possible Ex areas
Hazardous area industries are classified based on the presence of potentially explosive
Hazardous area industries are classified based on the presence of potentially explosive
skid-or-machine? assembly-or-machine? technology-or-machine?
Interesting questions, specially if you are about to run a multi-billion USD value technology, and it turns out to be a machine rather than a technology / installation / assembly.
#exprofessional #exownersengineering #exownersengineer #excompliance #excomplianceengineering #excomplianctodesignstage
Recently published – April 2024 – link: https://ec.europa.eu/docsroom/documents/59156 Always very useful to
In some countries, regions and the facility itself there are directives, laws,
selection of Ex cable glands varies in many ways
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Normal operation refers to the standard, expected, and safe functioning of machinery,
The preliminary examination for occupational safety – except in the case of hazardous technology – may be conducted by a person with specialized training and professional qualifications in occupational safety, a person authorized by law, or an accredited institution. The examination of hazardous technology must be conducted by a person with a professional license in occupational safety and Explosion protection.
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EPD stands for explosion protection documentation. It shall be ready at the
The Pre-Startup Safety Review (PSSR) is a critical component in the management of process safety. And shall be trated the same for explosion protection as well.
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product-or-assembly
an important topic for all operational teams of possible hazardous industries.
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ADR clearly defines:
It means a lorry shall be prepared for the delivery of dangerous goods, and in that case no Ex zone shall (can) be defined.
For all other operations such as loading, unloading, maintainence, repair…
YES…
Ex zone shall be defined!
Understanding the Risk – Some workplaces, like oil refineries or chemical plants,
The understanding and continuous support of management is essential, and shall be present and available from the 1st day of Ex issues related to site compliance.
So it shall start with design, and follow up.
Ex compliance shall be verified to the design stage. the design stage of product, site, and operation.
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Ethylene’s Impact: – Ethylene (C2H4) is a naturally occurring gas that plays
We all speak English. It is the international language for many. Standards
Responsibility for training and competence The engineering profession is responsible for determining
ChatGPT and AI models like it could have several potential effects on
An industrial facility and a city itself there is not much difference.
Explosion Protection: This refers to measures taken to prevent explosions in hazardous
country specific language it shall be
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Ensuring compliance with safety standards and regulations is paramount in hazardous area
The Explosion Protection Documentation (EPD – ATEX 153) can be considered as
The verification dossier according to IEC 60079-14 and the Explosion Protection Documentation
Inspecting a non-electrical device with Ex h (explosion-proof) protection method in a
By cultivating discipline and competency, individuals and organizations can create a culture of safety, minimize accidents and injuries, and ensure a secure working environment in hazardous settings.
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“Hot work” in an Ex (Explosive Atmosphere) hazardous environment involves operations that
check out Guidance on “EASA Fuel Tank Safety letter” it says (cut
how does it work? a decade ago we had sheeps around to
can a lorry be considered as a possible ignition source in a
Today’s challenge: H2 mixing into normal / daily gas piping network… 2-5-1o%?
EPD is about “It is a document that demonstrates the implementation of safety measures and procedures to protect workers in potentially explosive atmospheres during the operation of a facility. The EPD is based on the design of the facility and its equipment, but its primary focus is on ensuring the safe operation and maintenance of the facility.”
#exprofessional
Digital ID is a new initiative. Marking shall be available with asset. So let us utilize it for Ex compliance. The possible Eco System available on site is a way forward.
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what is more important in terms of hazardous area compliance than a good Ex design?!
what makes a good Ex design? why is it important? how to keep it up? who can do it?
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Who is he / she? First a designer shall be a designer
All service providers shall be with Ex personnel competency we used to
Sewers explode in Guadalajara, Mexico, killing hundreds Dozens of sewer explosions in
Primary – Secondary – Tertiary explosion protection So far we can say
Ex OE stands for Ex owner’s engineering. it is not a public
EN 1127-1 shall be the lead (relevant globally). it defines 13 possible
ECOsystem – Ex Controlled Organization
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a cut out from iec 60079 10 1 : 2020 “Once a
Whenever you get delivered with a solution using Ex v, it can only be considered as an installation, assembly, project (other definitions I leave to you), and there shall be a design, installation, commissioning, Ex inspection, etc. all similar to normal project conditions.
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I am interested, because: I am a hazardous area site owner, operator,
Where it belongs to? Fire protection… Worksafety… Electrical, mechanical discipline…? Interesting topic
Ex compliance is about prevention and not any real protection against recent
Short summary at the beginning of my blogpost: no more fluroscent light
it says: “This standard provides the specific requirements for the design, selection,
A combustible gas in a distribution line must contain a natural odorant
You must prove you have it. It means you purchased it. There
Definetely Ex with some pre-cautions. Risk assessment and hazardous area classification shall be first in place.
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This interpretation sheet has been prepared by IEC technical committee 31: Equipment
H2 units shall be considered as per assembly. All electrical and non.electrical Ex topics shall be taken into account.
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assembly of Ex Equipment(s) results in an assembly that creates a need for additional assessment that is not already completely covered by the
individual equipment certificates.
This article was written back in 2017. When I tell people I
Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure “t”
20 litre fuel cans: old design on the left, 1941 Nirona Wehrmacht
Situation is the following. You are requested to assemble and install: 1)
💥 ATEX REGULATION ALERT💥🇩🇿 The inspection of ATEX equipment has become mandatory⚖️
IEC 60079-14 in chapter of Verification Dossier speaks about the ‘ID’ topic
…on the other side a good example of iec 60079-26: Examples of
Source: LINK Each and every country has it regulated, but might be
So what about light blue – the recommended colour of Ex i?
After the signature of the construction contract, the contractor bears the legal
Sure not. IIC, IIC (H2), IIB + H2 all have existed for
According ATEX 137 employer of hazardous area industries shall define the Ex
Sparks or certain radiations can cause a mixture of hydrogen and chlorine
In order to select the appropriate electrical (and non.electrical) Ex equipment for
The act of introducing equipment where specifications are not identical to an
This standard provides the specific requirements for the design, selection, erection and
The combined marking for equipment which include an electrical part and a
Is your smartphone or a tablet containing a LED to support a
QUESTION: Are there any requirements for an IECEx Certification Body, ExCB, to be
Equipment assemblers and manufacturers have made requests to certify equipment with a
Some types of Ex Equipment, such as large electric motors, are provided
Under ATEX Directive this is the modul D. On the other hand
What you do when you experience failures / non compliance /… related
You are on site, and you do Ex detailed inspection. There are:
Breathing and draining devices shall incorporate permeable elements which can withstand the
Interesting comments have been published back in 2011 – see link It
Most of EPCs, owners, designers, etc are not aware of it. More
Mitigations which reduce the potential for the formation of a flammable mixture:
Reference should be made to the various implementations of EN 61508-3 Functional
1. You have an Ex h certified pump. Level of Ex safety
Relations there are many. Ex is a risk reduction factor for HAZOP.
“ia” way of Ex protection enables the installation to be installed as
ISO 80079-36 and -37 stand for non electrical explosion protection and list
It is mandatory. It shall be with the product. It shall be
Terminal boxes and switches in intrinsically safe circuits can be assumed to
A basic electronic wrist watch is an example of a low voltage,
EPD or any Ex compliance report has a significant impact for Hazop / FMEA meetings. In process safety related meetings, the Ex equipment compliance should always be questioned.
#exprofessional
ATEX – expected failure – HAZOP – deviation leading to an event…
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What is your word for hazardous area compliance – explosion protection with
I have tried a little to get a look at what happened
Ambient temperature range Ex manufacturers apply -20°C to + 40°C as a
concept to allow design, assessment and testing of electrical equipment that cannot
All we have to listen to all around. Questions sure we have
Glossary • Approved Bodies – A conformity assessment body which has been
Many thanks to all following the posts at exprofessional.com. We do hope
…on the basis of a given methodology with at least the following
Hazardous area industries do require full compliance to explosion protection. In any