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EEMUA Publication 227 Digital image

2021, Edition 1

ISBN: 978 085931 189 2

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EEMUA Publication 227 Management of ageing electrical assets

Version: Digital/PDF

If you are a user from an EEMUA member company, please log in and download your complimentary digital edition here

A hard copy version is also available.

EEMUA Publication 227 aims to provide a coherent, proactive system for managing certain ageing electrical assets.

Electrical equipment is often designed with a relatively long lifetime (typically 20 years) and the electrical engineer responsible for it has the challenge of ensuring the equipment’s integrity over this period, if not well beyond it. In justifying the continued service of equipment, the engineer has to take commercial (reliability, availability, replacement costs) and safety considerations into account. This is a difficult task, and in addition to general good asset management practice, the electrical engineer requires specific guidance relating to:

• Identifying potential failure mechanisms on ageing electrical assets;
• Methods of detecting early signs of failure mechanisms;
• Ways of calculating remaining expected life of electrical assets;
• Maintenance methods to extend electrical asset life; and
• Demonstrating the benefits of replacing equipment before failures occur.
This publication is focused on six types of electrical equipment that the EEMUA Electrical Committee prioritised as those where additional guidance would be most useful, either due to a lack of other guidance or an increase in incidents related to ageing asset issues. These are: Uninterruptable power supplies and Battery systems; Electrical drives; Electrical protection devices; Power cables; Switchgear (HV and LV); and Transformers. EEMUA 227 also provides general guidance on managing ageing electrical assets.

Non-member price: £148.00

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EEMUA Publication 186 image

2016, Edition 7

ISBN: 978 0 85931 212 7

EEMUA Publication 186 A Practitioner's Handbook for potentially explosive atmospheres 

Version: Print

If you are a user from an EEMUA member company, please log in and download your complimentary digital edition here.

A digital/PDF version is also available.

EEMUA 186 offers guidance for safe installation, inspection and maintenance work in potentially explosive atmospheres when the failure to adopt safe working practices could result in the ignition of flammable gases or combustible dusts. It is concerned with ignition caused by electrical and mechanical sources and is based on the requirements of international and European standards, directives and regulations.

This seventh edition has been further updated to align with the latest versions of the relevant standards, in particular the fifth (2013) editions of IEC 60079-14 and 60079-17. EEMUA 186 interprets the relevant parts of the standards, and brings them together in one clear, understandable and easily navigable resource. The chapters on equipment, installation and inspection have been revised extensively, including EEMUA’s recommendations on barrier gland selection. There are separate chapters on: fuel filling stations; hazardous areas in the water and waste water industries and mechanical ignition sources. Application design engineering and the duties of the Responsible Person as defined in IEC standards are also covered.

Potentially explosive atmospheres occur in many industries, not only in onshore and offshore oil and gas, but also in chemicals, power generation, pharmaceuticals, food and beverages, manufacturing, martime and utilities. Typical sites include petrochemical processing and refining plants, liquor distilleries, paint spraying plants, flour mills, woodworking plants and coal handling plants. 

EEMUA Publication 186 is closely associated with the CompEx® training and competency assessment scheme which provides trainees with essential knowledge and practical skills for safe working in potentially explosive atmospheres.

Here are Amendment 1 and Amendment 2 to EEMUA Publication 186 Edition 7.

EEMUA offers introductory e-learning in the areas of Alarm Systems, Control Rooms, Cyber Security and Functional Safety.

Ex e-learning at the awareness level. 
EEMUA recommends IntroEx, a free to use knowledge and awareness tool from JT Limited, the CompEx Certification Body. It provides users with an overview of some of the basic principles of explosive atmospheres and takes approximately 20 minutes to complete.

Not found what you are looking for? Ask EEMUA

Member price: £83.00

Non-member price: £110.00

EEMUA Publication 231 Digital image

2019, Edition 2

ISBN: 978 0 85931 221 9

EEMUA Publication 231 - The mechanical integrity of plant containing hazardous substances: a guide to periodic examination and testing

Version: Digital/PDF

If you are a user from an EEMUA member company, please log in and download your complimentary digital edition here

A hard copy version is also available.

EEMUA 231 provides guidance and good practice on safely managing the combined hazards of stored energy and dangerous substances through maintaining the integrity of systems and equipment by periodic examination and testing.

The publication is based on the well-established Written Scheme of Examination (WSE) model in the UK Pressure Systems Safety Regulations and associated Approved Code of Practice. As such, EEMUA 231 underpins the approach that integrity management is a matter for the whole plant life cycle. The chapters are listed below:


This second edition of EEMUA 231 adds a new section on leadership, a fundamental aspect of managing health and safety effectively, and provides guidance on the relief streams that protect equipment or systems. EEMUA 231 has been given greater clarity by combining the sections on Reporting of examinations and Post examination integrity assessment. There is also a clearer demarcation between the roles of Integrity Assessor and Competent Person.

EEMUA 231 has been developed and written by EEMUA and the Safety Assessment Federation (SAFed) in consultation with the Health and Safety Executive, together with other interested stakeholders who use such plant, including operators, inspection bodies and providers of specialist services to the process industries. 

The GB Health and Safety Executive (HSE) states in its Foreword to EEMUA 231 that it: 'considers maintenance of the integrity of plant containing hazardous substances to be a fundamental element of good process safety management. To this end, we believe this document provides a sound basis from which to develop arrangements for the management and delivery of periodic examinations aimed at achieving this.'

The guidance and good practice in EEMUA 231 can be applied on site through taking the EEMUA Mechanical Integrity Practitioner Certificate, a blended online learning training course. 

EEMUA 231 provides the foundation for a one day EEMUA training course on mechanical integrity

Need a certificated online introduction or refresher on key aspects of EEMUA 231 such as the postponing of examinations for PSSR and non-PSSR equipment? Then check out the EEMUA 231 Mechanical Integrity e-learning and EEMUA 177 Pressure Systems e-learning training courses.

Non-member price: £0.00

EEMUA Publication 101 Digital image

2013, Edition 2

ISBN: 978 0 85931 195 3

EEMUA Publication 101 Lifting points - a design guide       

Version: Digital/PDF

If you are a user from an EEMUA member company, please log in and download your complimentary digital edition here

The second edition of this EEMUA guide specifies the design, fabrication, preferred types and marking of lifting points on process plant in accordance with European Directive 2006/42/EC on machinery which came into force on 29 June 2006. EEMUA Publication 101 defines the rated load for design purposes applicable to each lifting point and recommends the safe working load for associated lifting gear and applications. It will be found useful in lifting and safe handling during the installation, maintenance and dismantling of plant, including machinery, sub-assemblies, components and equipment.

Non-member price: £49.00

EEMUA Publication 104 Digital image

1985, Edition 1

ISBN: 978 0 85931 040 6

EEMUA Publication 104 Noise: A guide to information required from equipment vendors

Version: Digital/PDF

If you are a user from an EEMUA member company, please log in and download your complimentary digital edition here.  

A brief introduction to noise, for vendors as well as purchasers, and a guide to the information that users may require. Examples of a Preliminary Noise Enquiry and a detailed Noise Specification are included.

Non-member price: £36.00