Master Change Matrix - CoHE

COHE ROLES AND RESPONSIBILITIES

(Safe isolation) Authorised Person (role and responsibilities) A person designated to be in charge of a particular lockout. Examples of responsibilities: • for Lockout-Tagout at the place of work.

Authorised Person A person designated to be in charge of a particular lockout and safe isolation. May be referred to other terms in different regions such as: Authorised Technician (as per the WTSR) / Authorized Employee (as per OHSA) / Isolating Technician / Isolating Turbine Technician (ITT) / Safe Isolation Authorized Person / Responsible Individual Examples of responsibilities: • for Lockout-Tagout at the place of work

COHE ROLES AND RESPONSIBILITIES

• to ensure everyone working under the lockout applied follows the particular rules. • for the use of group locks, personal locks and other Lockout-Tagout equipment. This role has been trained in establishing a safe work condition through the application of Lockout-Tagout practices including:

• to ensure everyone working under the lockout applied follows the particular rules • for the use of group locks, personal locks and other Lockout-Tagout equipment This role has been trained in establishing a safe work condition through the application of Lockout-Tagout practices including:

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• isolating the equipment or system. • attach all locking devices and tags.

• isolating the equipment or system • attach all locking devices and tags

COHE ROLES AND RESPONSIBILITIES

Note The following roles are for general reference and are not fully aligned with any standard or safe system of work. These definitions were made for the sake of creating this global training standard based on the common ground of different recognised standards.

Note The definitions of roles and responsibilities used within the CoHE Training Standard are based on common elements of globally recognised standards and are not aligned to a specific regional standard or safe system of work. They provide a general reference for development of training programmes and training providers should adapt these terms where required during training to align to the relevant terminology applicable in their region.

COHE ROLES AND RESPONSIBILITIES

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3. CHANGE LOG

Record of V4 changes

For detailed descriptions of changes, please see the changelog published on GWO’s website: CoHE V5 Change Log (website link).

CoHE Basic Safety (BASC) and Basic Safety Refresher (BASC-R) module removed from CoHE standard. • CoHE Basic Safety and Basic Safety Refresher module removed leaving two modules within the CoHE standard. References to CoHE Basic Safety / Refresher removed throughout. • Prerequisites updated to reflect BASC module being republished as part GWO BTT standard. Combined Initial and Refresher sections within a single standard. • Initial and Refresher Training now defined as different training courses available under a single Module - terminology referring to modules updated throughout. Number of sections in the standard simplified and numbering updated throughout. • Overall timing for Electrical Safety Initial Training reduced from 10 hours 45 min to 8 hours. • Initial training content updated to reflect a focus on building on the existing basic training and experience of participants and removing extensive time on basic introductory level content. - Basic content on electrical safe working practices and PPE (previously lessons 3 and 4) replaced by review of participants’ existing experience on these topics, combined with the updated lesson 3. - Basic content on stored energy, batteries and capacitors working practices and PPE (previously lessons 7) replaced by review of participants’ existing experience on these topics, practical element combined with the updated lesson 5. • Refresher training content updated to reflect a focus on using existing experience of participants. CoHE Pressure Fluid Safety Initial and Refresher Training Module. • Overall timing for Pressure Fluids Safety Initial Training reduced from 7 hours to 5 hours and 30 minutes.

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• Initial training content updated to reflect a focus on building on the existing basic training and experience of participants and removing extensive time used on basic introductory level content. - Basic content on pressure fluids safe working practices and PPE (previously lessons 3 and 4) replaced by review of participants’ existing experience on these topics, combined with updated lesson 3. • Refresher training content updated to reflect a focus on using existing experience of participants.

4. SCOPE

Numbered as section 6

Numbered as section 4 Removal of content related to CoHE Basic Safety Module.

4. SCOPE

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4. SCOPE

Hazardous energies pose a high risk of injury to all workers working within the wind industry. One of the reasons for this is that hazardous energies are found in various forms within the wind turbine environment and within the environment of a wind farm. This CoHE training standard describes training that complements company, turbine, regional and equipment specific CoHE trainings by providing a common basis for CoHE trainings that are recommended by the members of GWO but does not automatically qualify the participants. These nominations can only be granted according to company specific trainings, rules, and procedures along with national and regional legislation. Lastly, the members of GWO also strongly emphasise that company specific rules and procedures along with national and regional legislation shall always be looked up and followed when working in the wind industry. This is because CoHE rules, procedures and requirements can vary depending on: national and regional legislation; company approach and WTG model. The standard comprises of three modules: 1.CoHE Basic Safety Module 2.CoHE Electrical Safety Module 3.CoHE Pressure Fluid Safety Module Training is verified through GWO’s WINDA database. This standard has been developed in response to the demand for recognisable Control of Hazardous Energies (CoHE) training in the industry and has been prepared in co-operation between the members of GWO based on risk assessments, in-depth descriptions of job roles and tasks relevant to CoHE in the wind industry as well as factual incident and accident statistics from G+ and the wind industry.

Hazardous energies are found in various forms within the wind turbine and the environment of a wind farm, posing a high risk of injury to all workers within the wind industry. The GWO Control of Hazardous Energies (CoHE) standard has been developed in response to the demand for recognisable CoHE training for the wind industry. It has been prepared in co-operation between the members of GWO based on Safe Systems of Work (SSOW), risk assessments, job roles and tasks relevant to CoHE in the wind industry, as well as factual incident and accident statistics from G+ and the wind industry. The GWO CoHE training standard adopts a generic approach to training for work with highly varied regional, company and site-specific regulations, practices and procedures, with significant differences in equipment and ways of working. This training is recommended by the members of GWO to support and underpin progressing to company specific training. Completion of GWO CoHE training provides and maintains participants foundational knowledge, skills and abilities in the safe control of hazardous energies. The training should be supplemented by company specific SSOW training and training specific to the region, site, turbine and equipment-specific training as required. It is always the responsibility of the duty holder to determine if a GWO training is sufficient in relation to the tasks, hazards and risks they expose a GWO trained person to, or if additional training is required. V4 - V5 02.03.26

4. SCOPE

5. GENERAL REQUIREMENTS OF THE COHE TRAINING STANDARD

Numbered as section 7 GENERAL REQUIREMENTS FOR THE GWO COHE MODULES GENERAL REQUIREMENTS FOR THE GWO COHE REFRESHER STANDARD

Numbered as section 5 GENERAL REQUIREMENTS OF THE COHE TRAINING STANDARD Removal of content related to CoHE Basic Safety Module and merging of initial and refresher. Moved the content related to aims of the modules from a 'Note' under target audience to the appropriate section for aims ans objectives.

5. GENERAL REQUIREMENTS OF THE COHE TRAINING STANDARD

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5.1 Overview

7.1 Overview The GWO CoHE Training standard is divided into the following 3 modules: Module 1: CoHE Basic Safety Module 2: CoHE Electrical Safety Module 3: CoHE Pressure Fluid Safety

5.1 Overview The GWO CoHE Training Standard is divided into the following 2 modules:

5.1 Overview

CoHE Electrical Safety - Initial and Refresher Training CoHE Pressure Fluid Safety - Initial and Refresher Training

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(Appears in COHE-R scope section) The standard comprises of three modules: 1. CoHE Basic Safety Refresher 2. CoHE Electrical Safety Refresher 3. CoHE Pressure Fluid Safety Refresher

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5.2 Target Groups

Target Group for the CoHE Basic Safety Module This module is targeted at candidates working in the wind industry where they are exposed to the risk of injury related to hazardous energies.

Target Group for the CoHE Electrical Safety Module The training target group includes workers required to perform isolations and testing for the absence of voltage in accordance with existing documentation on low voltage electrical systems, to be able to safely carry out servicing and planned corrective maintenance or specific tasks like component replacement. This person will enable others to work safely on low voltage electrical systems by establishing an electrically safe work condition as the responsible Qualified Electrical Person (NFPA 70E), Electrical Skilled Person (EN50110) or Authorised Technician (WTSR). Target Group for the CoHE Pressure Fluid Safety Module The training target group includes workers required to perform isolations and testing for the absence of pressure in accordance with existing documentation on pressure fluid systems, to be able to safely carry out servicing and planned corrective maintenance or specific tasks like component replacement. This person will enable others to work safely on pressure fluid systems by establishing a safe work condition as the responsible Qualified Pressure Fluids Person.

5.2 Target Groups

Target Group for the CoHE Electrical Safety Module This module is targeted at candidates whose scope of work will involve performing isolations and testing for the absence of voltage (in accordance with existing documentation) to be able to safely carry out specific tasks like component replacement, servicing and planned corrective maintenance on low voltage1 electrical systems. Additionally, this person will also be responsible for establishing an electrically safe work condition, as e.g. a Qualified Electrical Person (NFPA 70E), Electrical Skilled Person (EN50110), Authorized Technician (WTSR), to enable others to work safely on low voltage electrical systems. Note The GWO CoHE Electrical Safety Module and Pressure Fluid Safety Module are aimed towards improving the candidates´ ability to “work safely” with electricity and fluids under pressure. This means that the two modules are not aimed at improving candidates´ technical knowledge, skills and abilities regarding electricity or pressure fluid systems. Candidates should already possess these technical knowledge, skills, and abilities before attending the modules. Similarly, it is not the intention of the GWO CoHE Standard (or these two modules) to promote the acquisition of advanced knowledge, such as troubleshooting. Target Group for the CoHE Pressure Fluid Safety Module This module is targeted at candidates whose scope of work will involve performing isolations and testing for the absence of pressure (in accordance with existing documentation) to be able to safely carry out specific tasks like component replacement, servicing and planned corrective maintenance on pressure fluid systems. Additionally, this person will also be responsible for establishing a safe work condition to enable others to work safely on pressure fluid systems. Note Candidates, who already possess the intended knowledge, skills, and abilities of the GWO CoHE Standard can apply for merit using the GWO merit process.

( Notes related to course objectives moved to Aims and Objectives section)

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5.2 Target Groups

Target Group for the CoHE Basic Safety Refresher Module This module is targeted at candidates working in the wind industry where they are exposed to the risk of injury related to hazardous energies. Target Group for the Electrical Safety Refresher Module

Combined as above

5.2 Target Groups

This module is targeted at candidates whose scope of work will involve performing isolations and testing for the absence of voltage (in accordance with existing documentation) to be able to safely carry out specific tasks like component replacement, servicing and planned corrective maintenance on low voltage1 electrical systems. Additionally, this person will also be responsible for establishing an electrically safe work condition, as e.g. a Qualified Electrical Person (NFPA 70E), Electrical Skilled Person (EN50110), Authorised Technician (WTSR), to enable others to work safely on low voltage electrical systems. Note The GWO Electrical Safety Refresher Module and Pressure Fluid Safety Refresher Module are aimed towards improving the candidates´ ability to “work safely” with electricity and fluids under pressure. This means that the two modules are not aimed at improving candidates´ technical knowledge, skills and abilities regarding electricity or pressure fluid systems. Candidates should already possess these technical knowledge, skills, and abilities before attending the modules. Similarly, it is not the intention of the GWO CoHE standard (or these two modules) to promote the acquisition of advanced knowledge, such as troubleshooting Target Group for the Pressure Fluid Safety Refresher Module This module is targeted at candidates whose scope of work will involve performing isolations and testing for the absence of pressure (in accordance with existing documentation) to be able to safely carry out specific tasks like component replacement, servicing and planned corrective maintenance on pressure fluid systems. Additionally, this person will also be responsible for establishing a safe work condition to enable others to work safely on pressure fluid systems. Note Candidates, who already possess the intended knowledge, skills, and abilities of the GWO CoHE Refresher Standard can apply for merit using the GWO merit process.

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5.3 Aims and Objectives

CoHE V4 Section 7.3 The GWO CoHE Standard will enable participants to manage the risks related to hazardous energies in the wind industry and act safely when in the vicinity of hazardous energies or when working on systems and equipment containing hazardous energies.

The GWO CoHE training aims to enable participants to manage and control the risks related to hazardous energies in the wind industry and to safely control work when in the vicinity of hazardous energies or when working on systems and equipment containing hazardous energies. The objectives of the CoHE Electrical Safety and Pressure Fluid Safety modules improve and refresh participants´ ability to work safely, to manage and control the risks of electricity and fluids under pressure. Note GWO CoHE 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 training, participants should already possess technical knowledge, skills, and abilities in electricity or pressure fluid systems. Note CoHE Electrical Safety training does not prepare participants to manage or control the risks related to operating high voltage electrical systems or hazardous energies from HV systems. V4 - V5 02.03.26

5.3 Aims and Objectives

CoHE-R V4 Section 7.2 Training in accordance with this GWO CoHE Refresher Standard will enable participants to manage the risks related to hazardous energies in the wind industry and act safely when in the vicinity of hazardous energies or when working on systems and equipment containing hazardous energies.

5.4 Duration of Training

7.4 Duration of the GWO CoHE Standard Modules The total contact time for completing the stand-alone modules in the CoHE standard is 21 hours and 55 minutes. This is based on the times given in the module timetables and summarised in table 7.4 below. The training provider must not exceed the times per day given in table 7.4.1, below.

The total contact time for completing each course as standalone training within the CoHE modules is given in the course timetables and summarised in the table below. The training provider must not exceed the maximum contact time and training day durations as given below.

5.4 Duration of Training

Module - Course Duration CoHE Electrical Safety - Initial Training 8 hours CoHE Electrical Safety - Refresher Training 4 hours CoHE Pressure Fluid Safety - Initial Training 5 hours 30 mins CoHE Pressure Fluid Safety - Refresher Training 2 hours 20 minutes

Modules DuraƟon CoHE Basic Safety Module4 hours 10 minutes CoHE Electrical Safety Module10 hours 45 minutes CoHE Pressure Fluid Safety Module7 hours

If a participant fails to meet the demands of a Control of Hazardous Energy training, they shall attend a new Control of Hazardous Energy training.

(moved content related to failure on the course to Section 7.1 Participant Performance Assessment)

7.3 Duration of the GWO CoHE Refresher Modules The total contact time for completing the stand-alone modules in the CoHE Refresher Standard is 7 hours and 40 minutes. This is based on the times given in the module timetables and summarised in table 7.4.1 below. The training provider must not exceed the time per day given in table 7.4.1 below.

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Modules Duration CoHE Basic Safety Refresher Module 1 hours 20 minutes CoHE Electrical Safety Refresher Module 4 hours CoHE Pressure Fluid Safety Refresher Module 2 hours 20 minutes

If a participant fails to meet the demands of a Control of Hazardous Energy Refresher training, they shall attend a new Control of Hazardous Energy Refresher training.

5.5 Validity Period

CoHE V4 7.5 Validity Period Course/module Training Record Validity (Months) CoHE Basic Safety Module 24 CoHE Electrical Safety Module 24 CoHE Pressure Fluid Safety Module 24 CoHE-R V4 7.4 Validity Period Course/module Training Record Validity (Months)

Course/module Training Record Validity (Months) CoHE Electrical Safety Module 24 CoHE Pressure Fluid Safety Module 24Module - Course Training Record Validity (Months) CoHE Electrical Safety - Initial Training 24 CoHE Electrical Safety - Refresher Training 24 CoHE Pressure Fluid Safety - Initial Training 24 CoHE Pressure Fluid Safety - Refresher Training 24

5.5 Validity Period

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CoHE Basic Safety Refresher 24 CoHE Electrical Safety Module 24 CoHE Pressure Fluid Safety Module 24

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