Ballard Diving & Hyperbaric Services | TBM Tunnel Support Services

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A Division of Ballard Diving & Salvage

Ballard Diving & Hyperbaric Services is a world leader in Tunnel Hyperbaric Support Services and products. BDHs has a reputation for managing highly complex tasks in a cost effective and efficient manner. By providing specialty turnkey solutions to contractor's requiring hyperbaric equipment, personnel and commercial diving services BDHs has become a preferred international provider.

We have experienced supervisory personnel and a full complement of experienced and qualified Compressed Air Workers, Dive Medical Technicians, Hyperbaric Nurses, Hyperbaric Physician Assistants and other specialty personnel. For project consultation, or entire project support BDHs is the right choice.

	Consultation / Site Assessments
	Compressed Air Intervention
	Wet (Slurry) Diving Interventions
	Training & Support
	Specialty Equipment / Tooling

ABOUT US	PROJECTS	NEWS

Portland Oregon: Longest Microtunnel Driven in the United States.

	2012 - Active Project Alaskan Way Viaduct Replacement - SR99

	2011 - Completed Brightwater Conveyance System/Central Contract Tunnel

	2010 Portland East Side CSO / Opera Shaft

	2012 - Active Project Tunnel Emisor Oriente, Mexico City, Mexico

2011 - Active Project
Lake Mead Intake Tunnel - Vegas

March, 2013
World Record Tunnel Boring Machine On Its Way To Seattle

February, 2013
Shaft diving for the Port Mann Water Supply Tunnel, in Vancouver, Canada

June, 2012
NY MAYOR BLOOMBERG HELPS LAUNCH NEW YORK HARBOR SIPHONS PROJECT

June, 2012
Seattle’s Tunnel Project Puts Construction Under Pressure

March, 2012
Cutting Edge 2012 Conference on Pressurized TBM Tunneling

Global Reach.
BDHs, a subsidiary of Ballard Diving & Salvage is a world leader in tunnel hyperbaric support services. Every division of our company is designed around remote service capabilities. We are able to work worldwide and support a variety of customers and all makes of tunnel boring machines. Any time of day, anywhere in the world our support group is ready to provide your needed support.

Emergency Response.
The ideal situation is to begin preparation for hyperbaric support during the design stages of the TBM. We understand that this is not always done or conditions on the site regarding geology types and staffing may change from what was anticipated. From advice in the early stages to rapid deployment of entire intervention teams BDHs has proven that we are the team to call.

• Diving in Bentonite
• Diving In Saturation Conditions
• Equipment Sourcing
• Mixed Gas Diving
• Assistance with Variances
• Shaft Dive Support
• Client Liaison
• Occupational Health and Safety
• Consultation on Airlock System Design
• Training of Client Personnel
• Compressed Air Medical Checks
• Risk Assessment
• Worldwide Rapid Crew Mobilization