APTIM helps protect 30,000 coastal residents with Bayou

BATON ROUGE, La., May 12, 2022 (GLOBE NEWSWIRE) — APTIM, a global leader in waterways and flood control, has helped complete an $80 million floodgate that will protect more than 30,000 residents from flooding of the Atchafalaya River in six coastal areas. parishes of Louisiana. The Bayou Chene Floodgate is the largest of its kind in the world. Its completion marks a long-standing collaboration between APTIM and the Louisiana Coastal Protection and Restoration Authority (CPRA), a collaboration with plans for growth as APTIM moves its headquarters to the Water Campus in Baton Rouge this fall.

Following APTIM’s successful emergency projects in 2016 and 2019, the District of St. Mary Levee (SMLD) retained the company’s services to license and design the Bayou Chene Floodgate Valve. The floodgate, which includes levees in and around Bayou Chene, can be closed to stop backwater flooding that travels northeast from the Atchafalaya River during floods in the Mississippi River system and its tributaries . The project is a CPRA investment using funds from the Gulf of Mexico Energy Security Act and includes sub-consultants T. Baker Smith, Miller Engineers and Associates, and Eustis Engineering Services.

“At APTIM, we are empowered to make a difference, not just to earn a living. The Bayou Chene Floodgate is a testament to the technical ingenuity and hard work of the APTIM team. It is also an expression of our commitment to making communities in our home state more resilient,” said APTIM CEO Mark Fallon.

ACPL and SMLD held a ribbon-cutting ceremony on April 29 for state and local leaders to celebrate the completion of the valve and its impact on the parishes of Sainte-Marie, Terrebonne, Lafourche, Saint-Martin, Assomption and Iberville. CPRA President Chip Kline called the valve a “game changer” for the region, while Governor John Bel Edwards applauded the decades-long effort needed to finalize the permanent structure. SMLD officials expressed their gratitude and highlighted the impact the valve will have on residents, businesses and the environment in their area.

“This area has relied on temporary measures to prevent backwater flooding since the 1970s,” Governor Edwards said. “With the completion of this decades-long effort, the residents of St. Mary and the five surrounding parishes can rest easier knowing they are protected by a permanent flood control structure.”

“The three previous emergency closures have been successful but costly and risky. Now, with the completion of the permanent structure, we can close the Bayou in a timely manner with minimal impact to navigational interests, minimal risk to team members, and minimal environmental impact to the area,” said said Tim Matte, executive director of SMLD.

APTIM has been supporting local levee districts and parishes/counties for over 30 years with the planning, design and construction of levees and flood protection structures. Its team of waterways and flood control specialists offers a full range of flood control, hurricane protection, coastal engineering, science and technology, and port and marine services. With hundreds of employees worldwide, the team ranks among the largest science and engineering groups dedicated to supporting customers in the coastal, marine, mining and energy industries.



APTIM is a global industry leader headquartered in Baton Rouge, Louisiana. With more than 4,000 employees worldwide, APTIM specializes in critical infrastructure, technical and data solutions, program management, environmental services, resilience, sustainability and energy solutions. Our dedicated employees have proven experience and expertise in delivering integrated services and solutions to government agencies, commercial and industrial customers, and energy customers. APTIM is committed to accelerating the transition to a clean and efficient energy economy; building a sustainable future for our communities and our natural world; and creating an inclusive and equitable environment that celebrates the diversity of our people.

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