BTT & CoHE Updates 10 March 2026 Release
Deep Dive Webinar 17 March, 09.00 / 14:30 (CEST)
GWO Training Development
Thomas Redmond Training Project Manager
Peter Wiingaard Training Project Manager
GWO
GWO
Industry SMEs
Jared Click
Ian Balmforth
Training Manager
Global Head of LV Hazardous Energies Offshore Wind Siemens Energy
Takkion
Agenda
Updated Standards in Release Control of Hazardous Energies
– CoHE V5
Submit Questions using the Q&A function in Zoom
Basic Technical Training Installation
– BTT V11
Supporting Resources Support information • FAQs • Change Logs •
GWO Technical Bulletin V1.1
Deep Dive Sessions •
CoHE & BTT – 17 March, 09.00 (CEST); and 17 March, 14.30 (CEST)
Updated Standards in Release
Control of Hazardous Energies ( CoHE ) V5
Overview of Changes
Merging of Initial and Refresher Standards
Changes
CoHE & CoHE Refresher
published in one standard
Impact
Each ‘Module’ now includes initial training & refresher training under different sections No impact on approvals or course codes No change to audit requirements
Benefits
Improved accessibility one location Reduced documentation
: Training content is easier to find in
: Fewer overall Standard documents
to manage Maintains modular approach
: Preserves the structured,
module -based training framework Updated terminology
: Clearer distinction between modules
and training types throughout the standard
Control of Hazardous Energies ( CoHE ) V5
Changes: CoHE Standard reduced to 2 modules Electrical Safety Initial Training (ES) & Refresher Training (ES -R) Module Pressure Fluids Initial Training (PFS) & Refresher Training (PFS -R) Module Durations reduced for initial training Aligned to NFPA70E and others Basic Safety ( BaSC ) content moved to BTT, new module is BTT Hazardous Energies Basic Safety (HEBS) Basic Safety Refresher ( BaSC -R) removed completely from GWO Standards
Control of Hazardous Energies ( CoHE ) V5
Impact Electrical Safety Initial Training (ES) duration reduced to 8 Pressure Fluids Initial Training (PFS) duration reduced to 5.5 Hazardous Energies Basic Safety (HEBS) duration reduced to 2
hrs
hrs
hrs for participant groups with
valid BTTM, BTTE, BTTH Information on impact to certifications and legacy records is detailed in GWO Technical Bulletin V1.1 This will be covered in the deep dive session, where all questions will be answered related to certifications, audits and legacy records
Benefits Removes repetition of basic technical safety content covered in BTTM, BTTE, BTTH
As a BTT module, Hazardous Energies Basic Safety (HEBS) provides an enduring training record Attending and refreshing CoHE Electrical Safety and Pressure Fluids Safety training is easier
Changes to CoHE Modules
Module
New Duration
Reduced from
BTT Hazardous Energies Basic Safety
2 hours after BTTM, BTTE, BTTH (4 hours standalone)
4 hours 10 mins 10 hours 45 min
CoHE Electrical Safety - Initial Training
8 hours 4 hours
CoHE Electrical Safety - Refresher Training CoHE Pressure Fluid Safety - Initial Training CoHE Pressure Fluid Safety - Refresher Training
No change
5 hours 30 mins
7 hours
2 hours 20 minutes
No change
BTT Hazardous Energies Basic Safety (HEBS)
Enduring Validity
Refresher 2 yearly
CoHE Basic Safety (BaSC)
CoHE Pressure Fluids Safety
CoHE Pressure Fluids Safety
Refresher 2 yearly
CoHE Electrical Safety
Refresher 2 yearly
CoHE Electrical Safety
Refresher 2 yearly
Refresher 2 yearly
BTT Hazardous Energies Basic Safety (HEBS)
BTT Hazardous Energies Basic Safety (HEBS ) 4-hour standalone training on basic technical safety significant overlap with BTTM/BTTE/BTTH
Mechanical Safety 30 minutes 4.1 Why mechanical safety? 4.2 Mechanical safety signs 4.3 The importance of appropriate isolation
Electrical safety 60 minutes 5.1 Why electrical safety? 5.2 Low/high voltage 5.3 PE and GFCI/RCD 5.4 Stored energy 5.5 Static electricity 5.6 Electrical safety signs 5.7 The importance of appropriate isolation
Hydraulic Safety 30 minutes 6.1 Pressure fluid safety 6.2 Stored energy 6.3 Safety signs 6.4 The importance of appropriate isolation
CoHE / LOTO Awareness – 120 minutes Control of hazardous energies basic safety
2.1 CoHE in the wind industry 2.2 CoHE roles in the wind industry 2.3 Basic PPE and Housekeeping 2.4 Protections 2.5 Emergency stop buttons in a WTG 3.1 Lockout-Tagout in the wind industry 3.2 Lockout-Tagout roles in the wind industry 3.3 Lockout-Tagout process 7.1 Hazardous energy scenario 7.2 Response to an electrical incident 7.3 Hydraulic oil injections
Lockout-Tagout for an Ordinary Person
Hazardous energy scenario
Integration to BTT with no duplication of training
Updated BTT Standard includes BTT Hazardous Energies Basic Safety
With BTTM, BTTE, BTTH complete only 2 hours of unique content is required
• 4 hour standalone HEBS module
Control of hazardous energies basic safety
2.1 CoHE in the wind industry 2.2 CoHE roles in the wind industry 2.3 Basic PPE and Housekeeping 2.4 Protections 2.5 Emergency stop buttons in a WTG 3.1 Lockout-Tagout in the wind industry 3.2 Lockout-Tagout roles in the wind industry 3.3 Lockout-Tagout process 7.1 Hazardous energy scenario 7.2 Response to an electrical incident 7.3 Hydraulic oil injections
30m
BTTM
• BTTM, BTTE, BTTH cover the same safety topics in more depth
• Participants with BTTM, BTTE, BTTH only require 2 hours unique content
Lockout-Tagout for an Ordinary Person
30m
BTTE
• 40-hour training week allows delivery of: • BTT Mechanical (BTTE)
Hazardous energy scenario
45m
• BTT Electrical (BTTE) • BTT Hydraulic (BTTH)
BTTH
• BTT Bolt Tightening (BTTB) • BTT HEBS (2 hour version)
Total time for unique content
120m
COHE Electrical Safety
CoHE Electrical Safety V4
CoHE Electrical Safety V5
Lesson 1 - Introduction to the Training Lesson 2 - Responsibilities & role of a QEP Lesson 3 - Electrical PPE Lesson 4 - Electrical safe working practises Lesson 5 - Electrically safe working conditions Lesson 6 - Testing and isolation Lesson 7 - Stored energy Lesson 8 - Hazardous electrical safety scenarios Lesson 9 - Training review
• Lesson 1 - Introduction to the Training • Lesson 2 - Responsibilities & role of a QEP • Lesson 3 - Establishing an Electrically Safe Working Condition • Lesson 4 - Testing and Isolation as a Qualified Electrical Person • Lesson 5 - CoHE in task-based scenarios • Lesson 6 - Training review
COHE Pressure Fluids Safety
CoHE Pressure Fluids Safety V4
CoHE Pressure Fluids Safety V5
• Lesson 1 - Introduction to the training • Lesson 2 - Qualified Pressure Fluids Person - Requirements and Role • Lesson 3 - Pressure fluid hazards • Lesson 4 - PPE • Lesson 5 - Safe work practices • Lesson 6 - Response to pressure fluid incidents • Lesson 7 - Hazardous pressure fluid scenarios • Lesson 8 - Training Review
• Lesson 1 - Introduction to the training • Lesson 2 - Qualified Pressure Fluids Person Requirements and Role • Lesson 3 - Safe work practices with Pressure Fluids • Lesson 4 - Response to pressure fluid incidents • Lesson 5 - Hazardous pressure fluid scenarios • Lesson 6 - Training Review
Human Factors
https://toolbox.energyinst.org/
Engage participants 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.
COHE refresher assessment activities
CoHE Support Guidance and References
Alignment References
• EN 50110 - 1:2013 - Operation of Electrical Installations • EN ISO 4413:2010: Hydraulic fluid power - General rules and safety requirements for systems and their components • OSHA 29 CFR: o 1910.147 - The control of hazardous energy (lockout/tagout) o 1910.269(d) - Hazardous energy control (lockout/tagout) procedures o 1910.269(m) - Deenergizing lines and equipment for employee protection o 1926.416/417 - Electrical: General requirements / Lockout and tagging of circuits • NFPA 70E: Standard for Electrical Safety in the Workplace
• G+ / SafetyOn: Wind Turbine Safety Rules (WTSR), 4th Edition – Energy Institute
Technical Bulletin V1.1
Technical Bulletin V1.1
Technical Bulletin V1.1
Technical Bulletin V1.1
Basic Technical Training (BTT) V11
Overview of Changes
Basic Technical Training (BTT) V11
Changes BTTI module split into two new modules • BTT Installation Mechanical • BTT Installation Electrical BTTI module is retired Elements overlapping with other modules removed Legacy BTTI record holders will be awarded
the new BTTI -M & BTTI -E records BTTI certified training providers gain approval for both modules
Basic Technical Training (BTT) V11
Impact New timings for standalone (1 day / 1.5 day) Combined delivery of BTTI -M & BTTI -E will equal delivery of former BTTI Modules better aligned for granular installation job roles Benefits Combined BTT Installation -Electrical and BTT-Installation Mechanical eligible for delivery in two full days BTT-Installation Electrical can be taken without prerequisites No extra auditing required compared to current requirement for BTTI
Prerequisites & Duration
Impact on existing certificates issued for the BTTI
Modules
Impact on existing Training Records
Combined audit - Extension of scope
Instructor Requirements
Combined Delivery
Breakdown of standard
Breakdown of standard
BTT Module Prerequisites
Analysis of BTT training durations after BTTI and BASC updates
BTTM: Mechanical BTTE: Electrical BTTH: Hydraulics BTTB: Bolt
BTTI-M: Installation - Mechanical BTTI-E: Installation - Electrical
BTTI- M&E
BTTM BTTE BTTH BTTB
HEBS
630 605 555 540 960 240
Module duration minutes:
HEBS: Hazardous Energies Basic Safety
Prerequisites:
Notes on delivery options
- BTTI-M standalone: 480 mins - BTTI-E standalone: 745 mins - BTTI-M&E combined: 960 mins - HEBS: 120 mins (if BTTM, BTTE, BTTH complete)
- BTTB requires BTTM - BTTI-M requires BTTM & BTTB - BTTI-M&E requires BTTM & BTTB
BTT without HEBS BTT with HEBS
Example training profiles:
Mins Hours Days Mins Hours Days
*for multiple module delivery Lesson 1 is reduced by 15 minutes
BTTM BTTE BTTH
120 1790 29.8 3.7 1865 31.1 3.9
Entry Level Technician
BTTM BTTE BTTH BTTB
120 2330 38.8 4.9 2390 39.8 5.0
Entry Level Technician + Bolting
BTTM
BTTH
240 1185 19.8 2.5 1335 22.3 2.8
Mechanical / Hydraulic Technician
BTTM
BTTB BTTI-M 240 1650 27.5 3.4 1815 30.3 3.8
Mechanical / Bolting Installer
BTTE
BTTI-E 240 1350 22.5 2.8 1500 25.0 3.1
Electrical Installer (including BTTE)
BTTI- M+E
BTTM BTTE BTTH BTTB
120 3290 54.8 6.9 3335 55.6 6.9
All BTT Modules
Support for Updates
• FAQs • Change Logs • GWO Technical Bulletin V1.1
Access the Standards & FAQs on the GWO Website
Improvements to the standards to support TPs
Supporting stakeholders with implementation of changes
Deep Dive Sessions CoHE & BTT
Submit Questions using the Q&A function in Zoom
March 17 th 09.00 & 14.30 (CEST)
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