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  • Expert trainers from the field
  • Intensive cooperation with education
  • Flexible delivery: anywhere, anytime
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GWO Working at Heights Herhaling (WAH-R)

The GWO Working at Heights Refresher is a practical course designed to refresh participants’ knowledge and skills for working safely at height within the wind energy industry. The training focuses on the correct use of personal protective equipment (PPE), fall protection systems, emergency procedures, and basic rescue techniques.

Course duration: 1 day
Locations: Groningen, Vlissingen
Cost per student: € 399,00 (excl. BTW)

Questions or need help? Send an email or call 0031 118 463382

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About this course

GWO Working At Heights Refresher

Introduction
During this refresher course, participants learn how to work safely at height in and around wind turbines. The training combines theory with practical exercises, covering the use of harnesses, fall arrest systems, work positioning systems, and rescue equipment. Emphasis is placed on risk awareness, safe behavior, and effective action in emergency situations.

Objective
The aim of the GWO Working at Heights Refresher is to renew and reinforce previously acquired knowledge and skills. Upon completion, participants will be able to correctly use personal protective equipment, apply fall protection systems, identify workplace hazards, and perform emergency and rescue procedures safely and effectively in a wind turbine environment.

Target group
This course is intended for personnel working or preparing to work in the wind energy industry or related sectors who need to renew their GWO Working at Heights certificate.

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Practical info

Entry requirements

  • Participants must be physically fit to complete all practical exercises
  • Maximum body weight: 120 kilograms due to the use of personal protective equipment
  • Participants must not suffer from vertigo
  • Any medication use must be reported at the time of booking
  • If medication use poses a limitation, the booking will be cancelled free of charge

Certification
Upon successful completion and assessment, participants receive an officially recognized GWO Working at Heights certificate. The course is based on the GWO Working at Heights module and complies with international standards set by the Global Wind Organisation.

Validity
The certificate is valid for two years.
After this period, a half-day refresher course must be completed to maintain validity.

Practical information
Duration: 1 day
Class hours: 08:30 – 17:00
Participants: Minimum 4, maximum 12
Accreditation: Approved by the Global Wind Organisation (GWO) – www.globalwindsafety.org
Pricing: The prices listed on the website apply to the current calendar year and are adjusted annually.

WINDA registration
All participants must register in WINDA prior to attending the GWO Working at Heights Refresher. Registration is mandatory for anyone working in the wind energy sector.
After registration, a WINDA ID will be issued and must be provided upon booking.
Upon certification, DRTC will link the obtained certificates to the participant’s personal WINDA account.

https://winda.globalwindsafety.org

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Day 1 - Safe Work and Rescue at Height

This refresher course combines all key elements of safe working and rescue at height into one intensive day. Participants review fall risks, the inspection and use of personal protective equipment, and fall arrest systems. Practical exercises include realistic rescue and evacuation scenarios focused on teamwork, communication, and responsibility. The day concludes with an evaluation and WINDA registration.

What's on the program?

  • Day 1 - Safe Work and Rescue at Height

High-quality facilities that make a difference

With the best resources and facilities at our disposal, we are able to offer training and courses of the highest quality.

Bekijk alle faciliteiten Onze locaties
Classrooms

Theory and practice under one roof

Classrooms

The perfect environment for theory sessions, preparation, and evaluation of practical training.

Canteen

Enjoy a good meal and relax during your training days

Canteen

Provided by SEC Catering – your break moment with quality food and excellent service during training days.

Working at Height Tower

Safe working at height training in accordance with GWO standards

Working at Height Tower

Training in safe working, rescue, and evacuation at height in accordance with GWO standards.

Classrooms

Theory and practice under one roof

Classrooms

Our classrooms form the foundation of all our training programs. Here, participants prepare with theoretical knowledge, interactive presentations, and clear instructions before moving on to the practical sessions. The rooms are modern, well-equipped, and provide a calm, professional learning environment.

What makes the classrooms unique is their direct connection to our training facilities. This allows theory to be applied immediately in practice, ensuring an optimal learning experience for every participant.

Who is it for

The classrooms are used by all participants in maritime, offshore, and industrial training programs. Whether for short briefings or multi-day courses, they serve as both the starting point and the place for reflection and debriefing.

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What you’ll experience

Under the guidance of experienced instructors, you’ll take part in:

  • Theoretical instruction and presentations

  • Preparation for practical exercises

  • Safety briefings and procedural training

  • Interactive discussions and group assignments

  • Evaluation and debriefing of practical training sessions

  • Testing and certification

The classrooms are equipped with modern audiovisual tools and can be configured flexibly for both small groups and larger sessions.

For your organization

Would you like to combine customized or in-company training with both theory and practice?
Contact us — together we’ll design a program that aligns perfectly with your learning objectives.

Canteen

Enjoy a good meal and relax during your training days

Canteen

The Canteen is your place to unwind — enjoy good food, a pleasant atmosphere, and the opportunity to share experiences. Catering is provided by SEC Catering, a regional company from Zeeland known for its fresh, flavorful dishes and flexible service.

Who is it for

Everyone participating in our training programs — from trainees and instructors to guests — is welcome in the Canteen to take a break, hold a meeting, or simply enjoy a meal.

Kantine

What you’ll experience

  • Fresh, locally sourced dishes provided by SEC Catering

  • Options for lunch, snacks, and drinks

  • Comfortable seating areas to relax between training sessions

  • An informal meeting space to share experiences and connect with others

For your organization

Would you like your training day to be fully catered, including food and drinks?
Let us know your preferences — together with SEC Catering, we’ll arrange everything from the menu to the timing.

Working at Height Tower

Safe working at height training in accordance with GWO standards

Working at Height Tower

The Working at Height Tower has been specifically designed for training participants in safe working, rescue, and evacuation techniques at height. The tower is widely used for GWO (Global Wind Organisation) courses, such as Working at Heights, and also provides training opportunities for offshore, maritime, and industrial scenarios.

What makes this tower unique is its versatility: participants can practice fall protection, climbing and descent techniques, as well as rescue and evacuation procedures. With multiple platforms and training stations, the tower is suitable for both basic and advanced levels.

Who is it for?

The Working at Height Tower is used by wind industry teams, offshore and maritime personnel, industrial technicians, and emergency responders who need to work safely at height or on elevated installations.

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What You’ll Practice

Under the guidance of experienced instructors, participants will learn to:

  • Use personal fall protection equipment correctly (harness, lines, and anchor points)

  • Apply climbing techniques and work safely at height

  • Perform rescue and evacuation of colleagues in emergency situations

  • Operate lifting and descent systems

  • Follow emergency procedures in case of a fall incident

  • Work together and communicate effectively during height-related operations

All exercises are conducted under strict safety protocols and fully aligned with the international standards of the Global Wind Organisation (GWO).

For Your Organization

Would you like your team to train according to GWO standards or follow customized height safety scenarios?
Contact us — we’ll develop a program tailored to your sector and safety objectives.

Our instructors

The people behind the training.

Our experienced trainers challenge you to bring out the best in yourself. Our program coordinators are available to provide you with all information and to answer any practical questions regarding the training.

Ruud Kathagen
Maritime Instructor
Bas Gloudemans
Managing Director
Maarten Janse
Senior Maritime Instructor

Frequently asked questions

DRTC provides a wide range of accredited safety courses for the maritime, offshore, wind and industrial sectors.

  • STCW – including Basic Training, Advanced Fire Fighting, Proficiency in Survival Craft (PSCRB/FRB), Medical First Aid, Medical Care and Security Awareness.
  • GWO – Basic Safety Training (BST) and individual modules such as Working at Height, First Aid, Fire Awareness, Manual Handling, Sea Survival and Enhanced First Aid.
  • NOGEPA – Basic Offshore Safety, Helicopter Underwater Escape (HUET), Sea Survival, Fire-fighting and specialised refresher courses.
  • BHV/First Aid/VCA – Basic and refresher courses in Emergency Response, First Aid and Safety Certification for all sectors.

See the current course overview on our website or contact drtc@drtc.nl for advice on the right training for your needs.

For (future) wind technicians, HSE staff, and support personnel working onshore or offshore in the wind energy industry.

We offer the full Basic Safety Training (BST) and individual modules such as Working at Height, First Aid, Fire Awareness, Manual Handling, and Sea Survival. Refresher courses and Enhanced First Aid are also available.

GWO certificates are valid for 24 months. Be sure to complete your refresher course before expiry.

Basic fitness is required. Depending on your employer’s policy, a maritime or offshore medical examination may be mandatory.

Bring valid identification, any required medical certificate, sports or swimwear, and a towel for pool sessions. All PPE and safety equipment are provided by DRTC.

Courses are conducted in Dutch or English. We can provide support for participants with dyslexia or reading difficulties; please inform us in advance.

At our own training locations or, where permitted, in-company.

You will receive your certificate immediately at the end of the training. We will upload your certification details to the WINDA database.

Depending on the module, you may need to retake the basic or an additional module. Contact us for the correct procedure. Call us at +31 118 463 382 or send an email to drtc@drtc.nl

Yes, we offer refresher modules for many of our courses. The validity of certificates depends on the standard and course.

For some courses, you can choose VAT exemption. This means the training will be invoiced without 21% VAT. The exemption applies only to recognised vocational training programmes that fall under official supervision by organisations such as ILT, OPITO, GWO, or NOGEPA.

Choose VAT exemption if you are taking the course for professional purposes or as a private individual without VAT deduction rights.
Choose including VAT if you are booking on behalf of a company that can reclaim VAT from the Dutch Tax and Customs Administration.

Your invoice will then state:
“Exempt from VAT under Article 11, paragraph 1, section o of the Dutch VAT Act 1968.”

You can cancel your booking by contacting us via email or phone. For open enrolment courses you may cancel free of charge up to 5 working days before the start. For customised training you may cancel free of charge up to 14 working days before the start. If you cancel within those deadlines the full course fee will be invoiced.

Visit our ‘Frequently Asked Questions’ page for more information, or contact us at +31 118 463 382 or email drtc@drtc.nl.