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Commercial Diving: Should 4-Person Teams Become the New Norm?

Posted by Steve Pratt on Thu, Sep 19, 2019

Dive teams mobilize every day to complete a broad assortment of tasks utilizing a 3‑person dive team. Historically, this has been the standard not only within Brennan's practices, but for most other inland diving organizations. The Association of Diving Contractors International (ADCI) gives guidance that requires, at a minimum, a 3‑person dive team. While this practice is sufficient in some circumstances; such as non-penetration inspections and wheel jobs (propeller repairs); with our growing scope of work it became apparent that a 4‑person dive crew—adding a standby diver—should be our internal minimum standard moving forward.

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Getting Work Done When Boats Don't Run: Under-Ice Dive Construction and Inspection

Posted by Kimberly Walters on Mon, Apr 8, 2019

Our team withstood one of the most unpredictable winters in recent memory. As we finally head into warmer weather, we reflect on all we were able to accomplish under the ice this past season. The ice may have been thick - really thick - four to five feet thick. But that didn’t stop us from taking on the most demanding under-ice dive projects.

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3 Critical (and Simple) Steps to Prevent Stray Current Corrosion at Barge Terminals

Posted by Dillon Hogan on Tue, Oct 2, 2018

Stray current corrosion is a common threat to water-based steel structures such as barge terminals. Though hard to identify the source, damage from stray current can be prevented by following 3 simple steps.

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Out of Sight, Out of Mind; The Importance of Underwater Inspections

Posted by Dillon Hogan on Tue, Jul 10, 2018

Lock and Dams, bridges, pipeline crossings, and barge terminals are all examples of water-based infrastructure. Ensuring that these structures maintain their integrity is essential to their continued operation, however water-based infrastructure presents an added challenge because a portion of the structure is underwater.

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3 Crucial Steps for Dredging Near Utilities

Posted by Dillon Hogan on Tue, Jan 23, 2018

Dredging around utilities is challenging, and mistakes can be expensive and dangerous. When utilities, such as power lines, natural gas lines or fiber optics, are above ground they can be easily marked, and a plan can be developed to avoid them. However, when these same utilities are underwater, locating them and working around them adds an additional layer of risk for the contractor.

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