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Phase Two Contract Awarded for New Soo Lock Project

Trade West Construction continues the deepening of the Upstream Channel for the New Lock at the Soo in Sault Ste. Marie, Michigan. Deepening is the first phase of the new lock project and will be completed in the fall 2021. (Photo: Michelle Briggs)

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The second phase construction contract for the New Lock at the Soo has been awarded to Kokosing Alberici LLC of Westerville, Ohio, U.S. Army Corps of Engineers officials announced Thursday.

The much-anticipated mega-project will require three phases of construction. Kokosing Alberici's $111 million contract to complete the second phase will stabilize the existing approach walls, allowing modern vessels to tie up and wait their turn to pass through the new lock. Construction will begin in spring 2021 and take about two years to complete.

"The Corps looks forward to beginning construction on the upstream approach walls next spring, and we continue to work hard to maintain the pace and meet all milestones in bringing our nation's New Lock at the Soo to fruition," said Detroit District Commander Lt. Col. Scott Katalenich.

The Soo Locks are situated on the St. Marys River at Sault Ste. Marie, Mich. and allow vessels to transit the 21-foot elevation change at the St. Marys Falls Canal. Over 85% of commodity tonnage through the Soo Locks is restricted by vessel size to the Poe Lock. This new lock project will construct a second Poe-sized lock (110' by 1,200') on the existing decommissioned Davis and Sabin locks site.

A 2015 Department of Homeland Security study on impacts of an unexpected Soo Locks closure show the Soo Locks are nationally critical infrastructure. This Great Lakes Navigation System critical node is essential to U.S. manufacturing and National Security according to the study.

The project's first phase to deepen the upstream channel was awarded to Trade West Construction and began this summer with expected completion by November 2021. The first phase contractor's focus began with deepening the eastern area of the decommissioned Sabin Lock's north channel so Kokosing Alberici can begin work immediately in that area during the spring 2021 construction season.

"It is so important that we stay on track as work areas for the three phases do overlap and construction needs to be accomplished in a certain order," said New Lock Project Manager Mollie Mahoney. "Awarding the phase two contract right on schedule sets the clock for phase three work to begin on time in 2022."

The project's third phase, which involves constructing the new lock chamber, is still in the design phase and expected to be advertised for bid in spring 2021.

Sep 24, 2020

 

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