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Explosion hazard assessment

In the industrial world, where every detail matters, safety is a top priority. Explosions, though rare, can have catastrophic consequences—not only for infrastructure but, more importantly, for people. That’s why it’s crucial to identify potential hazards and minimize the risk.

This is exactly where Atex Doradztwo specializes. We offer professional services in the field of Explosion Hazard Assessment, helping your company operate efficiently and safely.

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or call +48 690 025 027

Andrzej Bobula

Safety expert in the field of ATEX and machine safety, specializing in explosion risk assessment and analysis of machines used for the production of explosive materials. Authorized to perform work related to access to explosive materials (Military Institute of Armament Technology). He has extensive experience in certification of machines compliant with ATEX standards and assessment of machine conformity with the Machinery Directive 2006/42/EC (CE).

What is an explosion hazard assessment?

An explosion hazard assessment identifies and evaluates the risk of explosion or fire in the workplace. This process is crucial in industries such as chemical and oil sectors, where flammable or explosive substances are present. The assessment helps implement safety measures that minimize risk and protect both employees and property.


It is not just a formal document, but above all a tool for ensuring safety. Although both terms refer to the same process, their main goal is to identify areas and situations where an explosion may occur. Through detailed analysis, experts can identify hazard zones, potential ignition sources, and recommend appropriate preventive measures.

How does such an assessment impact safety?

Every room or outdoor area in industrial facilities where there is a risk of explosion requires special attention. The main goal of an Explosion Risk Assessment is not only to identify potential hazards but also to describe and classify them precisely. As mentioned above, experts—such as members of our team—analyze various factors like the flammability or explosiveness of materials used, allowing them to pinpoint areas that require special precautions.

This document can be seen as the foundation for further actions, such as the development of Explosion Protection Documentation or the selection of appropriate equipment. We conduct Explosion Hazard Assessments to accurately identify and describe potential ignition sources. This enables us to define appropriate explosion hazard zones and prepare detailed documentation. Such analysis is key to ensuring maximum safety in areas where explosion risks exist.

When is the assessment carried out?

The Explosion Hazard Assessment of indoor and outdoor areas is crucial when technological processes involving potentially explosive materials are carried out on-site. Precisely at the moment when substances with a high explosion risk are present and used in daily operations, it becomes necessary to thoroughly understand and evaluate all factors that could contribute to hazardous situations. Importantly, such assessments are conducted not only to meet legal requirements but primarily to ensure the safety of employees and to protect property from potential damage.

In our work, we focus on safety in explosion hazard zones. We undertake a range of activities aimed at securing industrial facilities and enterprises against the occurrence of explosions in hazardous areas. Our specialty lies in operations based on the ATEX directive, the resulting Polish legislation, and standardization acts related to explosion safety.

Our offer includes the preparation of the following documents:

  • Expert opinions based on the ATEX directive,
  • Explosion Protection Document,
  • Control system analysis,
  • Machinery conformity assessment (ATEX compliance assessment),
  • ATEX audit and HAZOP analysis,
  • Explosion risk/hazard assessment,
  • Designation of explosion hazard zones.

Our experience:

  • Court expert – specialization: conformity assessment of machines and technological lines,
  • Position: Technical expert in machine safety – work within a Notified Body,
  • Position: Specialist in machinery conformity assessment – over 235 assessments of machines and technological lines carried out across various branches of industry.

Contact us!

Call us at +48 690 025 027 or send an email to biuro@atex-doradztwo.pl You will receive an offer within 24 hours.

Explosion hazard assessment – legal basis

The obligation to prepare an Explosion Hazard Assessment lies with the employer, as regulated by the Regulation of the Minister of the Interior and Administration of June 7, 2010, on fire protection of buildings, other construction facilities, and areas (Journal of Laws 2010 No. 109, item 719).
Furthermore, the Explosion Risk Assessment serves as the basis for further analysis and the development of the Explosion Protection Document. This issue is regulated by the Regulation of the Minister of Economy of July 8, 2010, on minimum requirements for occupational health and safety related to the possibility of explosive atmospheres occurring in the workplace, which implements the ATEX USERS Directive 1999/92/EC into Polish legislation.
The assessment also refers to a range of standards related to explosive atmospheres and procedures to be followed in such environments. Equally important is the knowledge and experience of the specialist preparing the expert opinion that is the Explosion Risk Assessment.
That’s why it is always worth cooperating only with top professionals in the field of explosion safety. A perfect example of such a professional company is Atex Doradztwo!

They trust us

Clients about us

  • This company’s services are always delivered on time and with the highest care, making every client feel special.
  • Professionalism and individual approach to the client are Mr. Andrzej’s trademarks, making cooperation with Atex Doradztwo a pure pleasure.
  • The flexibility and wide range of services offered by this company guarantee satisfaction even for the most demanding clients. I recommend!!!

What elements should an explosion hazard assessment include?

An Explosion Hazard Assessment (EHA) is not just a formality, but above all a tool for increasing safety. To be complete and effective, it must be prepared by experts in explosion protection, in accordance with the requirements of the Regulation of the Minister of the Interior and Administration. The Explosion Hazard Assessment should include:

  • identification of rooms where there is a risk of explosion,
  • indication of potential ignition sources in these rooms,
  • classification of explosion hazard zones, along with appropriate graphical documentation.

But that’s not all. A comprehensive Explosion Hazard Assessment also includes:

  • characteristics of technological processes and their interactions,
  • substances and mixtures involved in the process,
  • detailed classification of explosion hazard zones,
  • assessment of the likelihood of explosive atmospheres and ignition sources,
  • forecast of potential consequences of an explosion.

It is important to understand that only a comprehensive approach to the subject will ensure the highest level of safety in industrial facilities.

How to understand explosion hazard areas?

Explosion hazard areas are specific locations where there is a risk of explosive mixtures forming. This refers to situations where flammable gases, mists, dusts, or vapors can combine in such quantities and proportions that, if ignition occurs, they may cause an explosion. A key factor is the pressure increase resulting from such an explosion, which exceeds 5 kPa. In practice, this means that in these outdoor areas of designated explosion hazard zones, every technological process and every activity must be under constant control to avoid potential danger.

Graphical classification documentation and EHA: what should it include?

Graphical classification documentation is an integral part of the Explosion Hazard Assessment. Its main purpose is to visually present the type and extent of explosion hazard zones, along with a graphical representation of the facility layout. The documentation should include precise information on the location and identification of emission sources that could trigger ignition. Thanks to this, both employees and emergency services have a clear overview of potential hazards and can respond effectively in emergency situations.

Explosion hazard assessment – price

Determining a fixed price for an Explosion Risk Assessment is difficult, as it depends on many factors – from the complexity of technological processes, the type and quantity of materials that can create explosive mixtures, to the size and specifics of the facility. Each plant is a unique case, which is why we encourage you to contact Atex Doradztwo directly for detailed pricing information. Our team of experts will tailor the offer to the individual needs of your company. Get in touch with us today and learn more!

We have over 12 years of experience in industry

Safety in explosion hazardous areas

100%

positive reviews

235+

completed projects

200+

satisfied clients

Contact us!

Email

biuro@atex-doradztwo.pl

Phone

+48 690 025 027

Frequently asked questions

This term refers to a situation in which explosive mixtures—such as flammable gases, mists, dusts, or vapors—may occur in a room or outdoor area, and if ignited, can lead to an explosion.

The risk of explosion depends on many factors, such as the type of materials used, technological processes, and storage conditions.

The legal basis is the Regulation of the Minister of the Interior and Administration of June 7, 2010, and the Regulation of the Minister of Economy of July 8, 2010, concerning fire protection and safety in the workplace.

If technological processes are carried out in the room using materials that can form explosive mixtures—such as gases, mists, or dusts—there is a risk of explosion. An appropriate assessment must be conducted to confirm or exclude this risk.

The company conducting the Explosion Hazard Assessment should include in the document the type and extent of explosion hazard zones along with the development of graphical documentation, the location and identification of emission sources, and potential ignition sources.

The assessment should be updated whenever there are changes in technological processes, new substances are introduced, or there is a need to comply with changing legal regulations.

The assessment should be carried out by a specialist in explosion protection with appropriate knowledge and experience, such as the company Atex Doradztwo.

When determining explosion hazard zones, factors such as the type and quantity of explosive substances (gases, mists, or dusts), the possibility of ignition sources, and the conditions present in the given area are taken into account.

Yes, the explosion hazard assessment applies to both indoor areas and outdoor spaces within designated hazard zones, especially where explosive mixtures may occur.

The documentation on explosion hazard zones includes the type and extent of the explosion hazard zones, graphical documentation, the location and identification of emission sources, and potential sources that may trigger ignition.

The main ignition sources are any devices, processes, or factors that can initiate the ignition of explosive mixtures, such as gases, mists, or dusts.

Not every room, but in areas where technological processes involve materials that can form explosive mixtures, there is an increased risk of explosion. That’s why a thorough explosion risk assessment is so important.

These issues are governed by the Regulation of the Minister of the Interior and Administration of June 7, 2010, on fire protection of buildings, other construction facilities, and areas.

The pressure increase during an explosion can be caused by various factors, such as the quantity and type of explosive substance, its concentration, the presence of ignition sources, and the conditions in the given area—especially in confined spaces.

The main safety rules in explosion hazard areas are defined by regulations and standards, which recommend, among others: appropriate protective measures, regular inspections, employee training, and proper storage of explosive materials in accordance with safety guidelines.

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