Master Change Matrix - CoHE

Change log - CoHE Pressure Fluid Safety

Section or Lesson Module Title header

Element

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Original text

New version text

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Module Title header

Module 3 - COHE Pressure Fluid Safety

COHE PRESSURE FLUID SAFETY - INITIAL TRAINING

V4 - V5

02.03.26

10.1 Aims and Objectives of CoHE Pressure Fluid Safety Initial Training

The aim of GWO’s CoHE Pressure Fluid Safety training module is to enable the participants to support and care for themselves and others while working with and in the vicinity of pressure fluids in the wind industry and to perform assigned tasks safely and efficiently. Upon successful completion of GWO’s CoHE Pressure Fluid Safety Module, the participants will be able to reduce the associated risks to and work safely with pressure fluid tasks in the wind industry by being able to select the correct and required PPE for working with hydraulic fluids and fluids under pressure, using safe work practices and establishing a safe work condition when working with and in the vicinity of pressure fluids in the wind industry.

The aim of the GWO CoHE Pressure Fluid Safety Initial Training is to enable the participants to manage and control the risks related to hazardous pressure fluids in the wind industry and to safely control work when in the vicinity of hazardous pressure fluids or when working on systems and equipment containing hazardous pressure fluids. This training prepares participants to act safely, support and care for themselves and others, while working in the vicinity of hydraulic fluids and fluids under pressure in the wind industry and to perform assigned pressure fluids work tasks safely and efficiently in the role of a Qualified Person V4 - V5 02.03.26

10.1 Aims and Objectives of CoHE Pressure Fluid Safety Initial Training

Note The GWO CoHE Pressure Fluid Safety Module is aimed towards improving the participants´ ability to “work safely” with pressure fluids. This means that the CoHE Pressure Fluid Safety Module is not aimed at improving candidates´ technical knowledge, skills, and abilities regarding pressure fluids. Participants should already possess these technical knowledge, skills, and abilities before attending the module. Similarly, it is not the intention of the GWO CoHE standard to promote the acquisition of advanced knowledge, such as troubleshooting. Note:

The training is not aimed at improving technical capabilities regarding electricity or pressure fluid systems or the acquisition of advanced knowledge, such as troubleshooting. Before attending CoHE training participants should already possess technical knowledge, skills, and abilities in electrical or pressure fluid systems. V4 - V5 02.03.26

10.2 Duration of CoHE Pressure Fluid Safety Initial Training

7 hours / 420 mins

5 hours 30 minutes / 330 mins

V4 - V5

02.03.26

10.2 Duration of CoHE Pressure Fluid Safety Initial Training

The order in which elements of this module are delivered may vary according to the didactical choices of the delivering training provider.

The order that lessons and elements are delivered may be varied according to the lesson plans prepared by the training provider.

V4 - V5

02.03.26

10.3 Instructor to Participant Ratio for CoHE Pressure Fluid Safety Initial Training

The table below shows the maximum number of participants permitted (per instructor) in an instructor-led training for the Pressure Fluid Safety Module: Module Instructor to Participant Ratio CoHE Pressure Fluid Safety Module 1:8

The ratio shown for theory sessions indicates the maximum number of participants allowed to attend the course. Practical ratios indicate the maximum number of participants to be supervised at any time by an instructor during each practical activity. Module - Course Session Instructor-Participant ratio CoHE Pressure Fluid Safety - Initial Training

V4 - V5

02.03.26

Theory 1:12 Practical 1:6

10.5 Timetable for CoHE Pressure Fluid Safety Initial Training

The order in which elements of this module are delivered may vary according to the didactical choices of the delivering training provider. The delivery of this module must comply with the requirements described in the GWO Requirements for Training.

The order that lessons and elements are delivered may be varied according to the lesson plans prepared by the training provider. The delivery of this training must comply with the requirements described in the GWO Requirements for Training.

V4 - V5

02.03.26

10.5 Timetable for CoHE Pressure Fluid Safety Initial Training

Previous timings and lessons summarised in table Lesson 1 - Introduction to the training - 20 min Lesson 2 - Qualified Pressure Fluids Person - Requirements and Role - 30 min Lesson 3 - Pressure fluid hazards = 75 min Lesson 4 - PPE = 30 min Lesson 5 - Safe work practices - 90 min

As per new 5 hour 30 minute timetable Lesson 1 - Introduction to the training - 20 min Lesson 2 - Qualified Pressure Fluids Person Requirements and Role - 30 min Lesson 3 - Safe Work Practices with Pressure Fluids - 105 min

Lesson 4 - Response to pressure fluid incidents - 40 min Lesson 5 - Hazardous pressure fluid scenarios - 120 min Lesson 6 - Training Review - 10 min GRAND TOTAL 330 min.

V4 - V5

02.03.26

Lesson 6 - Response to pressure fluid incidents - 45 min Lesson 7 - Hazardous pressure fluid scenarios - 120 min Lesson 8 - Training Review - 10 min GRAND TOTAL 420 min.

Lesson 1 - Introduction to the training Lesson 1 - Introduction to the training

Note The administrative part of the registration should be carried out before the module begins.

Removed note

V4 - V5

02.03.26

30 min duration

20 minute duration

V4 - V5

02.03.26

LESSON 1 - INTRODUCTION TO THE TRAINING ELEMENT 1.4 - SCOPE AND MAIN LEARNING OBJECTIVES

Note: Please visit https://toolbox.energyinst.org/ for scenarios, incident lessons and safety information shared by global energy companies

Note: For incident lessons and safety information shared by global energy companies, as inspiration in scenario development, please visit - https://toolbox.energyinst.org/

V4 - V5

02.03.26

Lesson 1 - Introduction to the training ELEMENT 1.7 - HUMAN FACTORS

Learning objectives: 10)The parƟcipants can discuss the relevant human factors, and explain the implicaƟons of these (Knowledge, intermediate level) 11)The parƟcipants can show interest and willingness to focus on human factors during the following pracƟcal exercises (Ability, basic level)

Learning objectives: 10) The participants can discuss the relevant human factors, and explain the implications of these (Knowledge, intermediate level) 11) The participants can show interest and willingness to focus on human factors during the following practical exercises (Ability, basic level) 12) The participants can take initiative from lessons of past incidents to improve safe work practices (Ability, intermediate level)

V4 - V5

02.03.26

Lesson 1 - Introduction to the training ELEMENT 1.7 - HUMAN FACTORS

n/a

Note Throughout this training in all lessons the instructor should ensure a holistic integration of human factors where relevant. For incident lessons and safety information shared by global energy companies, as inspiration in scenario development, please visit - https://toolbox.energyinst.org/

The instructor shall: 1.7.1Engage parƟcipants in an open and honest discussion on workplace safety and personal responsibility, linked to stories about the impact on individuals who decided to "have a go" as opposed to working within the SSOW. Key points to challenge parƟcipants on: a.Why do they think we need a safe system of work? b.Is the SSOW in place to safeguard teams, demonstrate compliance or saƟsfy customer expectaƟon? Is it there to protect you and what you provide for your loved ones? c.How could you or your coworkers be impacted by an incident? Will financial compensaƟon resolve that? d.If an incident occurs, how do you prove you have performed your role correctly? e.Explain that adhering to a SSOW creates an audit trail of evidence to illustrate your professional behaviour - without that audit trail nothing exists ...it is not what you know...it is what you can prove.

V4 - V5

02.03.26

LESSON 2 - QUALIFIED PRESSURE FLUIDS PERSON REQUIREMENTS AND ROLE

LESSON 2 - QUALIFIED PRESSURE FLUIDS PERSON REQUIREMENTS AND ROLE ELEMENT 2.1 - ROLE AND RESPONSIBILITIES OF A QUALIFIED PRESSURE FLUIDS PERSON

The aim of this lesson is to enable the participants to ensure the safety of other workers by being able to fulfil the requirements and role of a qualified pressure fluids person in the wind industry.

The aim of this lesson is to prepare participants to fulfil the responsibilities and role of a qualified pressure fluids person by ensuring the safety of themselves others working pressure fluids in the wind industry

V4 - V5

02.03.26

ELEMENT 2.1 - ROLE AND RESPONSIBILITIES OF A QUALIFIED PRESSURE FLUIDS PERSON

2.1.3 Facilitate an exercise with examples of different situations or branching scenarios in a WTG environment where the participants have to practise deciding what a Qualified Pressure Fluids Person should do in the given situation: a. for example, what can a Qualified Pressure Fluids Person do compared to a “ordinary person” in these situations? (e.g., supervising an ordinary person or establishing a safe working condition for others to work within. For examples of more responsibilities, please refer to section 3.3 Pressure Fluid Safety Module and the role of a Qualified Pressure Fluid Person) and, b. what are the reasons for these role boundaries? 2.1.3 Note Please emphasise that participants should always comply with company specific rules and procedures along with national and regional legislation. This means that the answers to the situations or scenarios could change depending on regional/company/WTG model rules Note

Facilitate an exercise with examples of different situations or branching scenarios in a WTG environment where the participants have to practise deciding what a Qualified Pressure Fluids Person should do in the given situation: a. e.g. establishing a safe working condition for others to work within or supervising an Ordinary Person. (refer to CoHE Roles and Responsibilities in Section 2 for more examples) b. what can a Qualified Pressure Fluids Person do compared to a “ordinary person” in these situations? c. what are the reasons for these role boundaries?

V4 - V5

02.03.26

ELEMENT 2.1 - ROLE AND RESPONSIBILITIES OF A QUALIFIED PRESSURE FLUIDS PERSON

Participants must always comply with company specific rules and procedures along with national and regional legislation. This means that the answers to the situations or scenarios could change depending on region/company/safety rules/WTG model.

V4 - V5

02.03.26

(V4) Lesson 3 - Pressure fluid hazards

V4 content - 75 minutes 3.1 Hazards of fluids under pressure 3.2 Trapped pressure and stored energy in a pressure system 3.3 Circumstances in which oil injection is possible into the human body 3.4 High temperature fluids in pressure systems 3.5 Hazards with taking an oil sample 3.6 Hazards related to pre-charging an accumulator 3.7 Stored energy hazards related to pre-charge pressure in an accumulator

moved to new Lesson 3 - Safe Work Practices with Pressure Fluids Lesson content and 75 minutes time allocation removed, replaced by short discussion of key points

V4 - V5

02.03.26

(V4) Lesson 4 - PPE

V4 content - 30 minutes 4.1 Hydraulic fluids and fluids under pressure PPE

moved to new Lesson 3 - Safe Work Practices with Pressure Fluids Lesson content and 30 minutes time allocation removed, replaced by short discussion of key points

V4 - V5

02.03.26

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS

V4: Lesson 5 - 90 minutes 5.1 Work instructions 5.2 Pre-task briefing 5.3 Pre-use check on pressure fluid test equipment and hoses 5.4 Test for the absence of pressure 5.5 Safe isolation and safe dissipation of pressure in a pressure system

V5 Lesson 3 - 105 minutes Lesson 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS 3.1 Pressure fluid hazards & PPE 3.2 Work instructions 3.3 Pre-task briefing 3.4 Pre-use check on pressure fluid test equipment and hoses 3.5 Test for the absence of pressure 3.6 Safe isolation and safe dissipation of pressure in a pressure system

V4 - V5

02.03.26

5.6 Component replacement in pressure systems 5.7 Searching for leaks in pressurised system safely

3.7 Component replacement in pressure systems 3.8 Searching for leaks in pressurised system safely

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS

The aim of this lesson is to enable the participants to reduce the associated risks to the hazards posed by pressure fluids and thereby reduce the risk of injury for themselves and others working in a WTG environment.

The aim of this lesson is to enable the participants to manage safety and control the associated risks of the hazards posed by pressure fluids by following and using safe work practices.

V4 - V5

02.03.26

After successfully completing this lesson of the Pressure Fluid Safety Module, the participants can: 16) Solve the challenge of how to reduce the associated risks and avoid the hazards of pressure fluids when working in a WTG environment (ability, basic level)

After successfully completing this lesson of the Pressure Fluid Safety Module, the participants can: 17)Act independently to manage safety and control the associated risks of the hazards posed by pressure fluids by following and using safe work pracƟces (Ability, intermediate level)

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS

Note As far as possible, this lesson must be facilitated by the instructor in an interactive and practical way with engagement of the participants. There must also be a minimum of lecturing and the amount of detail in the explanations must be kept to what is required and no more e.g. only covering the listed elements in the pre-task briefing element 5.2 (below) Note

This lesson must be facilitated by the instructor in an interactive and practical way with engagement of the participants. There must also be a minimum of lecturing and the detail of explanations must be limited to what is required only e.g. only covering the listed elements in the pre-task briefing element 3.3 below. V4 - V5 02.03.26

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS ELEMENT 3.1 - PRESSURE FLUID HAZARDS & PPE

n/a - content for this section from old lessons 3, 4 - reduced, moved and combined with lesson 5 content.

Learning objectives: 18) The participants can solve the challenge of how to reduce the associated risks and avoid the hazards of pressure fluids when working in a WTG environment (ability, basic level)

19) The participants can take responsibility for selecting and using appropriate PPE for working with hydraulic fluids (Ability, intermediate level) 20) The participants can take responsibility for selecting and using appropriate PPE for working with fluids under pressure (Ability, intermediate level)

V4 - V5

02.03.26

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS ELEMENT 3.1 - PRESSURE FLUID HAZARDS & PPE

n/a - content for this section from old lessons 3, 4 - reduced, moved and combined with lesson 5 content.

The instructor shall: 3.1.1Facilitate a learning acƟvity such as group discussions about: a.the importance of using pressure fluids safe working pracƟces in relevant work tasks b.the parƟcipants responsibility in ensuring that work is always performed in accordance with the approved working pracƟces c.examples of acƟons to take when there is a lack of safe working pracƟces in place for pressure fluid work 3.1.2Engage the parƟcipants in sharing experiences of how to perform pressure fluid work tasks safely using safe working pracƟces including: a.Hydraulic fluids and fluids under pressure PPE b.Hazards of fluids under pressure c.Trapped pressure and stored energy in a pressure system d.Circumstances in which oil injecƟon is possible into the human body e.High temperature fluids in pressure systems f.Hazards with taking an oil sample g.Hazards related to pre-charging an accumulator h.Stored energy hazards related to pre-charge pressure in an accumulator 3.1.3Challenge parƟcipants to demonstrate in pracƟcal sessions their exisƟng knowledge, skills and abiliƟes in pressure fluids safe working pracƟces and correct PPE use, based on their prerequisite training and work experience The participants shall: 3.1.4Engage in the learning acƟvity and share understandings about: a.how to perform pressure fluid work tasks safely using safe working pracƟces b.the importance of using the safe working pracƟces in their work c.the parƟcipants’ responsibility in ensuring that work is always performed in accordance with the pressure fluid working pracƟces d.examples of acƟons to take when there is a lack of safe working pracƟces in place for pressure fluid work 3.1.5Commit to demonstrate pressure fluids safe working pracƟces and correct PPE use at all Ɵmes during the training

V4 - V5

02.03.26

LESSON 3 - SAFE WORK PRACTICES WITH PRESSURE FLUIDS

V4 content from these elements now appear as lesson 3 - numberings updated without change to objectives or activities LESSON 5 - SAFE WORK PRACTICES ELEMENT 5.1 - WORK INSTRUCTIONS ELEMENT 5.2 - PRE-TASK BRIEFING ELEMENT 5.3 - PRE-USE CHECK ON PRESSURE FLUID TEST EQUIPMENT AND HOSES ELEMENT 5.4 - TEST FOR THE ABSENCE OF PRESSURE ELEMENT 5.5 - SAFE ISOLATION AND SAFE DISSIPATION OF PRESSURE IN A PRESSURE SYSTEM

ELEMENT 3.1 - PRESSURE FLUID HAZARDS & PPE ELEMENT 3.2 - WORK INSTRUCTIONS ELEMENT 3.3 - PRE-TASK BRIEFING ELEMENT 3.4 - PRE-USE CHECK ON PRESSURE FLUID TEST EQUIPMENT AND HOSES ELEMENT 3.5 - TEST FOR THE ABSENCE OF PRESSURE ELEMENT 3.6 - SAFE ISOLATION AND SAFE DISSIPATION OF PRESSURE IN A PRESSURE SYSTEM

V4 - V5

02.03.26

ELEMENT 3.7 - COMPONENT REPLACEMENT IN PRESSURE SYSTEMS ELEMENT 3.8 - SEARCHING FOR LEAKS IN A PRESSURISED SYSTEM SAFELY

ELEMENT 5.6 - COMPONENT REPLACEMENT IN PRESSURE SYSTEMS ELEMENT 5.7 - SEARCHING FOR LEAKS IN A PRESSURISED SYSTEM SAFELY

LESSON 4 - RESPONSE TO PRESSURE FLUID INCIDENTS

V4 content from this lesson now appears as lesson 4 - numberings updated without change to objectives or activities unless noted

The aim of this lesson is to enable the participants to limit the consequences of a pressure fluid incident by being able respond correctly to a pressure fluid incident and immediately seek out specialised medical attention in case of a fluid injection.

LESSON 6 - RESPONSE TO PRESSURE FLUID INCIDENTS The aim of this lesson is to enable the participants to limit the consequences of a pressure fluid incident by being able to act as a responder to a pressure fluid incident and immediately seeking out specialised medical attention in case of a fluid injection.

V4 - V5

02.03.26

LESSON 4 - RESPONSE TO PRESSURE FLUID INCIDENTS LESSON 5 - HAZARDOUS PRESSURE FLUID SCENARIOS

6.1.5 Facilitate practice (through e.g. a challenge or a scenario) for the participants in deciding on the correct actions and how to perform these actions performance when responding to a pressure fluid incident

4,1,5 Facilitate a scenario for the participants to decide on the correct actions when responding to a pressure fluid incident and to practise performing these actions

V4 - V5

02.03.26

The aim of the lesson is to enable the participants to support and care for themselves and others while working with, and in the vicinity of, pressure fluids in the wind industry in a variety of scenarios in wind turbine work environments. To the greatest possible extent the scenarios must challenge participants to take responsibility for work (with or in the vicinity of, pressure fluids) is performed safely.

The aim of the lesson is to enable the participants to support and care for themselves and others while working with, and in the vicinity of, pressure fluids in the wind industry in a variety of scenarios in wind turbine work environments. The scenarios must challenge participants to take responsibility for work being performed safely, with or in the vicinity of pressure fluids. V4 - V5 02.03.26

LESSON 5 - HAZARDOUS PRESSURE FLUID SCENARIOS

V4 Lesson 7 - HAZARDOUS PRESSURE FLUID SCENARIOS After successfully completing this lesson of the CoHE Pressure Fluid Safety Module, the participants can: 54) Act independently in selecting and using safe work practices to reduce the associated risks to the hazards related to working around pressure fluids (Ability, intermediate level) 55) Act independently in treating all pressure systems as pressurised until a safe work condition has been established (Ability, intermediate level) 56) Take responsibility for establishing a safe work condition (Ability, intermediate level) 57) Act independently in following and completing safety documentation such as permits (Ability, intermediate level)

After successfully completing this lesson, the participants can: 39)Take responsibility for establishing a safe work condiƟon on pressure fluids systems (Ability, intermediate level) ELEMENT 5.1 - HAZARDOUS PRESSURE FLUID SCENARIOS Learning objectives: 40) The participants can act independently to select and use safe work practices to reduce the associated risks to the hazards related to working around pressure fluids (Ability, intermediate level) 41) The participants can act independently to treat all pressure systems as pressurised until a safe work condition has been established (Ability, intermediate level) 42) The participants can act independently to follow and complete safety documentation such as permits (Ability, intermediate level) The instrcutor shall: 5.1.1Explain safety procedures in the training area before pracƟcal exercises begin and confirm that all parƟcipants understand 5.1.2Facilitate scenario-based pracƟce related to hydraulics systems (oils under pressure) with varying degrees of complexity and reducing instructor guidance and support, where each parƟcipant must pracƟse and demonstrate establishing and maintaining a safe work condiƟon 5.1.3Ensure as a minimum in scenarios that each parƟcipant shall pracƟse: a-k

The instructor shall: 7.1.1 Explain safety procedures in the training area 7.1.2 Facilitate scenario-based practice where each participant must practise and demonstrate through relevant scenarios related to hydraulics (oils under pressure) with varying degree of complexity and fading instructor guidance and support 7.1.3 Establishing and maintaining a safe work condition. As a minimum each participant shall practise: a-k

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02.03.26

The participants shall 7.1.5 Practise and demonstrate how to establish and maintain a safe work condition 7.1.6 Think on the received feedback and use the feedback to improve their performance

The participants shall 5.1.5PracƟse and demonstrate how to take responsibility for establishing and maintaining a safe work condiƟon in the provided pressure fluids scenarios 5.1.6Reflect on the received feedback and use the feedback to improve their performance in each subsequent scenario

Note Relevant measuring equipment and PPE shall be available and used at all times during the scenario-based training

Note Required measuring equipment and PPE shall be available and used at all times during the scenario-based training

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