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$10M contract awarded for ACM casting

Published April 13, 2020
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IN THE PHOTO, this photo highlights the casting process that occurs during the contract. Work on this contract is expected to begin within the next few months and will continue into the summer and early fall.

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IN THE PHOTO, Memphis District Contract Specialist Kirk Middleton gives a "thumbs up" as he provides notice to the successful contractor for the contract award.

The Memphis District U.S. Army Corps of Engineers recently awarded a $10 million contract for articulated concrete mattress (ACM) casting at Richardson Landing Casting Field to Mississippi Limestone Corporation from Friars Point, Mississippi.

ACM is described as a sort of concrete carpet that is laid on the bottom of the Mississippi River to form a protective overcoat. This overcoat then provides shielding from erosion and sloughing caused by channel currents and turbulent water associated with river flood stages.

This contract is vital to the Mississippi River Channel Improvement Program as the casted concrete squares of ACM are supplied to the Corps’ Mat Sinking Unit for placement at various locations along the Mississippi River.

This part of the revetment program aims to promote a safe and reliable navigation channel. It also plays a role in flood risk management in the Mississippi River and Tributaries (MR&T) system.

This contract was awarded on time despite the ongoing logistical challenges associated with the COVID-19 pandemic and employees having to work remotely from home.