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Lock Rehabilitation: Executing Major Rehab on an Existing Lock in 105 Days

Posted by Brady Wateland, Project Manager on March 18, 2021

80 years old and 35 years since its last rehab, LaGrange Lock and Dam in Versailles, IL was in major need of rehabilitation. Brennan partnered with prime contractor Shimmick Construction (Shimmick) and the U.S. Army Corps of Engineers (USACE) Rock Island District, along with hundreds of crew members, to execute quality repairs through the existing lock.

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How We Installed a New Spillway Wall at a Private Hydropower Dam

Posted by Ian Radcliffe on November 16, 2020

102 years of lateral earth pressure and deterioration at Pisgah Dam caused its existing spillway wall to lean. Partnering with private dam owner Otter Tail Power Company, Brennan ensured their hydropower dam received necessary repairs. The project included concrete demolition and the replacement of the dam's north spillway wall over two years.

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Most-Searched Blog Topics of 2019

Posted by Kimberly Walters on January 07, 2020

Brennan blog posts were viewed 13,622 times in 2019. Reviewing our most-searched blog topics helps us construct a list of the marine industry's most critical topics and those most pertinent to our company. So, what were the most-searched topics?

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Cofferdams 101: Different Types and Construction Methods on Waterways

Posted by Dillon Hogan on August 21, 2018

Working around water poses a plethora of challenges. There are always two parts of a water-based project, the above and below water sections. Access to the above water section is easy, however when working below the waterline access is not that easy. One of the more apparent issues is what do you do when the water is in the way of your work? One solution is to build a cofferdam.

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