Roen Salvage Company
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Dockwall Improvements | Hallett Dock Company | Duluth, Minnesota

Corrosion Protection

In 2015, Roen Salvage Company rehabilitated 1,200 feet of severely corroded steel sheet pile wall at Hallett Dock #5 using Acotec’s Humidur coating and DZI mobile cofferdam.  Over 12,000 square feet of corroded sheet pile wall was covered with pre-coated steel plates.  The voids between the protection plates and the existing piling were filled with stud-reinforced cement grout and sealed with marine epoxy grout.  Additionally, 1,200 feet of new timber fenders were installed.  The project was completed in 5 weeks, well ahead of schedule.

Sheet Pile Seawall Construction

In 2013-14, Roen Salvage Company constructed 900 feet of new steel sheet pile dockwall at Hallett Dock #5 in front of an existing unstable timber wall with a concrete cap. The concrete cap was re-purposed as a wale for the new steel dockwall. This wale was tied back using earth anchors installed by Terra. Voids between the old and new wall were filled with concrete and new bollards were installed. The new sheet piles were pre-coated with anti-corrosive paint to avoid what happened to the existing sheet piles.

Letter of Commendation

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Roen Salvage Company • 180 E Redwood St • PO Box 26 • Sturgeon Bay, WI 54235 • (920)743-6533 • info@roensalvage.com
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