Ex designer
Who is he / she? First a designer shall be a designer
ECOsystem (Ex Controlled Organization)
All service providers shall be with Ex personnel competency we used to
Let us learn from our history of Ex industries
Sewers explode in Guadalajara, Mexico, killing hundreds Dozens of sewer explosions in
Prevention
Primary – Secondary – Tertiary explosion protection So far we can say
need for speed (and Ex OE)
Ex OE stands for Ex owner’s engineering. it is not a public
risk assessment for Ex areas (what about drones?)
EN 1127-1 shall be the lead (relevant globally). it defines 13 possible
How to make it Ex?
ECOsystem – Ex Controlled Organization
#exprofessional
HAC up-to-date
a cut out from iec 60079 10 1 : 2020 “Once a
Ex v vs Ex p in EU
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.
#exprofessional
Whose best interest is identification of Ex assets?
I am interested, because: I am a hazardous area site owner, operator,
Place of Ex
Where it belongs to? Fire protection… Worksafety… Electrical, mechanical discipline…? Interesting topic
Findings
Ex compliance is about prevention and not any real protection against recent
Ex goes LED
Short summary at the beginning of my blogpost: no more fluroscent light
a bit hidden part of IEC 60079-14
it says: “This standard provides the specific requirements for the design, selection,
Odorization of any combustible gas
A combustible gas in a distribution line must contain a natural odorant
Legal ownership of a standard you work with
You must prove you have it. It means you purchased it. There
Car repair stations are Ex?
Definetely Ex with some pre-cautions. Risk assessment and hazardous area classification shall be first in place.
#exprofessional
Equipment dust ignition protection by enclosure “t” – INTERPRETATION SHEET 1 –
This interpretation sheet has been prepared by IEC technical committee 31: Equipment
SAFETY PLANNING FOR HYDROGEN AND FUEL CELL PROJECTS
H2 units shall be considered as per assembly. All electrical and non.electrical Ex topics shall be taken into account.
#exprofessional
Ex assembly
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.
So just how dangerous is hydrogen fuel?
This article was written back in 2017. When I tell people I
IEC 60079-31:2022 RLV Redline version
Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure “t”
Marmon cans
20 litre fuel cans: old design on the left, 1941 Nirona Wehrmacht
is it manufacturing?
Situation is the following. You are requested to assemble and install: 1)
Algeria goes Ex
💥 ATEX REGULATION ALERT💥🇩🇿 The inspection of ATEX equipment has become mandatory⚖️
Ex asset’s identification
IEC 60079-14 in chapter of Verification Dossier speaks about the ‘ID’ topic
Masterpiece…
…on the other side a good example of iec 60079-26: Examples of
EX vs IEC / EU / GERMANY
Source: LINK Each and every country has it regulated, but might be
Colours
So what about light blue – the recommended colour of Ex i?
Responsibility of the contractor
After the signature of the construction contract, the contractor bears the legal
H2 is a new topic?
Sure not. IIC, IIC (H2), IIB + H2 all have existed for
Explosion protection documentation
According ATEX 137 employer of hazardous area industries shall define the Ex
H2
Sparks or certain radiations can cause a mixture of hydrogen and chlorine
Selection of equipment
In order to select the appropriate electrical (and non.electrical) Ex equipment for
Selection of repaired, second hand or existing equipment
The act of introducing equipment where specifications are not identical to an
What is the basis of IEC 60079-14?
This standard provides the specific requirements for the design, selection, erection and
Guidance on marking requirements for combined Ex electrical/non electrical equipment
The combined marking for equipment which include an electrical part and a
Led in a mobile / tablet supporting camera function?
Is your smartphone or a tablet containing a LED to support a
Reference to IEC TS 60079-46 Explosive atmospheres – Part 46: Equipment Assemblies Edition 1.0
QUESTION: Are there any requirements for an IECEx Certification Body, ExCB, to be
Certification of equipment/assemblies using temperature monitoring/adjustment techniques to adjust internal ambient temperatures
Equipment assemblers and manufacturers have made requests to certify equipment with a
Identification and Marking of Ex Equipment that includes Ex auxiliary equipment and Ex component
Some types of Ex Equipment, such as large electric motors, are provided
CONFORMITY TO TYPE BASED ON QUALITY ASSURANCE OF THE PRODUCTION PROCESS
Under ATEX Directive this is the modul D. On the other hand
Illegalities or non compliance (all related to Ex)
What you do when you experience failures / non compliance /… related
Ex assembly or invidually sourced items?
You are on site, and you do Ex detailed inspection. There are:
Ex type of breathing and draining devices
Breathing and draining devices shall incorporate permeable elements which can withstand the
why mobile phones are banned inside refinery plants (ie petroleum plants?)
Interesting comments have been published back in 2011 – see link It
recent update on non.electrical Ex
Most of EPCs, owners, designers, etc are not aware of it. More
Hydrogen fuelling station safety recommendations
Mitigations which reduce the potential for the formation of a flammable mixture:
Risks arising from software
Reference should be made to the various implementations of EN 61508-3 Functional
Riddle of Ex
1. You have an Ex h certified pump. Level of Ex safety
Process safety and Ex
Relations there are many. Ex is a risk reduction factor for HAZOP.
II 2G Ex ia IIC T6 Gb
“ia” way of Ex protection enables the installation to be installed as
Non electrical Ex refers to…
ISO 80079-36 and -37 stand for non electrical explosion protection and list
Manual
It is mandatory. It shall be with the product. It shall be
Ex i vs T classification
Terminal boxes and switches in intrinsically safe circuits can be assumed to
What about my watch in possible Ex environment?
A basic electronic wrist watch is an example of a low voltage,
Process safety addressing overall Ex compliance
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
Ex (ATEX, IECEx) – HAZOP – SEVESO(?)
ATEX – expected failure – HAZOP – deviation leading to an event…
#exprofessional
New Year’s resolution – welcome to 2021
What is your word for hazardous area compliance – explosion protection with
#beirutblast vs Ex
I have tried a little to get a look at what happened
Hottest day
Ambient temperature range Ex manufacturers apply -20°C to + 40°C as a
special protection “s”
concept to allow design, assessment and testing of electrical equipment that cannot
Corona virus konwledge base for all in our industries and around
All we have to listen to all around. Questions sure we have
BREXIT – no deal – 31.01.2020
Glossary • Approved Bodies – A conformity assessment body which has been
2019/2020
Many thanks to all following the posts at exprofessional.com. We do hope
The explosion protection design section shall be prepared…
…on the basis of a given methodology with at least the following
ComplEx Facility Assessment and Certification (CFAC)
Hazardous area industries do require full compliance to explosion protection. In any