ASI is proud to be the first Canadian company to provide Hyperbaric Tunneling Support Services to tunneling companies in North America. These services include consultation for all hyperbaric needs including planning, risk assessment, safety and adherence to local regulatory requirements. ASI specializes in hyperbaric intervention support, hyperbaric worker training, equipment maintenance program and servicing of the air-lock and supporting systems.
Our Hyperbaric Tunneling Support team stays on site during various stages of the tunneling project. These highly trained individuals are unique in their abilities. Trained to perform construction, repair and inspection work in physical high pressure environments, the hyperbaric tunneling support team can support your immediate needs to help get your TBM up and running after a breakdown, avoiding further project delays.


ASI has successfully completed over 1,000 hyperbaric interventions.
Hyperbaric intervention services include:
- Planning, management and supervision
- On-site medical support
- On-site hyperbaric support chamber
- TBM air-lock system operation, maintenance, and repair
- Training for tunnel workers
- Equipment and system inspections
- Regulatory and Health & Safety adherence checks
- Pre-project/pre-design procedure consulting

Contact us to learn more about our services
For immediate assistance, please contact our Head Office at the number above.