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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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Appreciate Your Dredge Operators: Your Project's Success Depends on Them

Posted by Paul Olander, Senior Project Manager on February 18, 2021

The work of a dredge operator is often underappreciated so it's important to take a step back and appreciate the complexity and uniqueness of his or her role in the success of a dredging project. Here, we take a closer look at the essential role of a dredge operator.

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Brennan Proudly Establishes SBA 8(a) Certified Joint Venture with Ahtna

Posted by Kimberly Walters on February 15, 2021

J.F. Brennan Company (Brennan) formally announces their Small Business Administration (SBA) 8(a) certified joint venture with Ahtna Marine & Construction Company, LLC (AMCC). Publicly titled the Ahtna – J.F. Brennan JV, the partnership establishes a mentor protégé relationship between Brennan and Alaska Native Corporation subsidiary AMCC.

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Brennan Welcomes Specialty Diving Services, Inc. to the Family

Posted by Kimberly Walters on December 21, 2020

LA CROSSE, Wis., December 21, 2020 ― J.F. Brennan Company (Brennan) officially announces the asset acquisition of New England-based Specialty Diving Services, Inc (SDS). The acquisition combines two established union companies that specialize in commercial diving and heavy marine construction.

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Restoring Habitat in the Great Lakes to Save Endangered Species

Posted by Nick Patterson, Regional Project Manager on November 19, 2020

The Interstate Island Avian Habitat Restoration Project is listed as one of the many Areas of Concern (AOC) projects within the Great Lakes. Interstate Island is a small parcel of land located within the Duluth-Superior Harbor along the St. Louis River Estuary. Due to rising water levels, the island has shrunk in size by half in recent years, and along with-it important wildlife habitat has disappeared. The need to restore the rare avian habitat on Interstate Island has been a priority for years, and it came to fruition in 2020.

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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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How to Ace a FERC Hydropower Dam Inspection [NEW]

Posted by Rory Alsberg on September 01, 2020

The Federal Energy Regulatory Commission (FERC) regulates the transmission and wholesale sale of electricity in the United States. An important duty of FERC is to monitor conditions of the more than 1,700 non-federal, electricity-generating dams in the US. They also set standards that hydropower project owners must follow to ensure the safety of the general public. This includes mandating regular inspections of hydropower projects to certify they are in sound condition and comply with the Commission’s safety standards. Owners not in compliance with the Commission’s inspection standards risk losing their power generating license.

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Rural Dam Construction Areas Gain Access to Internet

J.F. Brennan Company, Inc. (Brennan) recently won a contract with AECOM Energy and Construction (AECOM) for remediation work on LaGrange Lock and Dam on the Illinois River. The contract required us to partake in major gate and concrete rehab while supplying wireless internet access not only to our own Brennan office trailers, but also to prime contractor AECOM and the United States Army Corps of Engineers (USACE) for the duration of the multi-year project.

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Dive Inspection Leads to Underwater Dam Repairs in Colorado

Posted by Adam Thorson on March 04, 2020

Through multiple successful projects, J.F. Brennan Company (Brennan) developed a great partnering relationship with the Midwest group of Xcel Energy® (Xcel). From Federal Energy Regulatory Commission (FERC) dive inspections and innovative dam repair projects to the implementation of amphibious equipment and helicopters for transmission line installation, we are always looking at ways of incorporating Brennan’s “can-do” attitude into all client interactions. This year, we got the opportunity to work with Xcel’s Western group.

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Brennan Takes Three Hitachi zx470lc-6 Excavators on the Water

Posted by Kimberly Walters on February 25, 2020

When you think “excavator,” images of digging dirt and rock on land may come to mind. However, that’s not the case for J.F. Brennan Company, Inc. (Brennan), a 100-year-old marine construction contractor out of La Crosse, Wisconsin. 

*adapted with consent from its original format in BREAKOUT Winter 2019: a Hitachi Construction & Mining Productions Publication. 

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