About Us

We are a small team of hyperbaric specialists bringing safety, innovation and training to pressurised workplaces.

Innovation plus expertise
equals a partner worth trusting

Meet the Pressureworx team

A wealth of knowledge with a world of experience.


Founder and Hyperbaric Consultant

Des is one of Australia’s leading diving and hyperbaric tunnelling trainers with over forty years of practical industry experience.

Des is the founder of Pressureworx . He brings an an impressive mix of international diving and tunnelling experience to the organisation and was fundamental in its national accreditation.

Read more

Work Experience

Founded the Descend Underwater Training Centre  a commercial diving contracting and training company in 1979.

Leading the way in diving contracting and training Descend set many benchmarks including training Police divers from Queensland, Australian Capital Territory and Victoria, running the first commercial diving courses for new dive schools in South Australia and New Zealand and the first non English speaking commercial diver training in Turkey.

As an author

Des has contributed heavily to the Australian Diver Accreditation Scheme (ADAS) standard diving texts, co-authored the FAUI “Dive Master Manual” and “The Porpoise – Australian Diving Technology the World Copied” and produced the standard Risk Assessment now compulsory in all ADAS accredited schools . Des is also the author of The Hyperbaric Tunnel Worker’s Handbook.

Descend won “Best Micro Business” and “Best Small Business” in NSW and “Best Micro Business” in Australia in the 2003 Commonwealth Government Telstra Small Business Awards.

Training and accreditation

Construction industry qualifications include; Rigger, Scaffolder, Dogman, Powderman in Vic, NSW and ACT, Underwater Welding, Coxswain and Certificate 4 in Occupational Health and Safety.

Hyperbaric-related qualifications include; Advanced Diploma in Occupational Diving – Project Management, Diploma in Occupational Diving – Dive Manager, ADAS and Commercial Diving Supervisor Level 3 and Technicians Qualifications System Senior Technician Trainer.

Medical-related qualifications include; Diver Medical Technician, HTNA Hyperbaric Technician grade 1, DAN Oxygen Instructor, First Aid Instructor, Automatic Defibrillator Instructor.

Training-related qualifications include; Diploma of Occupational Diving – Trainer, ADAS Diver Training Assessment Manager, ADAS Tunnel Training Assessment Manager, Certificate 4 in Assessment and Workplace Training, Instructor Trainer with DAN and SSI and OH&S Construction Induction Trainer Assessor.


CEO, Hyperbaric Consultant and lead Trainer

Geoff , is the CEO of Pressureworx taking over the company  in 2016 and now lead Trainer. With a background in electrical mechanics with international experience as a commercial diver, Geoff brings a wealth of knowledge to each training course.

As a commercial diver, Supervisor and Instructor Geoff has been involved in numerous major diving construction and training  projects including the first non-English speaking training courses for commercial divers in Turkey and tunnel training in Thailand.

Read more

Work Experience

Geoff started his working career as an industrial electrical mechanic and formed his own company in 1982 which employed 15 staff and specalisesd in the installation and maintenance of hospital based systems.  Geoff took a backward seat in the electrical business in 2015, selling the electrical business in 2017 to concentrate  on his real passion of diving and hyperbaric training.

Working under the Pressureworx banner as a Hyperbaric Tunnelling Consultant and Trainer, Geoff has be involved in the training of lock operators and hyperbaric workers on the Northern Sewerage Project in Melbourne, the Southern Seawater Desalination Project near Perth in Western Australia, the Victorian Desalination Project at Wonthaggi in Victoria and the Airport Link project in Brisbane, Narrows Marine Crossing in Gladstone Qld, Wheatstone Project WA, MTR 1107 Hong Kong, MTR 1109 Hong Kong, Tuen Mun to Chek Lap Kok tunnel Hong Kong, Idris Inner Doha Re-Sewerage Implementation Strategy in Qatar. Forrestfield Airport Link in WA, North Yarra Main Sewer diversion in Melbourne and West Gate Tunnel Project in Melbourne.

Certification and training

Construction industry qualifications include; Electrician special class, Rigger, Coxswain, confined spaces, working at heights, elevated work platforms, WWC  and OH&S Induction for Construction.

Hyperbaric-related qualifications include; Diploma of Occupational Diving- Supervisor Level 3.

Medical-related qualifications include; Diver Medical Technician, DAN, SSI  and Orca Oxygen Instructor, First Aid Instructor and Automatic Defibrillator Instructor.

Training-related qualifications include; Diploma of Occupational Diving, ADAS Diver Trainer, ADAS Tunnel Trainer, Certificate4 in Assessment and Workplace Training and Instructor with DAN, Orca  and SSI.


We are passionate about safety

Nationally-recognised training

Pressureworx delivers nationally-accredited training under the Australian Diver Accreditation Scheme.

The Australian Diver Accreditation Scheme (ADAS) is the Australian national occupational diver certification scheme. It was developed by the Australian Government as a not-for-profit diver training and accreditation scheme operating at the level of world’s best practice. It is administered on a cost-recovery basis by the ADAS Board under a Memorandum of Understanding with the Commonwealth Department of Resources, Energy and Tourism. Because of this link all ADAS certification cards have the authority to bear the Australian Coat of Arms.

The ADAS diver certification is embedded in the legislation of most states and has world wide credibility and recognition.

Team achievements & awards

ADAS Award for Hyperbaric Excellence 1999
Winner “Best Micro Business in Australia” Commonwealth Government Telstra Business Awards 2003
Honorary life Membership of NSW Volunteer Rescue Association
Wrote the tunnel training program for ADAS and has trained over 500 tunnel workers on 10 separate tunneling projects.
Held the first non-English speaking RPL-EC assessment courses in Turkey.

Our Courses

World-class hyperbaric training, delivered in-house.

ADAS Hyperbaric Worker

This course is designed to meet the needs of tunnel workers who are required to enter the compressed air environment on pressurised tunnel boring machines.

Learn more

ADAS  Lock Operator

The course is designed to be delivered in five eight-hour days and requires the students to have first completed the Hyperbaric Workers Course.

Learn more

Oxygen provision in hyperbaric accidents

A course in the provision of oxygen is a requirement for Lock Operators under Australian Standard AS4774.1, Work in tunnels, shafts and caissons.

Learn more

First Aid Training

A First Aid course directly tailored to include the issues faced by hyperbaric workers.

Learn more

Workplace First Aid

Ferri reque integreMedical Lock

This course is designed to provide participants with training in basic life support and in the first aid management.

Learn more

Basic emergency life support

This course is designed to provide the participants with the skills and knowledge required to recognise and respond to life-threatening emergencies using basic life support only.

Learn more

Hyperbaric tunnel worker’s medical

In order to undertake the Hyperbaric Worker’s Course, all participants must prove their health and fitness in order to complete the course.

Learn more

ADAS Trimix (normoxic)

In response to the fact that tunneling projects are getting deeper, Pressureworx has developed a course designed to train the workers in the safe procedure for using trimix breathing gas and equipment to a pressure of 6.6 bar (g).

Learn more

Our Work

Our Project Portfolio

What the clients say

  • The safest compressed air project in the world.

    - Paul Butler - Executive Director, ADAS -
  • … many Divers and especially Supervisors have valued your experience, knowledge and advice – hopefully taking that learned from you and practiced in their own Operational Areas. I know I have.

    - David M Coulter - Sea Service Diving & Marine -
  • I am beyond impressed by your educational organization and the tunnel boring lock operator.
    I would love to mirror our course with your approved course.

    - Tyler Sexton MD, CHT, DMT - Caribbean Hyperbaric Medicine Medical Director -


Contact us

Don't hesitate to get in touch
We're ready to discuss your project

Error: Please check your entries!


Pressureworx (Head Office)
P.O Box 421 Tatura or
80 Cussen Street Tatura
VIC 3616 Australia

Geoff Mobile:
+61 419 533 518

Des Mobile:
+61 417 298 960