on site is evaluated. This significantly reduces the risk of quality losses, industrial accidents, documentation errors and damage to reputation.


Lumiform makes it easier to meet the requirements for process documentation by using the mobile app to document via smartphone or tablet. The system guides intuitively through all documentation processes. Clean, transparent documentation helps to avoid process risks, process hazards and design errors. The easiest way to do this is with a digital solution such as Lumiform. Other advantages that help to implement the HAZOP process are:


  • The flexible form construction kit helps to convert any individual paper list into a digital checklist within minutes.

  • All audit results are bundled in a report and can be sent to stakeholders..

  • Generate real-time data via internal processes. This makes quality and safety measurable and allows processes to be continuously optimized based on data.

  • Get an overview of everything that's going on-site.

  • Depending on the application, tests are carried out about 30%-50% faster or faster.

To help you get started, we have created a free PAAG form that you can download and adapt to your needs.



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