Tunneling

Conduit 16 launch and receiving shafts

Conduit 16 launch and receiving shafts

Scope

Michels constructed secant compression ring launch and receiving shafts for a microtunneling project. The launch shaft was comprised of 46 intersecting 1-meter diameter secant piles drilled to a depth of 54 feet. The receiving shaft was comprised of 38 intersecting 1-meter diameter piles drilled to a depth of 52 feet. The project required a shoring system below the water table in extremely permeable soil to allow Michels tunneling team to use the shafts to bore a tunnel under railroad tracks. The secant piles were drilled into a dry clay stone to seal off all water concerns. Because the secant piles are interlocked and tip out in dry clay stone, the tunneling work was completed in a dry environment.

Projects

Michels built caissons and installed H-pipes for the Torrence Avenue Bridge along the Grand Calumet River.

Deep Foundations

IDOT Torrence Avenue

Illinois

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IDOT Torrence Avenue

Michels installed 400 LF of sheet piling and 992 pipe piles to support construction in downtown Milwaukee.

Deep Foundations

Fiserv Forum

Wisconsin

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Fiserv Forum

Michels built 458 secant piles and 100 caissons in 90 days for a 10-story, 600,000-square-foot building on the site of the new McDonald's corporate headquarters.

Deep Foundations

110 N Carpenter

Illinois

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110 N Carpenter

Michels installed 53 caissons in Massachusetts.

Deep Foundations

Cabot Tap Line Rebuild

Massachusetts

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Cabot Tap Line Rebuild

Michels was selected as the foundations contractor for a caissons and earth retention system project.

Deep Foundations

State and Huron

Illinois

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State and Huron

Michels installed 36 transmission line caisson foundations that were between 6-7 feet in diameter and 30 feet deep in hard rock conditions.

Deep Foundations

W175 Transmission Line

Massachusetts

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W175 Transmission Line

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