1 Table of contents 143

GWO CoHE Training Standard (Draft)V0

1 List of Abbreviations		5
2 Terms and definitions		6
3 CoHE roles and responsibilities		10
3.1 Basic Safety CoHE Module		10
3.2 Electrical Safety Module		11
3.3 Pressure Fluid Safety Module		11
4 Reference list		12
5 Change log – Revision x		13
6 Scope		14
7 General Requirement to GWO CoHE Modules		15
7.1 Overview		15
7.2 Target groups		15
7.3 Aims and objectives		16
7.4 Duration of GWO CoHE Modules		16
7.5 Course Codes		17
7.6 Participant prerequisites for the GWO CoHE Training Standard		17
7.7 Physical demands		17
8 General Resources Required to deliver GWO CoHE modules		19
8.1 Instructor/Participant Ratio		19
8.2 Training facilities		19
8.3 Training Staff		19
8.4 Equipment		19
9 Understanding GWO Learning Objectives and Taxonomy		20
9.1 Learning objectives		20
9.2 The GWO Taxonomy Framework		21
9.3 Summing up on the learning objectives		22
10 Administration and Certification of Modules		23
10.1 Participant Performance Assessment		23
11 Module 1 -Basic Safety CoHE Module		25
11.1 Aims and objectives of the Basic Safety CoHE Module		25
11.2 Duration of the Basic Safety CoHE Module		25
11.3 Instructor to Participant Ratio		25
11.4 Basic safety CoHE Module Timetable		26
11.5 Detailed description of the Basic Safety CoHE Module		27
Lesson 1 - Introduction		27
ELEMENT 1.1 - safety instructions and emergency procedures		28
ELEMENT 1.2 - Facilities		28
ELEMENT 1.3 - Introduction		28
ELEMENT 1.4 - Aim and objectives		29
ELEMENT 1.5 - Ongoing Assessments		29
ELEMENT 1.6 - Motivation		30
ELEMENT 1.7 - Human Factors		30
Lesson 2 - Control of hazardous energies basic safety		32
ELEMENT 2.1 - CoHE in the wind industry		32
ELEMENT 2.2 - CoHE roles in the wind industry		34
ELEMENT 2.3 - Basic ppe		36
ELEMENT 2.4 - Protections		37
ELEMENT 2.5 - Emergency stop buttons in a WTG		38
Lesson 3 - Lockout-Tagout for an Ordinary Person		39
ELEMENT 3.1 - Lockout-Tagout in the wind industry		39
ELEMENT 3.2 - Lockout-Tagout roles in the wind industry		41
ELEMENT 3.3 - Lockout-Tagout process		42
Lesson 4 - Mechanical safety		45
ELEMENT 4.1 - Why mechanical safety		45
ELEMENT 4.2 - Mechanical Safety signs		47
ELEMENT 4.3 - The importance of appropriate isolation		48
Lesson 5 - Electrical safety		49
ELEMENT 5.1 - Why electrical safety		49
ELEMENT 5.2 - Low / high voltage		51
ELEMENT 5.3 - PE and gfci / rcd		52
ELEMENT 5.4 - Static electricity		54
ELEMENT 5.5 - Electrical Safety signs		55
ELEMENT 5.6 - The importance of appropriate isolation		56
ELEMENT 5.7 - Response to an electrical incident		56
Lesson 6 - Pressure Fluid safety		58
ELEMENT 6.1 - Pressure Fluid safety		58
ELEMENT 6.2 - Hydraulic oil injections		60
ELEMENT 6.3 - Safety signs		61
ELEMENT 6.4 - The importance of appropriate isolation		62
Lesson 7 - Hazardous Energy scenario		62
Lesson 8 - Training review		63
ELEMENT 8.1 - Training review		63
ELEMENT 8.2 - Feedback session		64
12 MODULE 2 -Electrical Safety Module		66
12.1 Aims and objectives of the Electrical Safety Module		66
12.2 Duration of the Electrical Safety		66
12.3 Electrical Safety Module - Instructor to Participant Ratio		66
12.4 Equipment for Electrical Safety Module		67
12.5 Electrical Safety Module Timetable		67
12.6 Detailed description of the Electrical Safety Module		69
Lesson 1 - Introduction		69
ELEMENT 1.1 - Safety instructions and emergency procedures		69
ELEMENT 1.2 - Facilities		69
ELEMENT 1.3 - Introduction		70
ELEMENT 1.4 - Aim and objectives		70
ELEMENT 1.5 - Ongoing assessments		71
ELEMENT 1.6 - Motivation		71
ELEMENT 1.7 - Human factors		71
Lesson 2 - Reponsibilities and role of a Qualified Electrical Person		73
ELEMENT 2.1 - Role and respoinibilities of an Qualified Electrical Person		73
Lesson 3 - Electrical PPE		75
ELEMENT 3.1 - Electrical PPE		75
Lesson 4 - Electrical safe working practices		77
ELEMENT 4.1 - Working in accordance with an approved work instruction		77
ELEMENT 4.2 - Working in accordance with the correct revision of electrical diagrams		77
ELEMENT 4.3 - Minimum Electrical PPE and Removing prohibited articles		78
ELEMENT 4.4 - Exposed energised electrical conductors and circuit parts		79
ELEMENT 4.5 - Approach boundaries		80
ELEMENT 4.6 - Tools		84
ELEMENT 4.7 - Alertness		85
ELEMENT 4.8 - Blind reaching		85
ELEMENT 4.9 - Illumination		86
ELEMENT 4.10 - Alerting Techniques		87
ELEMENT 4.11 - Body positioning		87
ELEMENT 4.12 - Job briefing/pre-task briefing		88
ELEMENT 4.13 - Cabinets enclosures		89
ELEMENT 4.14 - Housekeeping		90
ELEMENT 4.15 - Deranged equipment		91
ELEMENT 4.16 - Re-energising breakers after a sudden, unexpected trip		93
ELEMENT 4.17 - Guards and covers		93
ELEMENT 4.18 - Infrared inspections		94
ELEMENT 4.19 - Arc flash		94
Lesson 5 - Electrically safe work condition		96
ELEMENT 5.1 - Treating all electrical equipment as live until an electrically safe work condition has been established		96
ELEMENT 5.2 - When to establish an electrically safe work condition		97
ELEMENT 5.3 - How to Establish an electrically safe work condition		98
Lesson 6 - Testing and isolation		99
ELEMENT 6.1 - Electrical MEASUREMENT EQUIPMENT		99
ELEMENT 6.2 - 3-point test method to prove the absence of voltage		102
ELEMENT 6.3 - Isolation of electrical equipment		103
Lesson 7 - Stored energy		103
ELEMENT 7.1 - Hazards related to batteries and capacitors		104
ELEMENT 7.2 - Task-based training for handling batteries and capacitors in a safe manner		105
Lesson 8 - Hazardous electrical safety scenarios		106
Lesson 9 - Training review		108
ELEMENT 9.1 - Training review		109
ELEMENT 9.2 - Feedback session		109
13 Module 3 – Pressure Fluid Safety Module		111
13.1 Aims and objectives of the Pressure Fluid Safety Module		111
13.2 Duration of the Pressure Fluid Safety Module		111
13.3 Pressure Fluid Safety Module - Instructor to Participant Ratio		111
13.4 Equipment for Pressure Fluid Safety Module		112
13.5 Pressure Fluid Safety Module Timetable		112
13.6 Detailed description of the Pressure Fluid Safety Module		113
Lesson 1 - Introducton		114
ELEMENT 1.1 - Safety instrutions and emergency procedures		114
ELEMENT 1.2 - Facilities		114
ELEMENT 1.3 - Introduction		115
ELEMENT 1.4 - Scope and main learning objectives		115
ELEMENT 1.5 - Ongoing assessments (participants assessment form)		115
ELEMENT 1.6 - Motivation		116
ELEMENT 1.7 - Human factors		116
Lesson 2 - Qualified Pressure Fluids Person -requirements and role		118
ELEMENT 2.1 - Role and responsibilities of a Qualified Pressure Fluids Person		118
Lesson 3 - Pressure fluid hazards		119
ELEMENT 3.1 - Hazards of fluids under pressure		120
ELEMENT 3.2 - Trapped pressure and stored energy in a pressure system		121
ELEMENT 3.3 - Circumstances in which oil injection is possible into the human body		122
ELEMENT 3.4 - High temperature fluids in pressure systems		122
ELEMENT 3.5 - Hazards with taking an oil sample		123
ELEMENT 3.6 - Hazards related to pre-charging an accumulator		124
ELEMENT 3.7 - Stored energy hazards related to pre-charge pressure in an accumulator		124
Lesson 4 - PPE		125
ELEMENT 4.1 - Hydraulic fluids and fluids under pressure ppe		125
Lesson 5 - Safe work practices		127
ELEMENT 5.1 - Work instructions		127
ELEMENT 5.2 - Pre-task briefing (Also known as toolbox talks)		128
ELEMENT 5.3 - Pre-use check on pressure fluid test equpment and hoses		129
ELEMENT 5.4 - Test of the absence of pressure		130
ELEMENT 5.5 - Safe isolation and safe dissipation of pressure in a pressure system		131
ELEMENT 5.6 - Component replacement in pressure systems		132
ELEMENT 5.7 - Searching for leaks in a pressurized system safely		133
Lesson 6 - Response to pressure fluid incidents		134
Lesson 7 - Hazardous pressure fluid scenarios		136
Lesson 8 - Training Review		137
ELEMENT 8.1 - Training review		137
ELEMENT 8.2 - Feedback session		138
ANNEX 1 - Equipment List		140
1. Basic safety CoHE Module		141
2. Electrical Safety Module		142
3. Pressure Fluid Safety module		143

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