Federal

Cat Islands

Cat Islands

Scope

Michels built 4.3 miles of stone dike ranging from 4 to 8 feet high on the Green Bay lake bed to reconstruct the Cat Islands Chain. Additionally, Michels crews also built a 275-foot mooring facility and were responsible for building the dike to exact specifications for height, width and shape. Building the mooring facility required sheets and pilings to get drilled into the lake bed.

Michels recreated the chain by essentially building a curvy stone dike with three cells created by six legs of core stone and armor stone extending off the main dike. About 800,000 tons of dense base and 300,000 tons of armor stone, provided by Michels, were used to build the dike.

The bays will be used as dredged material disposal facilities with 20 years of capacity for sediments from the upper portion of Green Bay's navigation channel. When filled, the bays will eventually become the three islands that are expected to foster vegetation and habitat for fish and wildlife. Michels completed this project three years ahead of the contractual completion date schedule.


  • Michels built 4.3 miles of stone dike ranging from 4 to 8 feet high on the Green Bay lake bed to reconstruct the Cat Islands Chain.
  • Michels crews also built a 275-foot barge and ship mooring facility and were responsible for building the dike to exact specifications for height, width and shape.
  • Building the mooring facility required sheets and pilings to get drilled into the lake bed.
  • When filled, the bays will eventually become the three islands and are expected to foster vegetation and habitat for fish and wildlife.

Projects

Michels performed revetments for various homeowners along the western coast of Lake Michigan in Illinois.

Marine Construction

Lake Michigan Revetments

Illinois

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Lake Michigan Revetments

Michels rebuilt 1,250 feet of the South Breakwater of Sheboygan Harbor.

Marine Construction

South Breakwall Repair

Wisconsin

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South Breakwall Repair

Michels worked from land and from barges to remove 800 feet of deteriorating timber and concrete seawall along the Kewaunee River in Harbor Park before replacing it with 800 feet of anchored steel sheet pile bulkhead.

Marine Construction

Kewaunee Dockwall and Harbor Improvement

Wisconsin

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Kewaunee Dockwall and Harbor Improvement

Michels repaired and replaced 8 tainter gates and 9 existing concrete piers at the Kaukauna Dam. The dam was last rebuilt almost 90 years ago, and was severely deteriorating.

Marine Construction

Kaukauna Dam Tainter Gate Replacement

Wisconsin

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Kaukauna Dam Tainter Gate Replacement

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